diff --git a/codex-rs/app-server-protocol/schema/json/ServerNotification.json b/codex-rs/app-server-protocol/schema/json/ServerNotification.json
index 5d7c1549a..c3ab83766 100644
--- a/codex-rs/app-server-protocol/schema/json/ServerNotification.json
+++ b/codex-rs/app-server-protocol/schema/json/ServerNotification.json
@@ -2010,6 +2010,7 @@
         "go",
         "plus",
         "pro",
+        "prolite",
         "team",
         "self_serve_business_usage_based",
         "business",
diff --git a/codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.schemas.json b/codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.schemas.json
index 2c575202e..dd839cd58 100644
--- a/codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.schemas.json
+++ b/codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.schemas.json
@@ -9924,6 +9924,7 @@
           "go",
           "plus",
           "pro",
+          "prolite",
           "team",
           "self_serve_business_usage_based",
           "business",
diff --git a/codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.v2.schemas.json b/codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.v2.schemas.json
index 56497c786..66b91082e 100644
--- a/codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.v2.schemas.json
+++ b/codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.v2.schemas.json
@@ -6720,6 +6720,7 @@
         "go",
         "plus",
         "pro",
+        "prolite",
         "team",
         "self_serve_business_usage_based",
         "business",
diff --git a/codex-rs/app-server-protocol/schema/json/v2/AccountRateLimitsUpdatedNotification.json b/codex-rs/app-server-protocol/schema/json/v2/AccountRateLimitsUpdatedNotification.json
index d1812f069..67a5f055b 100644
--- a/codex-rs/app-server-protocol/schema/json/v2/AccountRateLimitsUpdatedNotification.json
+++ b/codex-rs/app-server-protocol/schema/json/v2/AccountRateLimitsUpdatedNotification.json
@@ -28,6 +28,7 @@
         "go",
         "plus",
         "pro",
+        "prolite",
         "team",
         "self_serve_business_usage_based",
         "business",
diff --git a/codex-rs/app-server-protocol/schema/json/v2/AccountUpdatedNotification.json b/codex-rs/app-server-protocol/schema/json/v2/AccountUpdatedNotification.json
index f2cf7cb3a..64109ca2a 100644
--- a/codex-rs/app-server-protocol/schema/json/v2/AccountUpdatedNotification.json
+++ b/codex-rs/app-server-protocol/schema/json/v2/AccountUpdatedNotification.json
@@ -33,6 +33,7 @@
         "go",
         "plus",
         "pro",
+        "prolite",
         "team",
         "self_serve_business_usage_based",
         "business",
diff --git a/codex-rs/app-server-protocol/schema/json/v2/GetAccountRateLimitsResponse.json b/codex-rs/app-server-protocol/schema/json/v2/GetAccountRateLimitsResponse.json
index 23f7d3cfd..2d34ee47d 100644
--- a/codex-rs/app-server-protocol/schema/json/v2/GetAccountRateLimitsResponse.json
+++ b/codex-rs/app-server-protocol/schema/json/v2/GetAccountRateLimitsResponse.json
@@ -28,6 +28,7 @@
         "go",
         "plus",
         "pro",
+        "prolite",
         "team",
         "self_serve_business_usage_based",
         "business",
diff --git a/codex-rs/app-server-protocol/schema/json/v2/GetAccountResponse.json b/codex-rs/app-server-protocol/schema/json/v2/GetAccountResponse.json
index acaa77918..853492715 100644
--- a/codex-rs/app-server-protocol/schema/json/v2/GetAccountResponse.json
+++ b/codex-rs/app-server-protocol/schema/json/v2/GetAccountResponse.json
@@ -51,6 +51,7 @@
         "go",
         "plus",
         "pro",
+        "prolite",
         "team",
         "self_serve_business_usage_based",
         "business",
diff --git a/codex-rs/app-server-protocol/schema/typescript/PlanType.ts b/codex-rs/app-server-protocol/schema/typescript/PlanType.ts
index ad5bcab38..44891467e 100644
--- a/codex-rs/app-server-protocol/schema/typescript/PlanType.ts
+++ b/codex-rs/app-server-protocol/schema/typescript/PlanType.ts
@@ -2,4 +2,4 @@
 
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
 
