diff --git a/src/cli/model-fallback.ts b/src/cli/model-fallback.ts
index 1f2515b4a..f0b044978 100644
--- a/src/cli/model-fallback.ts
+++ b/src/cli/model-fallback.ts
@@ -19,7 +19,7 @@ export type { GeneratedOmoConfig } from "./model-fallback-types"
 
 const ZAI_MODEL = "zai-coding-plan/glm-4.7"
 
-const ULTIMATE_FALLBACK = "opencode/glm-4.7-free"
+const ULTIMATE_FALLBACK = "opencode/gpt-5-nano"
 const SCHEMA_URL = "https://raw.githubusercontent.com/code-yeongyu/oh-my-openagent/dev/assets/oh-my-opencode.schema.json"