diff --git a/codex-rs/analytics/src/analytics_client.rs b/codex-rs/analytics/src/analytics_client.rs
index 8431ffba5f..f75b455197 100644
--- a/codex-rs/analytics/src/analytics_client.rs
+++ b/codex-rs/analytics/src/analytics_client.rs
@@ -62,8 +62,34 @@ pub struct CodexThreadInitializedEvent {
     pub created_at: u64,
 }
 
-#[derive(Clone, Copy)]
-pub struct CodexTurnSteerEvent;
+#[derive(Clone, Copy, Debug, Serialize)]
+#[serde(rename_all = "snake_case")]
+pub enum TurnSteerResult {
+    Accepted,
+    Rejected,
+}
+
+#[derive(Clone, Copy, Debug, Serialize)]
+#[serde(rename_all = "snake_case")]
+pub enum TurnSteerRejectionReason {
+    NoActiveTurn,
+    ExpectedTurnMismatch,
+    NonSteerableReview,
+    NonSteerableCompact,
+    EmptyInput,
+    InputTooLarge,
+    InternalError,
+}
+
+#[derive(Clone)]
+pub struct CodexTurnSteerEvent {
+    pub expected_turn_id: String,
+    pub accepted_turn_id: Option<String>,
+    pub num_input_images: usize,
+    pub result: TurnSteerResult,
+    pub rejection_reason: Option<TurnSteerRejectionReason>,
+    pub created_at: u64,
+}
 
 #[derive(Clone)]
 pub struct CodexThreadInitializedInput {
@@ -484,9 +510,13 @@ struct CodexTurnEventRequest {
 #[derive(Serialize)]
 struct CodexTurnSteerEventParams {
     thread_id: String,
-    turn_id: String,
+    expected_turn_id: String,
+    accepted_turn_id: Option<String>,
     product_client_id: Option<String>,
-    model: Option<String>,
+    num_input_images: usize,
+    result: TurnSteerResult,
+    rejection_reason: Option<TurnSteerRejectionReason>,
+    created_at: u64,
 }
 
 #[derive(Serialize)]
@@ -590,7 +620,7 @@ impl AnalyticsReducer {
             turn_event,
         } = input;
         out.push(TrackEventRequest::TurnEvent(CodexTurnEventRequest {
-            event_type: "codex_turn_event",
+            event_type: "codex_turn_steer_event",
             event_params: codex_turn_event_params(&tracking, turn_event),
         }));
     }
@@ -750,13 +780,17 @@ fn codex_turn_event_params(
 
 fn codex_turn_steer_event_params(
     tracking: &TrackEventsContext,
-    _turn_steer: CodexTurnSteerEvent,
+    turn_steer: CodexTurnSteerEvent,
 ) -> CodexTurnSteerEventParams {
     CodexTurnSteerEventParams {
         thread_id: tracking.thread_id.clone(),
-        turn_id: tracking.turn_id.clone(),
+        expected_turn_id: turn_steer.expected_turn_id,
+        accepted_turn_id: turn_steer.accepted_turn_id,
         product_client_id: Some(originator().value),
-        model: Some(tracking.model_slug.clone()),
+        num_input_images: turn_steer.num_input_images,
+        result: turn_steer.result,
+        rejection_reason: turn_steer.rejection_reason,
+        created_at: turn_steer.created_at,
     }
 }
 
diff --git a/codex-rs/analytics/src/analytics_client_tests.rs b/codex-rs/analytics/src/analytics_client_tests.rs
index c0d45c840c..111f34ee2e 100644
--- a/codex-rs/analytics/src/analytics_client_tests.rs
+++ b/codex-rs/analytics/src/analytics_client_tests.rs
@@ -13,6 +13,7 @@ use super::InitializationMode;
 use super::InvocationType;
 use super::TrackEventRequest;
 use super::TrackEventsContext;
+use super::TurnSteerResult;
 use super::codex_app_metadata;
 use super::codex_plugin_metadata;
 use super::codex_plugin_used_metadata;
@@ -269,8 +270,18 @@ fn turn_steer_event_serializes_expected_shape() {
         turn_id: "turn-2".to_string(),
     };
     let event = TrackEventRequest::TurnSteer(CodexTurnSteerEventRequest {
-        event_type: "codex_turn_event",
-        event_params: codex_turn_steer_event_params(&tracking, CodexTurnSteerEvent),
+        event_type: "codex_turn_steer_event",
+        event_params: codex_turn_steer_event_params(
+            &tracking,
+            CodexTurnSteerEvent {
+                expected_turn_id: "turn-2".to_string(),
+                accepted_turn_id: Some("turn-2".to_string()),
+                num_input_images: 2,
+                result: TurnSteerResult::Accepted,
+                rejection_reason: None,
+                created_at: 1_716_000_123,
+            },
+        ),
     });
 
