diff --git a/codex-rs/analytics/src/analytics_client_tests.rs b/codex-rs/analytics/src/analytics_client_tests.rs
index 1fe77760ee..af7d957ea9 100644
--- a/codex-rs/analytics/src/analytics_client_tests.rs
+++ b/codex-rs/analytics/src/analytics_client_tests.rs
@@ -30,6 +30,7 @@ use crate::facts::SubAgentThreadStartedInput;
 use crate::facts::TrackEventsContext;
 use crate::facts::TurnResolvedConfigFact;
 use crate::facts::TurnStatus;
+use crate::facts::TurnTokenUsageFact;
 use crate::reducer::AnalyticsReducer;
 use crate::reducer::normalize_path_for_skill_id;
 use crate::reducer::skill_id_for_local_skill;
@@ -66,6 +67,7 @@ use codex_protocol::config_types::ModeKind;
 use codex_protocol::protocol::AskForApproval;
 use codex_protocol::protocol::SandboxPolicy;
 use codex_protocol::protocol::SubAgentSource;
+use codex_protocol::protocol::TokenUsage;
 use pretty_assertions::assert_eq;
 use serde_json::json;
 use std::collections::HashSet;
@@ -181,6 +183,20 @@ fn sample_turn_started_notification(thread_id: &str, turn_id: &str) -> ServerNot
     })
 }
 
+fn sample_turn_token_usage_fact(thread_id: &str, turn_id: &str) -> TurnTokenUsageFact {
+    TurnTokenUsageFact {
+        thread_id: thread_id.to_string(),
+        turn_id: turn_id.to_string(),
+        token_usage: TokenUsage {
+            total_tokens: 321,
+            input_tokens: 123,
+            cached_input_tokens: 45,
+            output_tokens: 140,
+            reasoning_output_tokens: 13,
+        },
+    }
+}
+
 fn sample_turn_completed_notification(
     thread_id: &str,
     turn_id: &str,
@@ -232,6 +248,7 @@ async fn ingest_turn_prerequisites(
     include_initialize: bool,
     include_resolved_config: bool,
     include_started: bool,
+    include_token_usage: bool,
 ) {
     if include_initialize {
         reducer
@@ -301,6 +318,17 @@ async fn ingest_turn_prerequisites(
             )
             .await;
     }
+
+    if include_token_usage {
+        reducer
+            .ingest(
+                AnalyticsFact::Custom(CustomAnalyticsFact::TurnTokenUsage(Box::new(
+                    sample_turn_token_usage_fact("thread-2", "turn-2"),
+                ))),
+                out,
+            )
+            .await;
+    }
 }
 
 fn expected_absolute_path(path: &PathBuf) -> String {
@@ -1045,6 +1073,11 @@ fn turn_event_serializes_expected_shape() {
             subagent_tool_call_count: None,
             web_search_count: None,
             image_generation_count: None,
+            input_tokens: None,
+            cached_input_tokens: None,
+            output_tokens: None,
+            reasoning_output_tokens: None,
+            total_tokens: None,
             duration_ms: Some(1234),
             started_at: Some(455),
             completed_at: Some(456),
@@ -1086,6 +1119,11 @@ fn turn_event_serializes_expected_shape() {
                 "subagent_tool_call_count": null,
                 "web_search_count": null,
                 "image_generation_count": null,
+                "input_tokens": null,
+                "cached_input_tokens": null,
+                "output_tokens": null,
+                "reasoning_output_tokens": null,
+                "total_tokens": null,
                 "duration_ms": 1234,
                 "started_at": 455,
                 "completed_at": 456
@@ -1105,6 +1143,7 @@ async fn turn_lifecycle_emits_turn_event() {
         /*include_initialize*/ true,
         /*include_resolved_config*/ true,
         /*include_started*/ true,
+        /*include_token_usage*/ true,
     )
     .await;
     reducer
@@ -1133,6 +1172,14 @@ async fn turn_lifecycle_emits_turn_event() {
     assert_eq!(payload["event_params"]["started_at"], json!(455));
     assert_eq!(payload["event_params"]["completed_at"], json!(456));
     assert_eq!(payload["event_params"]["duration_ms"], json!(1234));
+    assert_eq!(payload["event_params"]["input_tokens"], json!(123));
+    assert_eq!(payload["event_params"]["cached_input_tokens"], json!(45));
+    assert_eq!(payload["event_params"]["output_tokens"], json!(140));
+    assert_eq!(
+        payload["event_params"]["reasoning_output_tokens"],
+        json!(13)
+    );
+    assert_eq!(payload["event_params"]["total_tokens"], json!(321));
 }
 
