diff --git a/crates/benchmarks/benches/indexing.rs b/crates/benchmarks/benches/indexing.rs
index b882b598d..8241da9d2 100644
--- a/crates/benchmarks/benches/indexing.rs
+++ b/crates/benchmarks/benches/indexing.rs
@@ -65,7 +65,7 @@ fn setup_settings<'t>(
     let sortable_fields = sortable_fields.iter().map(|s| s.to_string()).collect();
     builder.set_sortable_fields(sortable_fields);
 
-    builder.execute(|_| (), || false, None).unwrap();
+    builder.execute(|_| (), || false, Default::default()).unwrap();
 }
 
 fn setup_index_with_settings(
@@ -169,6 +169,7 @@ fn indexing_songs_default(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -235,6 +236,7 @@ fn reindexing_songs_default(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -279,6 +281,7 @@ fn reindexing_songs_default(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -347,6 +350,7 @@ fn deleting_songs_in_batches_default(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -423,6 +427,7 @@ fn indexing_songs_in_three_batches_default(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -467,6 +472,7 @@ fn indexing_songs_in_three_batches_default(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -507,6 +513,7 @@ fn indexing_songs_in_three_batches_default(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -574,6 +581,7 @@ fn indexing_songs_without_faceted_numbers(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -640,6 +648,7 @@ fn indexing_songs_without_faceted_fields(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -706,6 +715,7 @@ fn indexing_wiki(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -771,6 +781,7 @@ fn reindexing_wiki(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -815,6 +826,7 @@ fn reindexing_wiki(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -882,6 +894,7 @@ fn deleting_wiki_in_batches_default(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -958,6 +971,7 @@ fn indexing_wiki_in_three_batches(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -1003,6 +1017,7 @@ fn indexing_wiki_in_three_batches(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -1044,6 +1059,7 @@ fn indexing_wiki_in_three_batches(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -1110,6 +1126,7 @@ fn indexing_movies_default(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -1175,6 +1192,7 @@ fn reindexing_movies_default(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -1219,6 +1237,7 @@ fn reindexing_movies_default(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -1286,6 +1305,7 @@ fn deleting_movies_in_batches_default(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -1334,6 +1354,7 @@ fn delete_documents_from_ids(index: Index, document_ids_to_delete: Vec<RoaringBi
             EmbeddingConfigs::default(),
             &|| false,
             &Progress::default(),
+            Default::default(),
         )
         .unwrap();
 
@@ -1398,6 +1419,7 @@ fn indexing_movies_in_three_batches(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -1442,6 +1464,7 @@ fn indexing_movies_in_three_batches(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -1482,6 +1505,7 @@ fn indexing_movies_in_three_batches(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -1571,6 +1595,7 @@ fn indexing_nested_movies_default(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -1661,6 +1686,7 @@ fn deleting_nested_movies_in_batches_default(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -1743,6 +1769,7 @@ fn indexing_nested_movies_without_faceted_fields(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -1809,6 +1836,7 @@ fn indexing_geo(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -1874,6 +1902,7 @@ fn reindexing_geo(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -1918,6 +1947,7 @@ fn reindexing_geo(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
@@ -1985,6 +2015,7 @@ fn deleting_geo_in_batches_default(c: &mut Criterion) {
                     EmbeddingConfigs::default(),
                     &|| false,
                     &Progress::default(),
+                    Default::default(),
                 )
                 .unwrap();
 
diff --git a/crates/benchmarks/benches/utils.rs b/crates/benchmarks/benches/utils.rs
index 913807b45..ca42a9eeb 100644
--- a/crates/benchmarks/benches/utils.rs
+++ b/crates/benchmarks/benches/utils.rs
@@ -90,7 +90,7 @@ pub fn base_setup(conf: &Conf) -> Index {
 
     (conf.configure)(&mut builder);
 
-    builder.execute(|_| (), || false, None).unwrap();
+    builder.execute(|_| (), || false, Default::default()).unwrap();
     wtxn.commit().unwrap();
 
     let config = IndexerConfig::default();
@@ -128,6 +128,7 @@ pub fn base_setup(conf: &Conf) -> Index {
         EmbeddingConfigs::default(),
         &|| false,
         &Progress::default(),
+        Default::default(),
     )
     .unwrap();
 
diff --git a/crates/dump/src/lib.rs b/crates/dump/src/lib.rs
index c48c68f62..b7a35ad5c 100644
--- a/crates/dump/src/lib.rs
+++ b/crates/dump/src/lib.rs
@@ -328,8 +328,8 @@ pub(crate) mod test {
                 progress_trace: Default::default(),
                 write_channel_congestion: None,
                 internal_database_sizes: Default::default(),
-                embeddings: Default::default(),
             },
+            embedder_stats: None,
             enqueued_at: Some(BatchEnqueuedAt {
                 earliest: datetime!(2022-11-11 0:00 UTC),
                 oldest: datetime!(2022-11-11 0:00 UTC),
diff --git a/crates/fuzzers/src/bin/fuzz-indexing.rs b/crates/fuzzers/src/bin/fuzz-indexing.rs
index 4df989b51..23c4cb9c2 100644
--- a/crates/fuzzers/src/bin/fuzz-indexing.rs
+++ b/crates/fuzzers/src/bin/fuzz-indexing.rs
@@ -144,6 +144,7 @@ fn main() {
                                 embedders,
                                 &|| false,
                                 &Progress::default(),
+                                Default::default(),
                             )
                             .unwrap();
 
diff --git a/crates/index-scheduler/src/insta_snapshot.rs b/crates/index-scheduler/src/insta_snapshot.rs
index d01548319..06ec01b5e 100644
--- a/crates/index-scheduler/src/insta_snapshot.rs
+++ b/crates/index-scheduler/src/insta_snapshot.rs
@@ -1,7 +1,7 @@
 use std::collections::BTreeSet;
 use std::fmt::Write;
 
-use meilisearch_types::batches::{Batch, BatchEnqueuedAt, BatchStats};
+use meilisearch_types::batches::{Batch, BatchEmbeddingStats, BatchEnqueuedAt, BatchStats};
 use meilisearch_types::heed::types::{SerdeBincode, SerdeJson, Str};
 use meilisearch_types::heed::{Database, RoTxn};
 use meilisearch_types::milli::{CboRoaringBitmapCodec, RoaringBitmapCodec, BEU32};
@@ -343,6 +343,7 @@ pub fn snapshot_batch(batch: &Batch) -> String {
         uid,
         details,
         stats,
+        embedder_stats,
         started_at,
         finished_at,
         progress: _,
@@ -366,6 +367,7 @@ pub fn snapshot_batch(batch: &Batch) -> String {
     snap.push_str(&format!("uid: {uid}, "));
     snap.push_str(&format!("details: {}, ", serde_json::to_string(details).unwrap()));
     snap.push_str(&format!("stats: {}, ", serde_json::to_string(&stats).unwrap()));
+    snap.push_str(&format!("embedder_stats: {}, ", serde_json::to_string(&embedder_stats).unwrap()));
     snap.push_str(&format!("stop reason: {}, ", serde_json::to_string(&stop_reason).unwrap()));
     snap.push('}');
     snap
diff --git a/crates/index-scheduler/src/queue/batches.rs b/crates/index-scheduler/src/queue/batches.rs
index b5b63e1d7..b14601733 100644
--- a/crates/index-scheduler/src/queue/batches.rs
+++ b/crates/index-scheduler/src/queue/batches.rs
@@ -1,7 +1,7 @@
 use std::collections::HashSet;
 use std::ops::{Bound, RangeBounds};
 
