diff --git a/codex-rs/app-server-protocol/schema/json/ServerNotification.json b/codex-rs/app-server-protocol/schema/json/ServerNotification.json
index aedc6f44cf..27c71f2566 100644
--- a/codex-rs/app-server-protocol/schema/json/ServerNotification.json
+++ b/codex-rs/app-server-protocol/schema/json/ServerNotification.json
@@ -3327,6 +3327,7 @@
         "plus",
         "pro",
         "prolite",
+        "promax",
         "team",
         "self_serve_business_prolite",
         "self_serve_business_usage_based",
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 9fc6373c67..c71e33e66a 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
@@ -16235,6 +16235,7 @@
           "plus",
           "pro",
           "prolite",
+          "promax",
           "team",
           "self_serve_business_prolite",
           "self_serve_business_usage_based",
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 887dd47583..ff1a9ed1fc 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
@@ -12267,6 +12267,7 @@
         "plus",
         "pro",
         "prolite",
+        "promax",
         "team",
         "self_serve_business_prolite",
         "self_serve_business_usage_based",
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 1f5c3ccabd..9eae3d95cc 100644
--- a/codex-rs/app-server-protocol/schema/json/v2/AccountRateLimitsUpdatedNotification.json
+++ b/codex-rs/app-server-protocol/schema/json/v2/AccountRateLimitsUpdatedNotification.json
@@ -29,6 +29,7 @@
         "plus",
         "pro",
         "prolite",
+        "promax",
         "team",
         "self_serve_business_prolite",
         "self_serve_business_usage_based",
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 c4d6bc9e09..7ade554a7a 100644
--- a/codex-rs/app-server-protocol/schema/json/v2/AccountUpdatedNotification.json
+++ b/codex-rs/app-server-protocol/schema/json/v2/AccountUpdatedNotification.json
@@ -69,6 +69,7 @@
         "plus",
         "pro",
         "prolite",
+        "promax",
         "team",
         "self_serve_business_prolite",
         "self_serve_business_usage_based",
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 b949ebc32d..785596cc04 100644
--- a/codex-rs/app-server-protocol/schema/json/v2/GetAccountRateLimitsResponse.json
+++ b/codex-rs/app-server-protocol/schema/json/v2/GetAccountRateLimitsResponse.json
@@ -29,6 +29,7 @@
         "plus",
         "pro",
         "prolite",
+        "promax",
         "team",
         "self_serve_business_prolite",
         "self_serve_business_usage_based",
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 4613d90f4f..e21145ee78 100644
--- a/codex-rs/app-server-protocol/schema/json/v2/GetAccountResponse.json
+++ b/codex-rs/app-server-protocol/schema/json/v2/GetAccountResponse.json
@@ -84,6 +84,7 @@
         "plus",
         "pro",
         "prolite",
+        "promax",
         "team",
         "self_serve_business_prolite",
         "self_serve_business_usage_based",
diff --git a/codex-rs/app-server-protocol/schema/precomputed/app-server-exports-experimental.json.zst b/codex-rs/app-server-protocol/schema/precomputed/app-server-exports-experimental.json.zst
index 07f3a62e3d..4d7b29652b 100644
Binary files a/codex-rs/app-server-protocol/schema/precomputed/app-server-exports-experimental.json.zst and b/codex-rs/app-server-protocol/schema/precomputed/app-server-exports-experimental.json.zst differ
diff --git a/codex-rs/app-server-protocol/schema/precomputed/app-server-exports-stable.json.zst b/codex-rs/app-server-protocol/schema/precomputed/app-server-exports-stable.json.zst
index cdc852f453..003f33db9e 100644
Binary files a/codex-rs/app-server-protocol/schema/precomputed/app-server-exports-stable.json.zst and b/codex-rs/app-server-protocol/schema/precomputed/app-server-exports-stable.json.zst differ
diff --git a/codex-rs/app-server-protocol/schema/typescript/PlanType.ts b/codex-rs/app-server-protocol/schema/typescript/PlanType.ts