 #[tokio::test]
@@ -1146,6 +1193,7 @@ async fn turn_does_not_emit_without_required_prerequisites() {
         /*include_initialize*/ false,
         /*include_resolved_config*/ true,
         /*include_started*/ false,
+        /*include_token_usage*/ false,
     )
     .await;
     reducer
@@ -1175,6 +1223,7 @@ async fn turn_does_not_emit_without_required_prerequisites() {
         /*include_initialize*/ true,
         /*include_resolved_config*/ false,
         /*include_started*/ false,
+        /*include_token_usage*/ false,
     )
     .await;
     reducer
@@ -1202,6 +1251,7 @@ async fn turn_lifecycle_emits_failed_turn_event() {
         /*include_initialize*/ true,
         /*include_resolved_config*/ true,
         /*include_started*/ true,
+        /*include_token_usage*/ false,
     )
     .await;
     reducer
@@ -1233,6 +1283,7 @@ async fn turn_lifecycle_emits_interrupted_turn_event_without_error() {
         /*include_initialize*/ true,
         /*include_resolved_config*/ true,
         /*include_started*/ true,
+        /*include_token_usage*/ false,
     )
     .await;
     reducer
@@ -1264,6 +1315,7 @@ async fn turn_completed_without_started_notification_emits_null_started_at() {
         /*include_initialize*/ true,
         /*include_resolved_config*/ true,
         /*include_started*/ false,
+        /*include_token_usage*/ false,
     )
     .await;
     reducer
@@ -1281,6 +1333,14 @@ async fn turn_completed_without_started_notification_emits_null_started_at() {
     let payload = serde_json::to_value(&out[0]).expect("serialize turn event");
     assert_eq!(payload["event_params"]["started_at"], json!(null));
     assert_eq!(payload["event_params"]["duration_ms"], json!(1234));
+    assert_eq!(payload["event_params"]["input_tokens"], json!(null));
+    assert_eq!(payload["event_params"]["cached_input_tokens"], json!(null));
+    assert_eq!(payload["event_params"]["output_tokens"], json!(null));
+    assert_eq!(
+        payload["event_params"]["reasoning_output_tokens"],
+        json!(null)
+    );
+    assert_eq!(payload["event_params"]["total_tokens"], json!(null));
 }
 
 fn sample_plugin_metadata() -> PluginTelemetryMetadata {
diff --git a/codex-rs/analytics/src/client.rs b/codex-rs/analytics/src/client.rs
index e61affe76c..41802bdb0e 100644
--- a/codex-rs/analytics/src/client.rs
+++ b/codex-rs/analytics/src/client.rs
@@ -14,6 +14,7 @@ use crate::facts::SkillInvokedInput;
 use crate::facts::SubAgentThreadStartedInput;
 use crate::facts::TrackEventsContext;
 use crate::facts::TurnResolvedConfigFact;
+use crate::facts::TurnTokenUsageFact;
 use crate::reducer::AnalyticsReducer;
 use codex_app_server_protocol::ClientRequest;
 use codex_app_server_protocol::ClientResponse;
@@ -196,6 +197,12 @@ impl AnalyticsEventsClient {
         ));
     }
 
+    pub fn track_turn_token_usage(&self, fact: TurnTokenUsageFact) {
+        self.record_fact(AnalyticsFact::Custom(CustomAnalyticsFact::TurnTokenUsage(
+            Box::new(fact),
+        )));
+    }
+
     pub fn track_plugin_installed(&self, plugin: PluginTelemetryMetadata) {
         self.record_fact(AnalyticsFact::Custom(
             CustomAnalyticsFact::PluginStateChanged(PluginStateChangedInput {
diff --git a/codex-rs/analytics/src/events.rs b/codex-rs/analytics/src/events.rs
index 1947fd506d..48914d9de9 100644
--- a/codex-rs/analytics/src/events.rs
+++ b/codex-rs/analytics/src/events.rs
@@ -156,6 +156,11 @@ pub(crate) struct CodexTurnEventParams {
     pub(crate) subagent_tool_call_count: Option<usize>,
     pub(crate) web_search_count: Option<usize>,
     pub(crate) image_generation_count: Option<usize>,
+    pub(crate) input_tokens: Option<i64>,
+    pub(crate) cached_input_tokens: Option<i64>,
+    pub(crate) output_tokens: Option<i64>,
+    pub(crate) reasoning_output_tokens: Option<i64>,
+    pub(crate) total_tokens: Option<i64>,
     pub(crate) duration_ms: Option<u64>,
     pub(crate) started_at: Option<u64>,
     pub(crate) completed_at: Option<u64>,
diff --git a/codex-rs/analytics/src/facts.rs b/codex-rs/analytics/src/facts.rs
index 136c7a325f..8b845dbdd2 100644
--- a/codex-rs/analytics/src/facts.rs
+++ b/codex-rs/analytics/src/facts.rs
@@ -16,6 +16,7 @@ use codex_protocol::protocol::AskForApproval;
 use codex_protocol::protocol::SandboxPolicy;
 use codex_protocol::protocol::SkillScope;
 use codex_protocol::protocol::SubAgentSource;
+use codex_protocol::protocol::TokenUsage;
 use serde::Serialize;
 use std::path::PathBuf;
 
