diff --git a/codex-rs/codex-backend-openapi-models/src/models/credit_status_details.rs b/codex-rs/codex-backend-openapi-models/src/models/credit_status_details.rs
new file mode 100644
index 000000000..d444a7a8d
--- /dev/null
+++ b/codex-rs/codex-backend-openapi-models/src/models/credit_status_details.rs
@@ -0,0 +1,49 @@
+/*
+ * codex-backend
+ *
+ * codex-backend
+ *
+ * The version of the OpenAPI document: 0.0.1
+ *
+ * Generated by: https://openapi-generator.tech
+ */
+use serde::Deserialize;
+use serde::Serialize;
+
+#[derive(Clone, Default, Debug, PartialEq, Serialize, Deserialize)]
+pub struct CreditStatusDetails {
+    #[serde(rename = "unlimited")]
+    pub unlimited: bool,
+    #[serde(
+        rename = "balance",
+        default,
+        with = "::serde_with::rust::double_option",
+        skip_serializing_if = "Option::is_none"
+    )]
+    pub balance: Option<Option<String>>,
+    #[serde(
+        rename = "approx_local_messages",
+        default,
+        with = "::serde_with::rust::double_option",
+        skip_serializing_if = "Option::is_none"
+    )]
+    pub approx_local_messages: Option<Option<Vec<serde_json::Value>>>,
+    #[serde(
+        rename = "approx_cloud_messages",
+        default,
+        with = "::serde_with::rust::double_option",
+        skip_serializing_if = "Option::is_none"
+    )]
+    pub approx_cloud_messages: Option<Option<Vec<serde_json::Value>>>,
+}
+
+impl CreditStatusDetails {
+    pub fn new(unlimited: bool) -> CreditStatusDetails {
+        CreditStatusDetails {
+            unlimited,
+            balance: None,
+            approx_local_messages: None,
+            approx_cloud_messages: None,
+        }
+    }
+}
diff --git a/codex-rs/codex-backend-openapi-models/src/models/mod.rs b/codex-rs/codex-backend-openapi-models/src/models/mod.rs
index 96348d72c..d76715492 100644
--- a/codex-rs/codex-backend-openapi-models/src/models/mod.rs
+++ b/codex-rs/codex-backend-openapi-models/src/models/mod.rs
@@ -32,3 +32,6 @@ pub use self::rate_limit_status_details::RateLimitStatusDetails;
 
 pub mod rate_limit_window_snapshot;
 pub use self::rate_limit_window_snapshot::RateLimitWindowSnapshot;
+
+pub mod credit_status_details;
+pub use self::credit_status_details::CreditStatusDetails;
diff --git a/codex-rs/codex-backend-openapi-models/src/models/rate_limit_status_payload.rs b/codex-rs/codex-backend-openapi-models/src/models/rate_limit_status_payload.rs
index d2af76f4d..0f5caf52f 100644
--- a/codex-rs/codex-backend-openapi-models/src/models/rate_limit_status_payload.rs
+++ b/codex-rs/codex-backend-openapi-models/src/models/rate_limit_status_payload.rs
@@ -23,6 +23,13 @@ pub struct RateLimitStatusPayload {
         skip_serializing_if = "Option::is_none"
     )]
     pub rate_limit: Option<Option<Box<models::RateLimitStatusDetails>>>,
+    #[serde(
+        rename = "credits",
+        default,
+        with = "::serde_with::rust::double_option",
+        skip_serializing_if = "Option::is_none"
+    )]
+    pub credits: Option<Option<Box<models::CreditStatusDetails>>>,
 }
 
 impl RateLimitStatusPayload {
@@ -30,12 +37,15 @@ impl RateLimitStatusPayload {
         RateLimitStatusPayload {
             plan_type,
             rate_limit: None,
+            credits: None,
         }
     }
 }
 
 #[derive(Clone, Copy, Debug, Eq, PartialEq, Ord, PartialOrd, Hash, Serialize, Deserialize)]
 pub enum PlanType {
+    #[serde(rename = "guest")]
+    Guest,
     #[serde(rename = "free")]
     Free,
     #[serde(rename = "go")]
@@ -44,6 +54,8 @@ pub enum PlanType {
     Plus,
     #[serde(rename = "pro")]
     Pro,
+    #[serde(rename = "free_workspace")]
+    FreeWorkspace,
     #[serde(rename = "team")]
     Team,
     #[serde(rename = "business")]
@@ -52,6 +64,8 @@ pub enum PlanType {
     Education,
     #[serde(rename = "quorum")]
     Quorum,
+    #[serde(rename = "k12")]
+    K12,
     #[serde(rename = "enterprise")]
     Enterprise,
     #[serde(rename = "edu")]
@@ -60,6 +74,6 @@ pub enum PlanType {
 
 impl Default for PlanType {
     fn default() -> PlanType {
-        Self::Free
+        Self::Guest
     }
 }
diff --git a/codex-rs/codex-backend-openapi-models/src/models/rate_limit_window_snapshot.rs b/codex-rs/codex-backend-openapi-models/src/models/rate_limit_window_snapshot.rs
index 4fc04f4be..b2a6c0c22 100644
--- a/codex-rs/codex-backend-openapi-models/src/models/rate_limit_window_snapshot.rs
+++ b/codex-rs/codex-backend-openapi-models/src/models/rate_limit_window_snapshot.rs
@@ -7,7 +7,6 @@
  *
  * Generated by: https://openapi-generator.tech
  */
-
 use serde::Deserialize;
 use serde::Serialize;