-use meilisearch_types::batches::{Batch, BatchId};
+use meilisearch_types::batches::{Batch, BatchEmbeddingStats, BatchId};
 use meilisearch_types::heed::types::{DecodeIgnore, SerdeBincode, SerdeJson, Str};
 use meilisearch_types::heed::{Database, Env, RoTxn, RwTxn, WithoutTls};
 use meilisearch_types::milli::{CboRoaringBitmapCodec, RoaringBitmapCodec, BEU32};
@@ -92,7 +92,10 @@ impl BatchQueue {
     }
 
     pub(crate) fn get_batch(&self, rtxn: &RoTxn, batch_id: BatchId) -> Result<Option<Batch>> {
-        Ok(self.all_batches.get(rtxn, &batch_id)?)
+        println!("Got batch from db {batch_id:?}");
+        let r = Ok(self.all_batches.get(rtxn, &batch_id)?);
+        println!("Got batch from db => {:?}", r);
+        r
     }
 
     /// Returns the whole set of batches that belongs to this index.
@@ -171,6 +174,8 @@ impl BatchQueue {
     pub(crate) fn write_batch(&self, wtxn: &mut RwTxn, batch: ProcessingBatch) -> Result<()> {
         let old_batch = self.all_batches.get(wtxn, &batch.uid)?;
 
+        println!("Saving batch: {}", batch.embedder_stats.is_some());
+
         self.all_batches.put(
             wtxn,
             &batch.uid,
@@ -179,6 +184,7 @@ impl BatchQueue {
                 progress: None,
                 details: batch.details,
                 stats: batch.stats,
+                embedder_stats: batch.embedder_stats.as_ref().map(|s| BatchEmbeddingStats::from(s.as_ref())),
                 started_at: batch.started_at,
                 finished_at: batch.finished_at,
                 enqueued_at: batch.enqueued_at,
diff --git a/crates/index-scheduler/src/scheduler/process_batch.rs b/crates/index-scheduler/src/scheduler/process_batch.rs
index 71e423a58..4e36b65b6 100644
--- a/crates/index-scheduler/src/scheduler/process_batch.rs
+++ b/crates/index-scheduler/src/scheduler/process_batch.rs
@@ -1,10 +1,11 @@
 use std::collections::{BTreeSet, HashMap, HashSet};
 use std::panic::{catch_unwind, AssertUnwindSafe};
 use std::sync::atomic::Ordering;
+use std::sync::Arc;
 
 use meilisearch_types::batches::{BatchEnqueuedAt, BatchId};
 use meilisearch_types::heed::{RoTxn, RwTxn};
-use meilisearch_types::milli::progress::{Progress, VariableNameStep};
+use meilisearch_types::milli::progress::{EmbedderStats, Progress, VariableNameStep};
 use meilisearch_types::milli::{self, ChannelCongestion};
 use meilisearch_types::tasks::{Details, IndexSwap, Kind, KindWithContent, Status, Task};
 use meilisearch_types::versioning::{VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH};
@@ -163,7 +164,7 @@ impl IndexScheduler {
 
                 let pre_commit_dabases_sizes = index.database_sizes(&index_wtxn)?;
                 let (tasks, congestion) =
-                    self.apply_index_operation(&mut index_wtxn, &index, op, &progress)?;
+                    self.apply_index_operation(&mut index_wtxn, &index, op, &progress, current_batch.clone_embedder_stats())?;
 
                 {
                     progress.update_progress(FinalizingIndexStep::Committing);
@@ -238,11 +239,21 @@ impl IndexScheduler {
                     );
                     builder.set_primary_key(primary_key);
                     let must_stop_processing = self.scheduler.must_stop_processing.clone();
+
+                    let embedder_stats = match current_batch.embedder_stats {
+                        Some(ref stats) => stats.clone(),
+                        None => {
+                            let embedder_stats: Arc<EmbedderStats> = Default::default();
+                            current_batch.embedder_stats = Some(embedder_stats.clone());
+                            embedder_stats
+                        },
+                    };
+
                     builder
                         .execute(
                             |indexing_step| tracing::debug!(update = ?indexing_step),
                             || must_stop_processing.get(),
-                            Some(progress.embedder_stats),
+                            embedder_stats,
                         )
                         .map_err(|e| Error::from_milli(e, Some(index_uid.to_string())))?;
                     index_wtxn.commit()?;
diff --git a/crates/index-scheduler/src/scheduler/process_index_operation.rs b/crates/index-scheduler/src/scheduler/process_index_operation.rs
index 92d13e7e7..b5338e511 100644
--- a/crates/index-scheduler/src/scheduler/process_index_operation.rs
+++ b/crates/index-scheduler/src/scheduler/process_index_operation.rs
@@ -4,7 +4,7 @@ use bumpalo::collections::CollectIn;
 use bumpalo::Bump;
 use meilisearch_types::heed::RwTxn;
 use meilisearch_types::milli::documents::PrimaryKey;
-use meilisearch_types::milli::progress::Progress;
+use meilisearch_types::milli::progress::{EmbedderStats, Progress};
 use meilisearch_types::milli::update::new::indexer::{self, UpdateByFunction};
 use meilisearch_types::milli::update::DocumentAdditionResult;
 use meilisearch_types::milli::{self, ChannelCongestion, Filter};
@@ -26,7 +26,7 @@ impl IndexScheduler {
     /// The list of processed tasks.
     #[tracing::instrument(
         level = "trace",
-        skip(self, index_wtxn, index, progress),
+        skip(self, index_wtxn, index, progress, embedder_stats),
         target = "indexing::scheduler"
     )]
     pub(crate) fn apply_index_operation<'i>(
@@ -35,6 +35,7 @@ impl IndexScheduler {
         index: &'i Index,
         operation: IndexOperation,
         progress: &Progress,
+        embedder_stats: Arc<EmbedderStats>,
     ) -> Result<(Vec<Task>, Option<ChannelCongestion>)> {
         let indexer_alloc = Bump::new();
         let started_processing_at = std::time::Instant::now();
@@ -179,6 +180,7 @@ impl IndexScheduler {
                             embedders,
                             &|| must_stop_processing.get(),
                             progress,
+                            embedder_stats,
                         )
                         .map_err(|e| Error::from_milli(e, Some(index_uid.clone())))?,
                     );
@@ -290,6 +292,7 @@ impl IndexScheduler {
                             embedders,
                             &|| must_stop_processing.get(),
                             progress,
+                            embedder_stats,
                         )
                         .map_err(|err| Error::from_milli(err, Some(index_uid.clone())))?,
                     );
@@ -438,6 +441,7 @@ impl IndexScheduler {
                             embedders,
                             &|| must_stop_processing.get(),
                             progress,
+                            embedder_stats,
                         )
                         .map_err(|err| Error::from_milli(err, Some(index_uid.clone())))?,
                     );
@@ -474,7 +478,7 @@ impl IndexScheduler {
                     .execute(
                         |indexing_step| tracing::debug!(update = ?indexing_step),
                         || must_stop_processing.get(),
-                        Some(Arc::clone(&progress.embedder_stats))
+                        embedder_stats,
                     )
                     .map_err(|err| Error::from_milli(err, Some(index_uid.clone())))?;
 
