Honor ChatGPT model maximum context windows

2026-08-31 00:10:45 -05:00
parent 1c7d3c175d
commit 4a3a6c7848
2 changed files with 16 additions and 2 deletions
@@ -2742,7 +2742,15 @@ fn openai_model_context_window(
        is_configurable: max_context_size > default_context_size,
        min: default_context_size,
        max: max_context_size,
-        default_max: default_context_size,
+        // ChatGPT's catalog exposes `context_window` as the effective window
+        // and `max_context_window` as the model's actual maximum. Use the
+        // latter as the default so model refreshes do not reset the profile
+        // to the smaller effective window (for example, 272k).
+        default_max: if provider_kind == OpenAIProviderKind::ChatGPTSubscription {
+            max_context_size
+        } else {
+            default_context_size
+        },
    }
 }