-export type PlanType = "free" | "go" | "plus" | "pro" | "team" | "self_serve_business_usage_based" | "business" | "enterprise_cbp_usage_based" | "enterprise" | "edu" | "unknown";
+export type PlanType = "free" | "go" | "plus" | "pro" | "prolite" | "team" | "self_serve_business_usage_based" | "business" | "enterprise_cbp_usage_based" | "enterprise" | "edu" | "unknown";
diff --git a/codex-rs/backend-client/src/client.rs b/codex-rs/backend-client/src/client.rs
index 6049c1697..20baa1cfe 100644
--- a/codex-rs/backend-client/src/client.rs
+++ b/codex-rs/backend-client/src/client.rs
@@ -473,6 +473,7 @@ impl Client {
             crate::types::PlanType::Go => AccountPlanType::Go,
             crate::types::PlanType::Plus => AccountPlanType::Plus,
             crate::types::PlanType::Pro => AccountPlanType::Pro,
+            crate::types::PlanType::ProLite => AccountPlanType::ProLite,
             crate::types::PlanType::Team => AccountPlanType::Team,
             crate::types::PlanType::SelfServeBusinessUsageBased => {
                 AccountPlanType::SelfServeBusinessUsageBased
@@ -486,7 +487,8 @@ impl Client {
             crate::types::PlanType::Guest
             | crate::types::PlanType::FreeWorkspace
             | crate::types::PlanType::Quorum
-            | crate::types::PlanType::K12 => AccountPlanType::Unknown,
+            | crate::types::PlanType::K12
+            | crate::types::PlanType::Unknown => AccountPlanType::Unknown,
         }
     }
 
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 300674357..4d9ec1e36 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
@@ -65,6 +65,8 @@ pub enum PlanType {
     Plus,
     #[serde(rename = "pro")]
     Pro,
+    #[serde(rename = "prolite")]
+    ProLite,
     #[serde(rename = "free_workspace")]
     FreeWorkspace,
     #[serde(rename = "team")]
@@ -85,4 +87,6 @@ pub enum PlanType {
     Enterprise,
     #[serde(rename = "edu")]
     Edu,
+    #[serde(rename = "unknown", other)]
+    Unknown,
 }
diff --git a/codex-rs/login/src/auth/manager.rs b/codex-rs/login/src/auth/manager.rs
index 71857c970..15b129a16 100644
--- a/codex-rs/login/src/auth/manager.rs
+++ b/codex-rs/login/src/auth/manager.rs
@@ -314,6 +314,7 @@ impl CodexAuth {
             InternalKnownPlan::Go => AccountPlanType::Go,
             InternalKnownPlan::Plus => AccountPlanType::Plus,
             InternalKnownPlan::Pro => AccountPlanType::Pro,
+            InternalKnownPlan::ProLite => AccountPlanType::ProLite,
             InternalKnownPlan::Team => AccountPlanType::Team,
             InternalKnownPlan::SelfServeBusinessUsageBased => {
                 AccountPlanType::SelfServeBusinessUsageBased
diff --git a/codex-rs/login/src/token_data_tests.rs b/codex-rs/login/src/token_data_tests.rs
index be160ecd6..aeb55ffb9 100644
--- a/codex-rs/login/src/token_data_tests.rs
+++ b/codex-rs/login/src/token_data_tests.rs
@@ -153,4 +153,10 @@ fn workspace_account_detection_matches_workspace_plans() {
         ..IdTokenInfo::default()
     };
     assert_eq!(personal.is_workspace_account(), false);
+
+    let personal = IdTokenInfo {
+        chatgpt_plan_type: Some(PlanType::Known(KnownPlan::ProLite)),
+        ..IdTokenInfo::default()
+    };
+    assert_eq!(personal.is_workspace_account(), false);
 }
diff --git a/codex-rs/protocol/src/account.rs b/codex-rs/protocol/src/account.rs
index e9f2fc9ec..bb46329a5 100644
--- a/codex-rs/protocol/src/account.rs
+++ b/codex-rs/protocol/src/account.rs
@@ -12,6 +12,7 @@ pub enum PlanType {
     Go,
     Plus,
     Pro,
+    ProLite,
     Team,
     #[serde(rename = "self_serve_business_usage_based")]
     #[ts(rename = "self_serve_business_usage_based")]
@@ -53,11 +54,19 @@ mod tests {
                 .expect("enterprise cbp usage based should serialize"),
             "\"enterprise_cbp_usage_based\""
         );
+        assert_eq!(
+            serde_json::to_string(&PlanType::ProLite).expect("prolite should serialize"),
+            "\"prolite\""
+        );
         assert_eq!(
             serde_json::from_str::<PlanType>("\"self_serve_business_usage_based\"")
                 .expect("self-serve business usage based should deserialize"),