index 3f27f24052..b1fce3d953 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" | "prolite" | "team" | "self_serve_business_prolite" | "self_serve_business_usage_based" | "business" | "ent26" | "enterprise_cbp_automation" | "enterprise_cbp_usage_based" | "enterprise" | "edu" | "edu_plus" | "edu_pro" | "unknown";
+export type PlanType = "free" | "go" | "plus" | "pro" | "prolite" | "promax" | "team" | "self_serve_business_prolite" | "self_serve_business_usage_based" | "business" | "ent26" | "enterprise_cbp_automation" | "enterprise_cbp_usage_based" | "enterprise" | "edu" | "edu_plus" | "edu_pro" | "unknown";
diff --git a/codex-rs/app-server/tests/suite/v2/account.rs b/codex-rs/app-server/tests/suite/v2/account.rs
index 590b2dc543..b2d9e51425 100644
--- a/codex-rs/app-server/tests/suite/v2/account.rs
+++ b/codex-rs/app-server/tests/suite/v2/account.rs
@@ -3279,6 +3279,7 @@ async fn get_account_with_chatgpt() -> Result<()> {
     Ok(())
 }
 
+#[test_case("promax", AccountPlanType::ProMax; "pro_max")]
 #[test_case("self_serve_business_prolite", AccountPlanType::SelfServeBusinessProLite; "business_prolite")]
 #[test_case("edu_plus", AccountPlanType::EduPlus; "edu_plus")]
 #[test_case("edu_pro", AccountPlanType::EduPro; "edu_pro")]
diff --git a/codex-rs/app-server/tests/suite/v2/rate_limits.rs b/codex-rs/app-server/tests/suite/v2/rate_limits.rs
index ab29fe850f..8c53a4af9e 100644
--- a/codex-rs/app-server/tests/suite/v2/rate_limits.rs
+++ b/codex-rs/app-server/tests/suite/v2/rate_limits.rs
@@ -98,6 +98,7 @@ async fn get_account_rate_limits_requires_chatgpt_auth() -> Result<()> {
 }
 
 #[test_case("enterprise_cbp_automation", AccountPlanType::EnterpriseCbpAutomation; "enterprise_automation")]
+#[test_case("promax", AccountPlanType::ProMax; "pro_max")]
 #[test_case("edu_plus", AccountPlanType::EduPlus; "edu_plus")]
 #[test_case("edu_pro", AccountPlanType::EduPro; "edu_pro")]
 #[tokio::test]
diff --git a/codex-rs/backend-client/src/client.rs b/codex-rs/backend-client/src/client.rs
index 48da6b0b66..54bf0ff48d 100644
--- a/codex-rs/backend-client/src/client.rs
+++ b/codex-rs/backend-client/src/client.rs
@@ -781,6 +781,7 @@ impl Client {
             crate::types::PlanType::Plus => AccountPlanType::Plus,
             crate::types::PlanType::Pro => AccountPlanType::Pro,
             crate::types::PlanType::ProLite => AccountPlanType::ProLite,
+            crate::types::PlanType::ProMax => AccountPlanType::ProMax,
             crate::types::PlanType::Team => AccountPlanType::Team,
             crate::types::PlanType::SelfServeBusinessProLite => {
                 AccountPlanType::SelfServeBusinessProLite
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 81f89edbb8..6062257651 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
@@ -108,6 +108,8 @@ pub enum PlanType {
     Pro,
     #[serde(rename = "prolite")]
     ProLite,
+    #[serde(rename = "promax")]
+    ProMax,
     #[serde(rename = "free_workspace")]
     FreeWorkspace,
     #[serde(rename = "team")]
diff --git a/codex-rs/core/src/session/token_budget.rs b/codex-rs/core/src/session/token_budget.rs
index b56e21c43a..eebf9e1c8f 100644
--- a/codex-rs/core/src/session/token_budget.rs
+++ b/codex-rs/core/src/session/token_budget.rs
@@ -14,7 +14,7 @@ fn experimental_context_is_eligible(auth_mode: AuthMode, plan_type: Option<PlanT
     auth_mode == AuthMode::Chatgpt
         && matches!(
             plan_type,
-            Some(PlanType::Plus | PlanType::Pro | PlanType::ProLite)
+            Some(PlanType::Plus | PlanType::Pro | PlanType::ProLite | PlanType::ProMax)
         )
 }
 
@@ -235,6 +235,7 @@ mod tests {
             (AuthMode::Chatgpt, PlanType::Plus, true),
             (AuthMode::Chatgpt, PlanType::Pro, true),
             (AuthMode::Chatgpt, PlanType::ProLite, true),
+            (AuthMode::Chatgpt, PlanType::ProMax, true),
             (AuthMode::Chatgpt, PlanType::Free, false),
             (AuthMode::Chatgpt, PlanType::Enterprise, false),
             (AuthMode::ApiKey, PlanType::Pro, false),
diff --git a/codex-rs/login/src/token_data_tests.rs b/codex-rs/login/src/token_data_tests.rs