@@ -65,6 +66,13 @@ pub struct TurnResolvedConfigFact {
     pub is_first_turn: bool,
 }
 
+#[derive(Clone)]
+pub struct TurnTokenUsageFact {
+    pub turn_id: String,
+    pub thread_id: String,
+    pub token_usage: TokenUsage,
+}
+
 #[derive(Clone, Copy, Debug, Serialize)]
 #[serde(rename_all = "snake_case")]
 pub enum TurnStatus {
@@ -133,6 +141,7 @@ pub(crate) enum AnalyticsFact {
 pub(crate) enum CustomAnalyticsFact {
     SubAgentThreadStarted(SubAgentThreadStartedInput),
     TurnResolvedConfig(Box<TurnResolvedConfigFact>),
+    TurnTokenUsage(Box<TurnTokenUsageFact>),
     SkillInvoked(SkillInvokedInput),
     AppMentioned(AppMentionedInput),
     AppUsed(AppUsedInput),
diff --git a/codex-rs/analytics/src/lib.rs b/codex-rs/analytics/src/lib.rs
index 3acf8198a1..bcd5216d20 100644
--- a/codex-rs/analytics/src/lib.rs
+++ b/codex-rs/analytics/src/lib.rs
@@ -12,6 +12,7 @@ pub use facts::SubAgentThreadStartedInput;
 pub use facts::TrackEventsContext;
 pub use facts::TurnResolvedConfigFact;
 pub use facts::TurnStatus;
+pub use facts::TurnTokenUsageFact;
 pub use facts::build_track_events_context;
 
 #[cfg(test)]
diff --git a/codex-rs/analytics/src/reducer.rs b/codex-rs/analytics/src/reducer.rs
index 80e6786af5..e24900ef04 100644
--- a/codex-rs/analytics/src/reducer.rs
+++ b/codex-rs/analytics/src/reducer.rs
@@ -30,6 +30,7 @@ use crate::facts::SkillInvokedInput;
 use crate::facts::SubAgentThreadStartedInput;
 use crate::facts::TurnResolvedConfigFact;
 use crate::facts::TurnStatus;
+use crate::facts::TurnTokenUsageFact;
 use codex_app_server_protocol::ClientRequest;
 use codex_app_server_protocol::ClientResponse;
 use codex_app_server_protocol::CodexErrorInfo;
@@ -46,6 +47,7 @@ use codex_protocol::config_types::ReasoningSummary;
 use codex_protocol::protocol::SandboxPolicy;
 use codex_protocol::protocol::SessionSource;
 use codex_protocol::protocol::SkillScope;
+use codex_protocol::protocol::TokenUsage;
 use sha1::Digest;
 use std::collections::HashMap;
 use std::path::Path;
@@ -85,6 +87,7 @@ struct TurnState {
     num_input_images: Option<usize>,
     resolved_config: Option<TurnResolvedConfigFact>,
     started_at: Option<u64>,
+    token_usage: Option<TokenUsage>,
     completed: Option<CompletedTurnState>,
 }
 
@@ -129,6 +132,9 @@ impl AnalyticsReducer {
                 CustomAnalyticsFact::TurnResolvedConfig(input) => {
                     self.ingest_turn_resolved_config(*input, out);
                 }
+                CustomAnalyticsFact::TurnTokenUsage(input) => {
+                    self.ingest_turn_token_usage(*input, out);
+                }
                 CustomAnalyticsFact::SkillInvoked(input) => {
                     self.ingest_skill_invoked(input, out).await;
                 }
@@ -221,6 +227,7 @@ impl AnalyticsReducer {
             num_input_images: None,
             resolved_config: None,
             started_at: None,
+            token_usage: None,
             completed: None,
         });
         turn_state.thread_id = Some(thread_id);
@@ -229,6 +236,26 @@ impl AnalyticsReducer {
         self.maybe_emit_turn_event(&turn_id, out);
     }
 