@@ -494,6 +498,7 @@ impl IndexScheduler {
                         tasks: cleared_tasks,
                     },
                     progress,
+                    embedder_stats.clone(),
                 )?;
 
                 let (settings_tasks, _congestion) = self.apply_index_operation(
@@ -501,6 +506,7 @@ impl IndexScheduler {
                     index,
                     IndexOperation::Settings { index_uid, settings, tasks: settings_tasks },
                     progress,
+                    embedder_stats,
                 )?;
 
                 let mut tasks = settings_tasks;
diff --git a/crates/index-scheduler/src/utils.rs b/crates/index-scheduler/src/utils.rs
index 67e8fc090..22e319580 100644
--- a/crates/index-scheduler/src/utils.rs
+++ b/crates/index-scheduler/src/utils.rs
@@ -2,8 +2,10 @@
 
 use std::collections::{BTreeSet, HashSet};
 use std::ops::Bound;
+use std::sync::Arc;
+use crate::milli::progress::EmbedderStats;
 
-use meilisearch_types::batches::{Batch, BatchEnqueuedAt, BatchId, BatchStats};
+use meilisearch_types::batches::{Batch, BatchEmbeddingStats, BatchEnqueuedAt, BatchId, BatchStats};
 use meilisearch_types::heed::{Database, RoTxn, RwTxn};
 use meilisearch_types::milli::CboRoaringBitmapCodec;
 use meilisearch_types::task_view::DetailsView;
@@ -27,6 +29,7 @@ pub struct ProcessingBatch {
     pub uid: BatchId,
     pub details: DetailsView,
     pub stats: BatchStats,
+    pub embedder_stats: Option<Arc<EmbedderStats>>,
 
     pub statuses: HashSet<Status>,
     pub kinds: HashSet<Kind>,
@@ -48,6 +51,7 @@ impl ProcessingBatch {
             uid,
             details: DetailsView::default(),
             stats: BatchStats::default(),
+            embedder_stats: None,
 
             statuses,
             kinds: HashSet::default(),
@@ -60,6 +64,17 @@ impl ProcessingBatch {
         }
     }
 
+    pub fn clone_embedder_stats(&mut self) -> Arc<EmbedderStats> {
+        match self.embedder_stats {
+            Some(ref stats) => stats.clone(),
+            None => {
+                let embedder_stats: Arc<EmbedderStats> = Default::default();
+                self.embedder_stats = Some(embedder_stats.clone());
+                embedder_stats
+            },
+        }
+    }
+
     /// Update itself with the content of the task and update the batch id in the task.
     pub fn processing<'a>(&mut self, tasks: impl IntoIterator<Item = &'a mut Task>) {
         for task in tasks.into_iter() {
@@ -141,11 +156,13 @@ impl ProcessingBatch {
     }
 
     pub fn to_batch(&self) -> Batch {
+        println!("Converting to batch: {:?}", self.embedder_stats);
         Batch {
             uid: self.uid,
             progress: None,
             details: self.details.clone(),
             stats: self.stats.clone(),
+            embedder_stats: self.embedder_stats.as_ref().map(|s| BatchEmbeddingStats::from(s.as_ref())),
             started_at: self.started_at,
             finished_at: self.finished_at,
             enqueued_at: self.enqueued_at,
diff --git a/crates/meilisearch-types/src/batch_view.rs b/crates/meilisearch-types/src/batch_view.rs
index f0a5f364b..0a9b80f4e 100644
--- a/crates/meilisearch-types/src/batch_view.rs
+++ b/crates/meilisearch-types/src/batch_view.rs
@@ -3,7 +3,7 @@ use serde::Serialize;
 use time::{Duration, OffsetDateTime};
 use utoipa::ToSchema;
 
-use crate::batches::{Batch, BatchId, BatchStats};
+use crate::batches::{Batch, BatchEmbeddingStats, BatchId, BatchStats};
 use crate::task_view::DetailsView;
 use crate::tasks::serialize_duration;
 
@@ -14,7 +14,7 @@ pub struct BatchView {
     pub uid: BatchId,
     pub progress: Option<ProgressView>,
     pub details: DetailsView,
-    pub stats: BatchStats,
+    pub stats: BatchStatsView,
     #[serde(serialize_with = "serialize_duration", default)]
     pub duration: Option<Duration>,
     #[serde(with = "time::serde::rfc3339", default)]
@@ -25,13 +25,26 @@ pub struct BatchView {
     pub batch_strategy: String,
 }
 
+#[derive(Debug, Clone, Serialize, ToSchema)]
+#[serde(rename_all = "camelCase")]
+#[schema(rename_all = "camelCase")]
+pub struct BatchStatsView {
+    #[serde(flatten)]
+    pub stats: BatchStats,
+    #[serde(skip_serializing_if = "BatchEmbeddingStats::skip_serializing")]
+    pub embedder: Option<BatchEmbeddingStats>,
+}
+
 impl BatchView {
     pub fn from_batch(batch: &Batch) -> Self {
         Self {
             uid: batch.uid,
             progress: batch.progress.clone(),
             details: batch.details.clone(),
-            stats: batch.stats.clone(),
+            stats: BatchStatsView {
+                stats: batch.stats.clone(),
+                embedder: batch.embedder_stats.clone(),
+            },
             duration: batch.finished_at.map(|finished_at| finished_at - batch.started_at),
             started_at: batch.started_at,
             finished_at: batch.finished_at,
diff --git a/crates/meilisearch-types/src/batches.rs b/crates/meilisearch-types/src/batches.rs
index 2ef373eac..24be75d1c 100644
--- a/crates/meilisearch-types/src/batches.rs
+++ b/crates/meilisearch-types/src/batches.rs
@@ -1,6 +1,7 @@
 use std::collections::BTreeMap;
+use std::sync::Arc;
 
-use milli::progress::ProgressView;
+use milli::progress::{EmbedderStats, ProgressView};
 use serde::{Deserialize, Serialize};
 use time::OffsetDateTime;
 use utoipa::ToSchema;
@@ -19,6 +20,7 @@ pub struct Batch {
     pub progress: Option<ProgressView>,
     pub details: DetailsView,
     pub stats: BatchStats,
+    pub embedder_stats: Option<BatchEmbeddingStats>,
 