index 8f4debcd9d..dc88aa648d 100644
--- a/codex-rs/login/src/token_data_tests.rs
+++ b/codex-rs/login/src/token_data_tests.rs
@@ -37,7 +37,7 @@ fn id_token_info_parses_email_and_plan() {
 
     let info = parse_chatgpt_jwt_claims(&fake_jwt).expect("should parse");
     assert_eq!(info.email.as_deref(), Some("user@example.com"));
-    assert_eq!(info.get_chatgpt_plan_type().as_deref(), Some("Pro"));
+    assert_eq!(info.get_chatgpt_plan_type().as_deref(), Some("Pro (More)"));
 }
 
 #[test]
diff --git a/codex-rs/protocol/src/account.rs b/codex-rs/protocol/src/account.rs
index d9aa9ebf57..64705390ef 100644
--- a/codex-rs/protocol/src/account.rs
+++ b/codex-rs/protocol/src/account.rs
@@ -16,6 +16,7 @@ pub enum PlanType {
     Plus,
     Pro,
     ProLite,
+    ProMax,
     Team,
     #[serde(rename = "self_serve_business_prolite")]
     #[ts(rename = "self_serve_business_prolite")]
@@ -104,6 +105,7 @@ impl From<KnownPlan> for PlanType {
             KnownPlan::Plus => Self::Plus,
             KnownPlan::Pro => Self::Pro,
             KnownPlan::ProLite => Self::ProLite,
+            KnownPlan::ProMax => Self::ProMax,
             KnownPlan::Team => Self::Team,
             KnownPlan::SelfServeBusinessProLite => Self::SelfServeBusinessProLite,
             KnownPlan::SelfServeBusinessUsageBased => Self::SelfServeBusinessUsageBased,
diff --git a/codex-rs/protocol/src/auth.rs b/codex-rs/protocol/src/auth.rs
index 5f7debc617..38cfeb15db 100644
--- a/codex-rs/protocol/src/auth.rs
+++ b/codex-rs/protocol/src/auth.rs
@@ -78,6 +78,7 @@ impl PlanType {
             "plus" => Self::Known(KnownPlan::Plus),
             "pro" => Self::Known(KnownPlan::Pro),
             "prolite" => Self::Known(KnownPlan::ProLite),
+            "promax" => Self::Known(KnownPlan::ProMax),
             "team" => Self::Known(KnownPlan::Team),
             "self_serve_business_prolite" => Self::Known(KnownPlan::SelfServeBusinessProLite),
             "self_serve_business_usage_based" => {
@@ -104,6 +105,7 @@ pub enum KnownPlan {
     Plus,
     Pro,
     ProLite,
+    ProMax,
     Team,
     #[serde(rename = "self_serve_business_prolite")]
     SelfServeBusinessProLite,
@@ -131,8 +133,9 @@ impl KnownPlan {
             Self::Free => "Free",
             Self::Go => "Go",
             Self::Plus => "Plus",
-            Self::Pro => "Pro",
-            Self::ProLite => "Pro Lite",
+            Self::Pro => "Pro (More)",
+            Self::ProLite => "Pro",
+            Self::ProMax => "Pro (Max)",
             Self::Team => "Team",
             Self::SelfServeBusinessProLite => "Self Serve Business ProLite",
             Self::SelfServeBusinessUsageBased => "Self Serve Business Usage Based",
@@ -154,6 +157,7 @@ impl KnownPlan {
             Self::Plus => "plus",
             Self::Pro => "pro",
             Self::ProLite => "prolite",
+            Self::ProMax => "promax",
             Self::Team => "team",
             Self::SelfServeBusinessProLite => "self_serve_business_prolite",
             Self::SelfServeBusinessUsageBased => "self_serve_business_usage_based",
@@ -233,6 +237,7 @@ mod tests {
             PlanType::Known(KnownPlan::EnterpriseCbpAutomation)
         );
         for (raw, known) in [
+            ("promax", KnownPlan::ProMax),
             ("edu_plus", KnownPlan::EduPlus),
             ("edu_pro", KnownPlan::EduPro),
         ] {
diff --git a/codex-rs/protocol/src/error.rs b/codex-rs/protocol/src/error.rs
index 9838a50a37..9cb401f29f 100644
--- a/codex-rs/protocol/src/error.rs
+++ b/codex-rs/protocol/src/error.rs
@@ -766,10 +766,12 @@ impl std::fmt::Display for UsageLimitReachedError {
                     retry_suffix_after_or(self.resets_at.as_ref())
                 )
             }
-            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())
-            ),
+            Some(PlanType::Known(KnownPlan::Pro | KnownPlan::ProLite | KnownPlan::ProMax)) => {
+                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())