+    fn ingest_turn_token_usage(
+        &mut self,
+        input: TurnTokenUsageFact,
+        out: &mut Vec<TrackEventRequest>,
+    ) {
+        let turn_id = input.turn_id.clone();
+        let turn_state = self.turns.entry(turn_id.clone()).or_insert(TurnState {
+            connection_id: None,
+            thread_id: None,
+            num_input_images: None,
+            resolved_config: None,
+            started_at: None,
+            token_usage: None,
+            completed: None,
+        });
+        turn_state.thread_id = Some(input.thread_id);
+        turn_state.token_usage = Some(input.token_usage);
+        self.maybe_emit_turn_event(&turn_id, out);
+    }
+
     async fn ingest_skill_invoked(
         &mut self,
         input: SkillInvokedInput,
@@ -373,6 +400,7 @@ impl AnalyticsReducer {
                     num_input_images: None,
                     resolved_config: None,
                     started_at: None,
+                    token_usage: None,
                     completed: None,
                 });
                 turn_state.connection_id = Some(connection_id);
@@ -397,6 +425,7 @@ impl AnalyticsReducer {
                     num_input_images: None,
                     resolved_config: None,
                     started_at: None,
+                    token_usage: None,
                     completed: None,
                 });
                 turn_state.started_at = notification
@@ -414,6 +443,7 @@ impl AnalyticsReducer {
                             num_input_images: None,
                             resolved_config: None,
                             started_at: None,
+                            token_usage: None,
                             completed: None,
                         });
                 turn_state.completed = Some(CompletedTurnState {
@@ -532,6 +562,7 @@ fn codex_turn_event_params(
         personality,
         is_first_turn,
     } = resolved_config;
+    let token_usage = turn_state.token_usage.clone();
     CodexTurnEventParams {
         thread_id,
         turn_id,
@@ -563,6 +594,21 @@ fn codex_turn_event_params(
         subagent_tool_call_count: None,
         web_search_count: None,
         image_generation_count: None,
+        input_tokens: token_usage
+            .as_ref()
+            .map(|token_usage| token_usage.input_tokens),
+        cached_input_tokens: token_usage
+            .as_ref()
+            .map(|token_usage| token_usage.cached_input_tokens),
+        output_tokens: token_usage
+            .as_ref()
+            .map(|token_usage| token_usage.output_tokens),
+        reasoning_output_tokens: token_usage
+            .as_ref()
+            .map(|token_usage| token_usage.reasoning_output_tokens),
+        total_tokens: token_usage
+            .as_ref()
+            .map(|token_usage| token_usage.total_tokens),
         duration_ms: completed.duration_ms,
         started_at,
         completed_at: Some(completed.completed_at),
diff --git a/codex-rs/app-server/tests/suite/v2/turn_start.rs b/codex-rs/app-server/tests/suite/v2/turn_start.rs
index 4c6fc90bc0..3c7664656d 100644
--- a/codex-rs/app-server/tests/suite/v2/turn_start.rs
+++ b/codex-rs/app-server/tests/suite/v2/turn_start.rs
@@ -310,6 +310,11 @@ async fn turn_start_tracks_turn_event_analytics() -> Result<()> {
     assert!(event["event_params"]["started_at"].as_u64().is_some());
     assert!(event["event_params"]["completed_at"].as_u64().is_some());
     assert!(event["event_params"]["duration_ms"].as_u64().is_some());
+    assert_eq!(event["event_params"]["input_tokens"], 0);
+    assert_eq!(event["event_params"]["cached_input_tokens"], 0);
+    assert_eq!(event["event_params"]["output_tokens"], 0);
+    assert_eq!(event["event_params"]["reasoning_output_tokens"], 0);
+    assert_eq!(event["event_params"]["total_tokens"], 0);
 
     Ok(())
 }
diff --git a/codex-rs/core/src/tasks/mod.rs b/codex-rs/core/src/tasks/mod.rs
index 5da3650bf8..d246e69cac 100644
--- a/codex-rs/core/src/tasks/mod.rs
+++ b/codex-rs/core/src/tasks/mod.rs
@@ -30,6 +30,7 @@ use crate::hook_runtime::record_pending_input;
 use crate::state::ActiveTurn;
 use crate::state::RunningTask;
 use crate::state::TaskKind;
+use codex_analytics::TurnTokenUsageFact;
 use codex_login::AuthManager;
 use codex_models_manager::manager::ModelsManager;
 use codex_otel::SessionTelemetry;
@@ -485,6 +486,13 @@ impl Session {
                     - token_usage_at_turn_start.total_tokens)
                     .max(0),
             };
+            self.services
+                .analytics_events_client
+                .track_turn_token_usage(TurnTokenUsageFact {
+                    turn_id: turn_context.sub_id.clone(),
+                    thread_id: self.conversation_id.to_string(),
+                    token_usage: turn_token_usage.clone(),
+                });
             self.services.session_telemetry.histogram(
                 TURN_TOKEN_USAGE_METRIC,
                 turn_token_usage.total_tokens,