             PlanType::SelfServeBusinessUsageBased
         );
+        assert_eq!(
+            serde_json::from_str::<PlanType>("\"prolite\"").expect("prolite should deserialize"),
+            PlanType::ProLite
+        );
         assert_eq!(
             serde_json::from_str::<PlanType>("\"enterprise_cbp_usage_based\"")
                 .expect("enterprise cbp usage based should deserialize"),
diff --git a/codex-rs/protocol/src/auth.rs b/codex-rs/protocol/src/auth.rs
index 11455ec90..99e067bf2 100644
--- a/codex-rs/protocol/src/auth.rs
+++ b/codex-rs/protocol/src/auth.rs
@@ -16,6 +16,7 @@ impl PlanType {
             "go" => Self::Known(KnownPlan::Go),
             "plus" => Self::Known(KnownPlan::Plus),
             "pro" => Self::Known(KnownPlan::Pro),
+            "prolite" => Self::Known(KnownPlan::ProLite),
             "team" => Self::Known(KnownPlan::Team),
             "self_serve_business_usage_based" => {
                 Self::Known(KnownPlan::SelfServeBusinessUsageBased)
@@ -36,6 +37,7 @@ pub enum KnownPlan {
     Go,
     Plus,
     Pro,
+    ProLite,
     Team,
     #[serde(rename = "self_serve_business_usage_based")]
     SelfServeBusinessUsageBased,
@@ -54,6 +56,7 @@ impl KnownPlan {
             Self::Go => "Go",
             Self::Plus => "Plus",
             Self::Pro => "Pro",
+            Self::ProLite => "Pro Lite",
             Self::Team => "Team",
             Self::SelfServeBusinessUsageBased => "Self Serve Business Usage Based",
             Self::Business => "Business",
@@ -69,6 +72,7 @@ impl KnownPlan {
             Self::Go => "go",
             Self::Plus => "plus",
             Self::Pro => "pro",
+            Self::ProLite => "prolite",
             Self::Team => "team",
             Self::SelfServeBusinessUsageBased => "self_serve_business_usage_based",
             Self::Business => "business",
diff --git a/codex-rs/protocol/src/error.rs b/codex-rs/protocol/src/error.rs
index 3ffdeb48e..f421db8af 100644
--- a/codex-rs/protocol/src/error.rs
+++ b/codex-rs/protocol/src/error.rs
@@ -493,7 +493,7 @@ impl std::fmt::Display for UsageLimitReachedError {
                     retry_suffix_after_or(self.resets_at.as_ref())
                 )
             }
-            Some(PlanType::Known(KnownPlan::Pro)) => format!(
+            Some(PlanType::Known(KnownPlan::Pro | KnownPlan::ProLite)) => format!(
                 "You've hit your usage limit. Visit https://chatgpt.com/codex/settings/usage to purchase more credits{}",
                 retry_suffix_after_or(self.resets_at.as_ref())
             ),
diff --git a/codex-rs/tui/src/status/helpers.rs b/codex-rs/tui/src/status/helpers.rs
index 5103b9e4d..ef28ed7fc 100644
--- a/codex-rs/tui/src/status/helpers.rs
+++ b/codex-rs/tui/src/status/helpers.rs
@@ -100,6 +100,8 @@ pub(crate) fn plan_type_display_name(plan_type: PlanType) -> String {
         "Business".to_string()
     } else if plan_type.is_business_like() {
         "Enterprise".to_string()
+    } else if plan_type == PlanType::ProLite {
+        "Pro Lite".to_string()
     } else {
         title_case(format!("{plan_type:?}").as_str())
     }
@@ -216,6 +218,7 @@ mod tests {
             (PlanType::Go, "Go"),
             (PlanType::Plus, "Plus"),
             (PlanType::Pro, "Pro"),
+            (PlanType::ProLite, "Pro Lite"),
             (PlanType::Team, "Business"),
             (PlanType::SelfServeBusinessUsageBased, "Business"),
             (PlanType::Business, "Enterprise"),
diff --git a/codex-rs/tui/src/tooltips.rs b/codex-rs/tui/src/tooltips.rs
index 9565831b2..8f6d5ba1a 100644
--- a/codex-rs/tui/src/tooltips.rs
+++ b/codex-rs/tui/src/tooltips.rs
@@ -61,7 +61,7 @@ pub(crate) fn get_tooltip(plan: Option<PlanType>, fast_mode_enabled: bool) -> Op
             Some(plan_type)
                 if matches!(
                     plan_type,
-                    PlanType::Plus | PlanType::Enterprise | PlanType::Pro
+                    PlanType::Plus | PlanType::Enterprise | PlanType::Pro | PlanType::ProLite
                 ) || plan_type.is_team_like()
                     || plan_type.is_business_like() =>
             {