     #[serde(with = "time::serde::rfc3339")]
     pub started_at: OffsetDateTime,
@@ -43,6 +45,7 @@ impl PartialEq for Batch {
             progress,
             details,
             stats,
+            embedder_stats,
             started_at,
             finished_at,
             enqueued_at,
@@ -53,6 +56,7 @@ impl PartialEq for Batch {
             && progress.is_none() == other.progress.is_none()
             && details == &other.details
             && stats == &other.stats
+            && embedder_stats == &other.embedder_stats
             && started_at == &other.started_at
             && finished_at == &other.finished_at
             && enqueued_at == &other.enqueued_at
@@ -82,7 +86,6 @@ pub struct BatchStats {
     pub write_channel_congestion: Option<serde_json::Map<String, serde_json::Value>>,
     #[serde(default, skip_serializing_if = "serde_json::Map::is_empty")]
     pub internal_database_sizes: serde_json::Map<String, serde_json::Value>,
-    pub embeddings: BatchEmbeddingStats
 }
 
 #[derive(Default, Debug, Clone, PartialEq, Eq, Serialize, Deserialize, ToSchema)]
@@ -91,5 +94,26 @@ pub struct BatchStats {
 pub struct BatchEmbeddingStats {
     pub total_count: usize,
     pub error_count: usize,
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub last_error: Option<String>,
 }
+
+impl From<&EmbedderStats> for BatchEmbeddingStats {
+    fn from(stats: &EmbedderStats) -> Self {
+        let errors = stats.errors.read().unwrap();
+        Self {
+            total_count: stats.total_requests.load(std::sync::atomic::Ordering::Relaxed),
+            error_count: errors.1 as usize,
+            last_error: errors.0.clone(),
+        }
+    }
+}
+
+impl BatchEmbeddingStats {
+    pub fn skip_serializing(this: &Option<BatchEmbeddingStats>) -> bool {
+        match this {
+            Some(stats) => stats.total_count == 0 && stats.error_count == 0 && stats.last_error.is_none(),
+            None => true,
+        }
+    }
+}
diff --git a/crates/meilisearch/src/lib.rs b/crates/meilisearch/src/lib.rs
index 782d6172f..72be6aec9 100644
--- a/crates/meilisearch/src/lib.rs
+++ b/crates/meilisearch/src/lib.rs
@@ -37,6 +37,7 @@ use index_scheduler::{IndexScheduler, IndexSchedulerOptions};
 use meilisearch_auth::{open_auth_store_env, AuthController};
 use meilisearch_types::milli::constants::VERSION_MAJOR;
 use meilisearch_types::milli::documents::{DocumentsBatchBuilder, DocumentsBatchReader};
+use meilisearch_types::milli::progress::EmbedderStats;
 use meilisearch_types::milli::update::{
     default_thread_pool_and_threads, IndexDocumentsConfig, IndexDocumentsMethod, IndexerConfig,
 };
@@ -542,8 +543,9 @@ fn import_dump(
         tracing::info!("Importing the settings.");
         let settings = index_reader.settings()?;
         apply_settings_to_builder(&settings, &mut builder);
+        let embedder_stats: Arc<EmbedderStats> = Default::default(); // FIXME: this isn't linked to anything
         builder
-            .execute(|indexing_step| tracing::debug!("update: {:?}", indexing_step), || false, None)?;
+            .execute(|indexing_step| tracing::debug!("update: {:?}", indexing_step), || false, embedder_stats.clone())?;
 
         // 4.3 Import the documents.
         // 4.3.1 We need to recreate the grenad+obkv format accepted by the index.
@@ -574,7 +576,7 @@ fn import_dump(
             },
             |indexing_step| tracing::trace!("update: {:?}", indexing_step),
             || false,
-            None,
+            embedder_stats,
         )?;
 
         let builder = builder.with_embedders(embedders);
diff --git a/crates/meilisearch/tests/vector/rest.rs b/crates/meilisearch/tests/vector/rest.rs
index 82fc71b26..1ff2dd9fe 100644
--- a/crates/meilisearch/tests/vector/rest.rs
+++ b/crates/meilisearch/tests/vector/rest.rs
@@ -4,6 +4,8 @@ use meili_snap::{json_string, snapshot};
 use reqwest::IntoUrl;
 use wiremock::matchers::{method, path};
 use wiremock::{Mock, MockServer, Request, ResponseTemplate};
+use std::thread::sleep;
+use std::time::Duration;
 
 use crate::common::Value;
 use crate::json;
@@ -305,6 +307,7 @@ async fn create_mock_raw() -> (MockServer, Value) {
     Mock::given(method("POST"))
         .and(path("/"))
         .respond_with(move |req: &Request| {
+            println!("Sent!");
             let req: String = match req.body_json() {
                 Ok(req) => req,
                 Err(error) => {
@@ -2111,3 +2114,40 @@ async fn searchable_reindex() {
     }
     "###);
 }
+
+
+#[actix_rt::test]
+async fn observability() {
+    let (_mock, setting) = create_mock_raw().await;
+    let server = get_server_vector().await;
+    let index = server.index("doggo");
+
+    let (response, code) = index
+        .update_settings(json!({
+          "embedders": {
+              "rest": setting,
+          },
+        }))
+        .await;
+    snapshot!(code, @"202 Accepted");
+    let task = server.wait_task(response.uid()).await;
+    snapshot!(task["status"], @r###""succeeded""###);
+    let documents = json!([
+      {"id": 0, "name": "kefir"},
+      {"id": 1, "name": "echo", "_vectors": { "rest": [1, 1, 1] }},
+      {"id": 2, "name": "intel"},
+      {"id": 3, "name": "missing"}, // Stuff that doesn't exist
+      {"id": 4, "name": "invalid"},
+      {"id": 5, "name": "foobar"},
+    ]);
+    let (value, code) = index.add_documents(documents, None).await;
+    snapshot!(code, @"202 Accepted");
+
+    let batches = index.filtered_batches(&[], &[], &[]).await;
+    println!("Batches: {batches:?}");
+
+    let task = index.wait_task(value.uid()).await;
+    let batches = index.filtered_batches(&[], &[], &[]).await;
+    println!("Batches: {batches:?}");
+
+}
diff --git a/crates/milli/src/progress.rs b/crates/milli/src/progress.rs
index ff795b220..7026f0c11 100644
--- a/crates/milli/src/progress.rs
+++ b/crates/milli/src/progress.rs
@@ -20,7 +20,6 @@ pub trait Step: 'static + Send + Sync {
 #[derive(Clone, Default)]
 pub struct Progress {
     steps: Arc<RwLock<InnerProgress>>,
-    pub embedder_stats: Arc<EmbedderStats>,
 }
 
 #[derive(Default)]
@@ -29,6 +28,17 @@ pub struct EmbedderStats {
     pub total_requests: AtomicUsize
 }
 
+impl std::fmt::Debug for EmbedderStats {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        let (error, count) = self.errors.read().unwrap().clone();
+        f.debug_struct("EmbedderStats")
+            .field("errors", &error)
+            .field("total_requests", &self.total_requests.load(Ordering::Relaxed))
+            .field("error_count", &count)
+            .finish()
+    }
+}
+
 #[derive(Default)]
 struct InnerProgress {
     /// The hierarchy of steps.
@@ -72,19 +82,7 @@ impl Progress {
             });
         }
 
