diff --git a/frontend/src/components/keys/UseKeyModal.vue b/frontend/src/components/keys/UseKeyModal.vue
index a61ce6b4..5ae2fa3f 100644
--- a/frontend/src/components/keys/UseKeyModal.vue
+++ b/frontend/src/components/keys/UseKeyModal.vue
@@ -512,12 +512,14 @@ function generateOpenAIFiles(baseUrl: string, apiKey: string): FileConfig[] {
 
   // config.toml content
   const configContent = `model_provider = "OpenAI"
-model = "gpt-5.3-codex"
-review_model = "gpt-5.3-codex"
-model_reasoning_effort = "xhigh"
+model = "gpt-5.4"
+review_model = "gpt-5.4"
+model_reasoning_effort = "high"
 disable_response_storage = true
 network_access = "enabled"
 windows_wsl_setup_acknowledged = true
+model_context_window = 1000000
+model_auto_compact_token_limit = 900000
 
 [model_providers.OpenAI]
 name = "OpenAI"
@@ -549,12 +551,14 @@ function generateOpenAIWsFiles(baseUrl: string, apiKey: string): FileConfig[] {
 
   // config.toml content with WebSocket v2
   const configContent = `model_provider = "OpenAI"
-model = "gpt-5.3-codex"
-review_model = "gpt-5.3-codex"
-model_reasoning_effort = "xhigh"
+model = "gpt-5.4"
+review_model = "gpt-5.4"
+model_reasoning_effort = "high"
 disable_response_storage = true
 network_access = "enabled"
 windows_wsl_setup_acknowledged = true
+model_context_window = 1000000
+model_auto_compact_token_limit = 900000
 
 [model_providers.OpenAI]
 name = "OpenAI"