change api default model (#9188)

codex-rs/core/src/models_manager/manager.rs

@@ -29,7 +29,7 @@ use crate::models_manager::model_presets::builtin_model_presets;
 const MODEL_CACHE_FILE: &str = "models_cache.json";
 const DEFAULT_MODEL_CACHE_TTL: Duration = Duration::from_secs(300);
 const MODELS_REFRESH_TIMEOUT: Duration = Duration::from_secs(5);
-const OPENAI_DEFAULT_API_MODEL: &str = "gpt-5.1-codex-max";
+const OPENAI_DEFAULT_API_MODEL: &str = "gpt-5.2-codex";
 const OPENAI_DEFAULT_CHATGPT_MODEL: &str = "gpt-5.2-codex";
 const CODEX_AUTO_BALANCED_MODEL: &str = "codex-auto-balanced";
 

codex-rs/core/src/models_manager/model_presets.rs

@@ -39,7 +39,7 @@ static PRESETS: Lazy<Vec<ModelPreset>> = Lazy::new(|| {
             is_default: true,
             upgrade: None,
             show_in_picker: true,
-            supported_in_api: false,
+            supported_in_api: true,
         },
         ModelPreset {
             id: "gpt-5.1-codex-max".to_string(),