-        let embedder_view = {
-            let (last_error, error_count) = match self.embedder_stats.errors.read() {
-                Ok(guard) => (guard.0.clone(), guard.1),
-                Err(_) => (None, 0),
-            };
-            EmbedderStatsView {
-                last_error,
-                request_count: self.embedder_stats.total_requests.load(Ordering::Relaxed) as u32,
-                error_count,
-            }
-        };
-
-        ProgressView { steps: step_view, percentage: percentage * 100.0, embedder: embedder_view }
+        ProgressView { steps: step_view, percentage: percentage * 100.0 }
     }
 
     pub fn accumulated_durations(&self) -> IndexMap<String, String> {
@@ -228,7 +226,6 @@ make_enum_progress! {
 pub struct ProgressView {
     pub steps: Vec<ProgressStepView>,
     pub percentage: f32,
-    pub embedder: EmbedderStatsView,
 }
 
 #[derive(Debug, Serialize, Clone, ToSchema)]
@@ -240,16 +237,6 @@ pub struct ProgressStepView {
     pub total: u32,
 }
 
-#[derive(Debug, Serialize, Clone, ToSchema)]
-#[serde(rename_all = "camelCase")]
-#[schema(rename_all = "camelCase")]
-pub struct EmbedderStatsView {
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub last_error: Option<String>,
-    pub request_count: u32,
-    pub error_count: u32,
-}
-
 /// Used when the name can change but it's still the same step.
 /// To avoid conflicts on the `TypeId`, create a unique type every time you use this step:
 /// ```text
diff --git a/crates/milli/src/search/new/tests/integration.rs b/crates/milli/src/search/new/tests/integration.rs
index e7634a4eb..0b7e1a292 100644
--- a/crates/milli/src/search/new/tests/integration.rs
+++ b/crates/milli/src/search/new/tests/integration.rs
@@ -44,7 +44,7 @@ pub fn setup_search_index_with_criteria(criteria: &[Criterion]) -> Index {
         S("america") => vec![S("the united states")],
     });
     builder.set_searchable_fields(vec![S("title"), S("description")]);
-    builder.execute(|_| (), || false, None).unwrap();
+    builder.execute(|_| (), || false, Default::default()).unwrap();
     wtxn.commit().unwrap();
 
     // index documents
@@ -95,6 +95,7 @@ pub fn setup_search_index_with_criteria(criteria: &[Criterion]) -> Index {
         embedders,
         &|| false,
         &Progress::default(),
+            Default::default(),
     )
     .unwrap();
 
diff --git a/crates/milli/src/test_index.rs b/crates/milli/src/test_index.rs
index 634d45195..3546660b0 100644
--- a/crates/milli/src/test_index.rs
+++ b/crates/milli/src/test_index.rs
@@ -103,6 +103,7 @@ impl TempIndex {
                 embedders,
                 &|| false,
                 &Progress::default(),
+                Default::default(),
             )
         })
         .unwrap()?;
@@ -134,7 +135,7 @@ impl TempIndex {
     ) -> Result<(), crate::error::Error> {
         let mut builder = update::Settings::new(wtxn, &self.inner, &self.indexer_config);
         update(&mut builder);
-        builder.execute(drop, || false, None)?;
+        builder.execute(drop, || false, Default::default())?;
         Ok(())
     }
 
@@ -185,6 +186,7 @@ impl TempIndex {
                 embedders,
                 &|| false,
                 &Progress::default(),
+                Default::default(),
             )
         })
         .unwrap()?;
@@ -259,6 +261,7 @@ fn aborting_indexation() {
                 embedders,
                 &|| should_abort.load(Relaxed),
                 &Progress::default(),
+                Default::default(),
             )
         })
         .unwrap()
diff --git a/crates/milli/src/update/index_documents/extract/extract_vector_points.rs b/crates/milli/src/update/index_documents/extract/extract_vector_points.rs
index 5e6bde53d..de91e9f10 100644
--- a/crates/milli/src/update/index_documents/extract/extract_vector_points.rs
+++ b/crates/milli/src/update/index_documents/extract/extract_vector_points.rs
@@ -687,6 +687,8 @@ pub fn extract_embeddings<R: io::Read + io::Seek>(
     unused_vectors_distribution: &UnusedVectorsDistribution,
     request_threads: &ThreadPoolNoAbort,
 ) -> Result<grenad::Reader<BufReader<File>>> {
+    println!("Extract embedder stats {}:", embedder_stats.is_some());
+
     let n_chunks = embedder.chunk_count_hint(); // chunk level parallelism
     let n_vectors_per_chunk = embedder.prompt_count_in_chunk_hint(); // number of vectors in a single chunk
 
diff --git a/crates/milli/src/update/index_documents/extract/mod.rs b/crates/milli/src/update/index_documents/extract/mod.rs
index 020b48f2c..f4f3ad22e 100644
--- a/crates/milli/src/update/index_documents/extract/mod.rs
+++ b/crates/milli/src/update/index_documents/extract/mod.rs
@@ -50,7 +50,7 @@ pub(crate) fn data_from_obkv_documents(
     settings_diff: Arc<InnerIndexSettingsDiff>,
     max_positions_per_attributes: Option<u32>,
     possible_embedding_mistakes: Arc<PossibleEmbeddingMistakes>,
-    embedder_stats: Option<Arc<EmbedderStats>>,
+    embedder_stats: Arc<EmbedderStats>,
 ) -> Result<()> {
     let (original_pipeline_result, flattened_pipeline_result): (Result<_>, Result<_>) = rayon::join(
         || {
@@ -234,7 +234,7 @@ fn send_original_documents_data(
     embedders_configs: Arc<Vec<IndexEmbeddingConfig>>,
     settings_diff: Arc<InnerIndexSettingsDiff>,
     possible_embedding_mistakes: Arc<PossibleEmbeddingMistakes>,
-    embedder_stats: Option<Arc<EmbedderStats>>,
+    embedder_stats: Arc<EmbedderStats>,
 ) -> Result<()> {
     let original_documents_chunk =
         original_documents_chunk.and_then(|c| unsafe { as_cloneable_grenad(&c) })?;
@@ -274,7 +274,7 @@ fn send_original_documents_data(
                             embedder.clone(),
                             &embedder_name,
                             &possible_embedding_mistakes,
-                            embedder_stats.clone(),
+                            Some(embedder_stats.clone()),
                             &unused_vectors_distribution,
                             request_threads(),
                         ) {
diff --git a/crates/milli/src/update/index_documents/mod.rs b/crates/milli/src/update/index_documents/mod.rs
index fad43bd30..f2e1783e4 100644
--- a/crates/milli/src/update/index_documents/mod.rs
+++ b/crates/milli/src/update/index_documents/mod.rs
@@ -81,7 +81,7 @@ pub struct IndexDocuments<'t, 'i, 'a, FP, FA> {
     added_documents: u64,
     deleted_documents: u64,
     embedders: EmbeddingConfigs,
-    embedder_stats: Option<Arc<EmbedderStats>>,
+    embedder_stats: Arc<EmbedderStats>,
 }
 