     let payload = serde_json::to_value(&event).expect("serialize turn steer event");
@@ -278,12 +289,16 @@ fn turn_steer_event_serializes_expected_shape() {
     assert_eq!(
         payload,
         json!({
-            "event_type": "codex_turn_event",
+            "event_type": "codex_turn_steer_event",
             "event_params": {
                 "thread_id": "thread-2",
-                "turn_id": "turn-2",
+                "expected_turn_id": "turn-2",
+                "accepted_turn_id": "turn-2",
                 "product_client_id": originator().value,
-                "model": "gpt-5"
+                "num_input_images": 2,
+                "result": "accepted",
+                "rejection_reason": null,
+                "created_at": 1_716_000_123
             }
         })
     );
diff --git a/codex-rs/analytics/src/lib.rs b/codex-rs/analytics/src/lib.rs
index cfbe7a258b..0e2b23d795 100644
--- a/codex-rs/analytics/src/lib.rs
+++ b/codex-rs/analytics/src/lib.rs
@@ -19,4 +19,6 @@ pub use analytics_client::PluginUsedInput;
 pub use analytics_client::SkillInvocation;
 pub use analytics_client::SkillInvokedInput;
 pub use analytics_client::TrackEventsContext;
+pub use analytics_client::TurnSteerRejectionReason;
+pub use analytics_client::TurnSteerResult;
 pub use analytics_client::build_track_events_context;
diff --git a/codex-rs/core/src/codex.rs b/codex-rs/core/src/codex.rs
index b059b50166..631f4c741f 100644
--- a/codex-rs/core/src/codex.rs
+++ b/codex-rs/core/src/codex.rs
@@ -357,6 +357,7 @@ use codex_analytics::CodexTurnEvent;
 use codex_analytics::CodexTurnSteerEvent;
 use codex_analytics::InitializationMode;
 use codex_analytics::InvocationType;
+use codex_analytics::TurnSteerResult;
 use codex_analytics::build_track_events_context;
 use codex_async_utils::OrCancelExt;
 use codex_git_utils::get_git_repo_root;
@@ -3970,6 +3971,11 @@ impl Session {
             return Err(SteerInputError::EmptyInput);
         }
 
+        let num_input_images = input
+            .iter()
+            .filter(|item| matches!(item, UserInput::Image { .. }))
+            .count();
+
         let mut active = self.active_turn.lock().await;
         let Some(active_turn) = active.as_mut() else {
             return Err(SteerInputError::NoActiveTurn(input));
@@ -4013,9 +4019,23 @@ impl Session {
         turn_state.push_pending_input(input.into());
         drop(turn_state);
         drop(active);
-        self.services
-            .analytics_events_client
-            .track_turn_steer(tracking, CodexTurnSteerEvent);
+        let expected_turn_id = expected_turn_id
+            .map(str::to_string)
+            .unwrap_or_else(|| active_turn_id.clone());
+        self.services.analytics_events_client.track_turn_steer(
+            tracking,
+            CodexTurnSteerEvent {
+                expected_turn_id,
+                accepted_turn_id: Some(active_turn_id.clone()),
+                num_input_images,
+                result: TurnSteerResult::Accepted,
+                rejection_reason: None,
+                created_at: SystemTime::now()
+                    .duration_since(UNIX_EPOCH)
+                    .unwrap_or_default()
+                    .as_secs(),
+            },
+        );
         Ok(active_turn_id)
     }