+                )
+            }
             Some(PlanType::Known(
                 KnownPlan::Enterprise | KnownPlan::Edu | KnownPlan::EduPlus | KnownPlan::EduPro,
             )) => format!(
diff --git a/codex-rs/tui/src/analytics/render.rs b/codex-rs/tui/src/analytics/render.rs
index 294fc638fb..5d3bb7cb1b 100644
--- a/codex-rs/tui/src/analytics/render.rs
+++ b/codex-rs/tui/src/analytics/render.rs
@@ -108,8 +108,9 @@ impl AnalyticsView {
                 PlanType::Free => "Free",
                 PlanType::Go => "Go",
                 PlanType::Plus => "Plus",
-                PlanType::Pro => "Pro",
-                PlanType::ProLite => "Pro Lite",
+                PlanType::Pro => "Pro (More)",
+                PlanType::ProLite => "Pro",
+                PlanType::ProMax => "Pro (Max)",
                 PlanType::Team
                 | PlanType::Business
                 | PlanType::SelfServeBusinessProLite
diff --git a/codex-rs/tui/src/analytics/summary_panel.rs b/codex-rs/tui/src/analytics/summary_panel.rs
index 121d383e87..a8d25f7571 100644
--- a/codex-rs/tui/src/analytics/summary_panel.rs
+++ b/codex-rs/tui/src/analytics/summary_panel.rs
@@ -62,8 +62,9 @@ impl AnalyticsView {
                 PlanType::Free => "Free",
                 PlanType::Go => "Go",
                 PlanType::Plus => "Plus",
-                PlanType::Pro => "Pro",
-                PlanType::ProLite => "Pro Lite",
+                PlanType::Pro => "Pro (More)",
+                PlanType::ProLite => "Pro",
+                PlanType::ProMax => "Pro (Max)",
                 PlanType::Team
                 | PlanType::Business
                 | PlanType::SelfServeBusinessProLite
diff --git a/codex-rs/tui/src/status/helpers.rs b/codex-rs/tui/src/status/helpers.rs
index 48023dc962..0bdd688d84 100644
--- a/codex-rs/tui/src/status/helpers.rs
+++ b/codex-rs/tui/src/status/helpers.rs
@@ -106,8 +106,12 @@ 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::Pro {
+        "Pro (More)".to_string()
+    } else if plan_type == PlanType::ProMax {
+        "Pro (Max)".to_string()
     } else if plan_type == PlanType::ProLite {
-        "Pro Lite".to_string()
+        "Pro".to_string()
     } else if plan_type == PlanType::EduPlus {
         "Edu Plus".to_string()
     } else if plan_type == PlanType::EduPro {
@@ -229,8 +233,9 @@ mod tests {
             (PlanType::Free, "Free"),
             (PlanType::Go, "Go"),
             (PlanType::Plus, "Plus"),
-            (PlanType::Pro, "Pro"),
-            (PlanType::ProLite, "Pro Lite"),
+            (PlanType::Pro, "Pro (More)"),
+            (PlanType::ProLite, "Pro"),
+            (PlanType::ProMax, "Pro (Max)"),
             (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 fddd6d9b12..7dff716092 100644
--- a/codex-rs/tui/src/tooltips.rs
+++ b/codex-rs/tui/src/tooltips.rs
@@ -94,7 +94,11 @@ pub(crate) fn preferred_tooltip<R: Rng + ?Sized>(
             Some(plan_type)
                 if matches!(
                     plan_type,
-                    PlanType::Plus | PlanType::Enterprise | PlanType::Pro | PlanType::ProLite
+                    PlanType::Plus
+                        | PlanType::Enterprise
+                        | PlanType::Pro
+                        | PlanType::ProLite
+                        | PlanType::ProMax
                 ) || plan_type.is_team_like()
                     || plan_type.is_business_like() =>
             {
diff --git a/sdk/python/src/openai_codex/generated/v2_all.py b/sdk/python/src/openai_codex/generated/v2_all.py
index 4dd9a70968..4685b97762 100644
--- a/sdk/python/src/openai_codex/generated/v2_all.py
+++ b/sdk/python/src/openai_codex/generated/v2_all.py
@@ -3096,6 +3096,7 @@ class PlanType(str, Enum):
     plus = "plus"
     pro = "pro"
     prolite = "prolite"
+    promax = "promax"
     team = "team"
     self_serve_business_prolite = "self_serve_business_prolite"
     self_serve_business_usage_based = "self_serve_business_usage_based"