 #[derive(Default, Debug, Clone)]
@@ -104,7 +104,7 @@ where
         config: IndexDocumentsConfig,
         progress: FP,
         should_abort: FA,
-        embedder_stats: Option<Arc<EmbedderStats>>,
+        embedder_stats: Arc<EmbedderStats>,
     ) -> Result<IndexDocuments<'t, 'i, 'a, FP, FA>> {
         let transform = Some(Transform::new(
             wtxn,
@@ -2030,6 +2030,7 @@ mod tests {
             EmbeddingConfigs::default(),
             &|| false,
             &Progress::default(),
+            Default::default(),
         )
         .unwrap();
         wtxn.commit().unwrap();
@@ -2117,6 +2118,7 @@ mod tests {
             EmbeddingConfigs::default(),
             &|| false,
             &Progress::default(),
+            Default::default(),
         )
         .unwrap();
         wtxn.commit().unwrap();
@@ -2302,6 +2304,7 @@ mod tests {
             embedders,
             &|| false,
             &Progress::default(),
+            Default::default(),
         )
         .unwrap();
         wtxn.commit().unwrap();
@@ -2364,6 +2367,7 @@ mod tests {
             embedders,
             &|| false,
             &Progress::default(),
+            Default::default(),
         )
         .unwrap();
         wtxn.commit().unwrap();
@@ -2417,6 +2421,7 @@ mod tests {
             embedders,
             &|| false,
             &Progress::default(),
+            Default::default(),
         )
         .unwrap();
         wtxn.commit().unwrap();
@@ -2469,6 +2474,7 @@ mod tests {
             embedders,
             &|| false,
             &Progress::default(),
+            Default::default(),
         )
         .unwrap();
         wtxn.commit().unwrap();
@@ -2523,6 +2529,7 @@ mod tests {
             embedders,
             &|| false,
             &Progress::default(),
+            Default::default(),
         )
         .unwrap();
         wtxn.commit().unwrap();
@@ -2582,6 +2589,7 @@ mod tests {
             embedders,
             &|| false,
             &Progress::default(),
+            Default::default(),
         )
         .unwrap();
         wtxn.commit().unwrap();
@@ -2634,6 +2642,7 @@ mod tests {
             embedders,
             &|| false,
             &Progress::default(),
+            Default::default(),
         )
         .unwrap();
         wtxn.commit().unwrap();
@@ -2686,6 +2695,7 @@ mod tests {
             embedders,
             &|| false,
             &Progress::default(),
+            Default::default(),
         )
         .unwrap();
         wtxn.commit().unwrap();
@@ -2884,6 +2894,7 @@ mod tests {
             embedders,
             &|| false,
             &Progress::default(),
+            Default::default(),
         )
         .unwrap();
         wtxn.commit().unwrap();
@@ -2943,6 +2954,7 @@ mod tests {
             embedders,
             &|| false,
             &Progress::default(),
+            Default::default(),
         )
         .unwrap();
         wtxn.commit().unwrap();
@@ -2999,6 +3011,7 @@ mod tests {
             embedders,
             &|| false,
             &Progress::default(),
+            Default::default(),
         )
         .unwrap();
         wtxn.commit().unwrap();
diff --git a/crates/milli/src/update/new/extract/vectors/mod.rs b/crates/milli/src/update/new/extract/vectors/mod.rs
index 5b6559d74..f720b81e2 100644
--- a/crates/milli/src/update/new/extract/vectors/mod.rs
+++ b/crates/milli/src/update/new/extract/vectors/mod.rs
@@ -1,4 +1,5 @@
-use std::cell::RefCell;
+use std::f32::consts::E;
+use std::{cell::RefCell, sync::Arc};
 
 use bumpalo::collections::Vec as BVec;
 use bumpalo::Bump;
@@ -6,6 +7,7 @@ use hashbrown::{DefaultHashBuilder, HashMap};
 
 use super::cache::DelAddRoaringBitmap;
 use crate::error::FaultSource;
+use crate::progress::EmbedderStats;
 use crate::prompt::Prompt;
 use crate::update::new::channel::EmbeddingSender;
 use crate::update::new::indexer::document_changes::{DocumentChangeContext, Extractor};
@@ -22,6 +24,7 @@ pub struct EmbeddingExtractor<'a, 'b> {
     embedders: &'a EmbeddingConfigs,
     sender: EmbeddingSender<'a, 'b>,
     possible_embedding_mistakes: PossibleEmbeddingMistakes,
+    embedder_stats: Option<Arc<EmbedderStats>>,
     threads: &'a ThreadPoolNoAbort,
 }
 
@@ -30,10 +33,11 @@ impl<'a, 'b> EmbeddingExtractor<'a, 'b> {
         embedders: &'a EmbeddingConfigs,
         sender: EmbeddingSender<'a, 'b>,
         field_distribution: &'a FieldDistribution,
+        embedder_stats: Option<Arc<EmbedderStats>>,
         threads: &'a ThreadPoolNoAbort,
     ) -> Self {
         let possible_embedding_mistakes = PossibleEmbeddingMistakes::new(field_distribution);
-        Self { embedders, sender, threads, possible_embedding_mistakes }
+        Self { embedders, sender, threads, possible_embedding_mistakes, embedder_stats }
     }
 }
 
@@ -75,6 +79,7 @@ impl<'extractor> Extractor<'extractor> for EmbeddingExtractor<'_, '_> {
                 prompt,
                 context.data,
                 &self.possible_embedding_mistakes,
+                self.embedder_stats.clone(),
                 self.threads,
                 self.sender,
                 &context.doc_alloc,
@@ -307,6 +312,7 @@ struct Chunks<'a, 'b, 'extractor> {
     dimensions: usize,
     prompt: &'a Prompt,
     possible_embedding_mistakes: &'a PossibleEmbeddingMistakes,
+    embedder_stats: Option<Arc<EmbedderStats>>,
     user_provided: &'a RefCell<EmbeddingExtractorData<'extractor>>,
     threads: &'a ThreadPoolNoAbort,
     sender: EmbeddingSender<'a, 'b>,
@@ -322,6 +328,7 @@ impl<'a, 'b, 'extractor> Chunks<'a, 'b, 'extractor> {
         prompt: &'a Prompt,
         user_provided: &'a RefCell<EmbeddingExtractorData<'extractor>>,
         possible_embedding_mistakes: &'a PossibleEmbeddingMistakes,
+        embedder_stats: Option<Arc<EmbedderStats>>,
         threads: &'a ThreadPoolNoAbort,
         sender: EmbeddingSender<'a, 'b>,
         doc_alloc: &'a Bump,
@@ -336,6 +343,7 @@ impl<'a, 'b, 'extractor> Chunks<'a, 'b, 'extractor> {
             embedder,
             prompt,
             possible_embedding_mistakes,
+            embedder_stats,
             threads,
             sender,
             embedder_id,
@@ -371,6 +379,7 @@ impl<'a, 'b, 'extractor> Chunks<'a, 'b, 'extractor> {
             self.embedder_id,
             self.embedder_name,
             self.possible_embedding_mistakes,
+            self.embedder_stats.clone(),
             unused_vectors_distribution,
             self.threads,
             self.sender,
@@ -389,6 +398,7 @@ impl<'a, 'b, 'extractor> Chunks<'a, 'b, 'extractor> {
             self.embedder_id,
             self.embedder_name,
             self.possible_embedding_mistakes,
+            self.embedder_stats.clone(),
             unused_vectors_distribution,
             self.threads,
             self.sender,
@@ -407,6 +417,7 @@ impl<'a, 'b, 'extractor> Chunks<'a, 'b, 'extractor> {
         embedder_id: u8,
         embedder_name: &str,
         possible_embedding_mistakes: &PossibleEmbeddingMistakes,
+        embedder_stats: Option<Arc<EmbedderStats>>,
         unused_vectors_distribution: &UnusedVectorsDistributionBump,
         threads: &ThreadPoolNoAbort,
         sender: EmbeddingSender<'a, 'b>,
@@ -450,7 +461,7 @@ impl<'a, 'b, 'extractor> Chunks<'a, 'b, 'extractor> {
             return Err(crate::Error::UserError(crate::UserError::DocumentEmbeddingError(msg)));
         }
 
