diff --git a/apps/cli/src/index.ts b/apps/cli/src/index.ts
index 15a2786ef4..43a94f8a7d 100644
--- a/apps/cli/src/index.ts
+++ b/apps/cli/src/index.ts
@@ -21,7 +21,7 @@ import { getEnvVarName, getApiKeyFromEnv, getDefaultExtensionPath } from "./util
 const DEFAULTS = {
 	mode: "code",
 	reasoningEffort: "medium" as const,
-	model: "anthropic/claude-sonnet-4.5",
+	model: "anthropic/claude-opus-4.5",
 }
 
 const REASONING_EFFORTS = [...reasoningEffortsExtended, "unspecified", "disabled"]