-        let res = match embedder.embed_index_ref(texts.as_slice(), threads, None) {
+        let res = match embedder.embed_index_ref(texts.as_slice(), threads, embedder_stats) {
             Ok(embeddings) => {
                 for (docid, embedding) in ids.into_iter().zip(embeddings) {
                     sender.set_vector(*docid, embedder_id, embedding).unwrap();
diff --git a/crates/milli/src/update/new/indexer/extract.rs b/crates/milli/src/update/new/indexer/extract.rs
index bb36ddc37..72c63b605 100644
--- a/crates/milli/src/update/new/indexer/extract.rs
+++ b/crates/milli/src/update/new/indexer/extract.rs
@@ -1,6 +1,7 @@
 use std::collections::BTreeMap;
 use std::sync::atomic::AtomicBool;
 use std::sync::OnceLock;
+use std::sync::Arc;
 
 use bumpalo::Bump;
 use roaring::RoaringBitmap;
@@ -13,6 +14,7 @@ use super::super::thread_local::{FullySend, ThreadLocal};
 use super::super::FacetFieldIdsDelta;
 use super::document_changes::{extract, DocumentChanges, IndexingContext};
 use crate::index::IndexEmbeddingConfig;
+use crate::progress::EmbedderStats;
 use crate::progress::MergingWordCache;
 use crate::proximity::ProximityPrecision;
 use crate::update::new::extract::EmbeddingExtractor;
@@ -34,6 +36,7 @@ pub(super) fn extract_all<'pl, 'extractor, DC, MSP>(
     mut index_embeddings: Vec<IndexEmbeddingConfig>,
     document_ids: &mut RoaringBitmap,
     modified_docids: &mut RoaringBitmap,
+    embedder_stats: Arc<EmbedderStats>,
 ) -> Result<(FacetFieldIdsDelta, Vec<IndexEmbeddingConfig>)>
 where
     DC: DocumentChanges<'pl>,
@@ -245,6 +248,7 @@ where
             embedders,
             embedding_sender,
             field_distribution,
+            Some(embedder_stats),
             request_threads(),
         );
         let mut datastore = ThreadLocal::with_capacity(rayon::current_num_threads());
diff --git a/crates/milli/src/update/new/indexer/mod.rs b/crates/milli/src/update/new/indexer/mod.rs
index 2ea3c787e..52fd6cd0b 100644
--- a/crates/milli/src/update/new/indexer/mod.rs
+++ b/crates/milli/src/update/new/indexer/mod.rs
@@ -1,6 +1,7 @@
 use std::sync::atomic::AtomicBool;
 use std::sync::{Once, RwLock};
 use std::thread::{self, Builder};
+use std::sync::Arc;
 
 use big_s::S;
 use document_changes::{DocumentChanges, IndexingContext};
@@ -19,7 +20,7 @@ use super::steps::IndexingStep;
 use super::thread_local::ThreadLocal;
 use crate::documents::PrimaryKey;
 use crate::fields_ids_map::metadata::{FieldIdMapWithMetadata, MetadataBuilder};
-use crate::progress::Progress;
+use crate::progress::{EmbedderStats, Progress};
 use crate::update::GrenadParameters;
 use crate::vector::{ArroyWrapper, EmbeddingConfigs};
 use crate::{FieldsIdsMap, GlobalFieldsIdsMap, Index, InternalError, Result, ThreadPoolNoAbort};
@@ -55,6 +56,7 @@ pub fn index<'pl, 'indexer, 'index, DC, MSP>(
     embedders: EmbeddingConfigs,
     must_stop_processing: &'indexer MSP,
     progress: &'indexer Progress,
+    embedder_stats: Arc<EmbedderStats>,
 ) -> Result<ChannelCongestion>
 where
     DC: DocumentChanges<'pl>,
@@ -158,6 +160,7 @@ where
                         index_embeddings,
                         document_ids,
                         modified_docids,
+                        embedder_stats,
                     )
                 })
                 .unwrap()
diff --git a/crates/milli/src/update/settings.rs b/crates/milli/src/update/settings.rs
index 7c5a70aa3..98ee86978 100644
--- a/crates/milli/src/update/settings.rs
+++ b/crates/milli/src/update/settings.rs
@@ -475,7 +475,7 @@ impl<'a, 't, 'i> Settings<'a, 't, 'i> {
         progress_callback: &FP,
         should_abort: &FA,
         settings_diff: InnerIndexSettingsDiff,
-        embedder_stats: Option<Arc<EmbedderStats>>,
+        embedder_stats: Arc<EmbedderStats>,
     ) -> Result<()>
     where
         FP: Fn(UpdateIndexingStep) + Sync,
@@ -1358,7 +1358,7 @@ impl<'a, 't, 'i> Settings<'a, 't, 'i> {
         }
     }
 
-    pub fn execute<FP, FA>(mut self, progress_callback: FP, should_abort: FA, embedder_stats: Option<Arc<EmbedderStats>>) -> Result<()>
+    pub fn execute<FP, FA>(mut self, progress_callback: FP, should_abort: FA, embedder_stats: Arc<EmbedderStats>) -> Result<()>
     where
         FP: Fn(UpdateIndexingStep) + Sync,
         FA: Fn() -> bool + Sync,
diff --git a/crates/milli/src/vector/rest.rs b/crates/milli/src/vector/rest.rs
index fc0ff308b..9aeb73f42 100644
--- a/crates/milli/src/vector/rest.rs
+++ b/crates/milli/src/vector/rest.rs
@@ -295,6 +295,10 @@ fn embed<S>(
 where
     S: Serialize,
 {
+    use std::backtrace::Backtrace;
+
+    println!("Embedder stats? {}", embedder_stats.is_some());
+
     let request = data.client.post(&data.url);
     let request = if let Some(bearer) = &data.bearer {
         request.set("Authorization", bearer)
diff --git a/crates/milli/tests/search/distinct.rs b/crates/milli/tests/search/distinct.rs
index 55e43c8fa..15fcf70a2 100644
--- a/crates/milli/tests/search/distinct.rs
+++ b/crates/milli/tests/search/distinct.rs
@@ -19,7 +19,7 @@ macro_rules! test_distinct {
             let config = milli::update::IndexerConfig::default();
             let mut builder = Settings::new(&mut wtxn, &index, &config);
             builder.set_distinct_field(S(stringify!($distinct)));
-            builder.execute(|_| (), || false, None).unwrap();
+            builder.execute(|_| (), || false, Default::default()).unwrap();
             wtxn.commit().unwrap();
 
             let rtxn = index.read_txn().unwrap();
diff --git a/crates/milli/tests/search/facet_distribution.rs b/crates/milli/tests/search/facet_distribution.rs
index 588662735..5ed223400 100644
--- a/crates/milli/tests/search/facet_distribution.rs
+++ b/crates/milli/tests/search/facet_distribution.rs
@@ -25,7 +25,7 @@ fn test_facet_distribution_with_no_facet_values() {
         FilterableAttributesRule::Field(S("genres")),
         FilterableAttributesRule::Field(S("tags")),
     ]);
-    builder.execute(|_| (), || false, None).unwrap();
+    builder.execute(|_| (), || false, Default::default()).unwrap();
     wtxn.commit().unwrap();
 
     // index documents
@@ -74,6 +74,7 @@ fn test_facet_distribution_with_no_facet_values() {
         embedders,
         &|| false,
         &Progress::default(),
+        Default::default(),
     )
     .unwrap();
 
diff --git a/crates/milli/tests/search/mod.rs b/crates/milli/tests/search/mod.rs
index 1e0c24608..beee4ac54 100644
--- a/crates/milli/tests/search/mod.rs
+++ b/crates/milli/tests/search/mod.rs
@@ -63,7 +63,7 @@ pub fn setup_search_index_with_criteria(criteria: &[Criterion]) -> Index {
         S("america") => vec![S("the united states")],
     });
     builder.set_searchable_fields(vec![S("title"), S("description")]);
-    builder.execute(|_| (), || false, None).unwrap();
+    builder.execute(|_| (), || false, Default::default()).unwrap();
     wtxn.commit().unwrap();
 
     // index documents
@@ -114,6 +114,7 @@ pub fn setup_search_index_with_criteria(criteria: &[Criterion]) -> Index {
         embedders,
         &|| false,
         &Progress::default(),
+        Default::default(),
     )
     .unwrap();
 
diff --git a/crates/milli/tests/search/phrase_search.rs b/crates/milli/tests/search/phrase_search.rs
index c5a95f7cd..180fcd176 100644
--- a/crates/milli/tests/search/phrase_search.rs
+++ b/crates/milli/tests/search/phrase_search.rs
@@ -10,7 +10,7 @@ fn set_stop_words(index: &Index, stop_words: &[&str]) {
     let mut builder = Settings::new(&mut wtxn, index, &config);
     let stop_words = stop_words.iter().map(|s| s.to_string()).collect();
     builder.set_stop_words(stop_words);
-    builder.execute(|_| (), || false, None).unwrap();
+    builder.execute(|_| (), || false, Default::default()).unwrap();
     wtxn.commit().unwrap();
 }
 
diff --git a/crates/milli/tests/search/query_criteria.rs b/crates/milli/tests/search/query_criteria.rs
index b7614c215..04b8374de 100644
--- a/crates/milli/tests/search/query_criteria.rs
+++ b/crates/milli/tests/search/query_criteria.rs
@@ -236,7 +236,7 @@ fn criteria_mixup() {
         let mut wtxn = index.write_txn().unwrap();
         let mut builder = Settings::new(&mut wtxn, &index, &config);
         builder.set_criteria(criteria.clone());
-        builder.execute(|_| (), || false, None).unwrap();
+        builder.execute(|_| (), || false, Default::default()).unwrap();
         wtxn.commit().unwrap();
 
         let rtxn = index.read_txn().unwrap();
@@ -276,7 +276,7 @@ fn criteria_ascdesc() {
         S("name"),
         S("age"),
     });
-    builder.execute(|_| (), || false, None).unwrap();
+    builder.execute(|_| (), || false, Default::default()).unwrap();
 
     wtxn.commit().unwrap();
     let mut wtxn = index.write_txn().unwrap();
@@ -344,6 +344,7 @@ fn criteria_ascdesc() {
         embedders,
         &|| false,
         &Progress::default(),
+        Default::default(),
     )
     .unwrap();
 
@@ -358,7 +359,7 @@ fn criteria_ascdesc() {
         let mut wtxn = index.write_txn().unwrap();
         let mut builder = Settings::new(&mut wtxn, &index, &config);
         builder.set_criteria(vec![criterion.clone()]);
-        builder.execute(|_| (), || false, None).unwrap();
+        builder.execute(|_| (), || false, Default::default()).unwrap();
         wtxn.commit().unwrap();
 
         let rtxn = index.read_txn().unwrap();
diff --git a/crates/milli/tests/search/typo_tolerance.rs b/crates/milli/tests/search/typo_tolerance.rs
index bf9a730c9..e2cdab550 100644
--- a/crates/milli/tests/search/typo_tolerance.rs
+++ b/crates/milli/tests/search/typo_tolerance.rs
@@ -46,7 +46,7 @@ fn test_typo_tolerance_one_typo() {
     let config = IndexerConfig::default();
     let mut builder = Settings::new(&mut txn, &index, &config);
     builder.set_min_word_len_one_typo(4);
-    builder.execute(|_| (), || false, None).unwrap();
+    builder.execute(|_| (), || false, Default::default()).unwrap();
 
     // typo is now supported for 4 letters words
     let mut search = Search::new(&txn, &index);
@@ -92,7 +92,7 @@ fn test_typo_tolerance_two_typo() {
     let config = IndexerConfig::default();
     let mut builder = Settings::new(&mut txn, &index, &config);
     builder.set_min_word_len_two_typos(7);
-    builder.execute(|_| (), || false, None).unwrap();
+    builder.execute(|_| (), || false, Default::default()).unwrap();
 
     // typo is now supported for 4 letters words
     let mut search = Search::new(&txn, &index);
@@ -153,6 +153,7 @@ fn test_typo_disabled_on_word() {
         embedders,
         &|| false,
         &Progress::default(),
+        Default::default(),
     )
     .unwrap();
 
@@ -180,7 +181,7 @@ fn test_typo_disabled_on_word() {
     // `zealand` doesn't allow typos anymore
     exact_words.insert("zealand".to_string());
     builder.set_exact_words(exact_words);
-    builder.execute(|_| (), || false, None).unwrap();
+    builder.execute(|_| (), || false, Default::default()).unwrap();
 
     let mut search = Search::new(&txn, &index);
     search.query("zealand");
@@ -218,7 +219,7 @@ fn test_disable_typo_on_attribute() {
     let mut builder = Settings::new(&mut txn, &index, &config);
     // disable typos on `description`
     builder.set_exact_attributes(vec!["description".to_string()].into_iter().collect());
-    builder.execute(|_| (), || false, None).unwrap();
+    builder.execute(|_| (), || false, Default::default()).unwrap();
 
     let mut search = Search::new(&txn, &index);
     search.query("antebelum");