diff --git a/extensions/smart-router/index.ts b/extensions/smart-router/index.ts
index a50812f..f843fa2 100644
--- a/extensions/smart-router/index.ts
+++ b/extensions/smart-router/index.ts
@@ -30,7 +30,10 @@ function getModel(ctx: ExtensionContext, key: string): any {
 
 function modelLabel(key: string): string {
   const m = MODELS[key];
-  return m ? `${m.provider}/${m.id}` : key;
+  if (!m) return key;
+  // Model IDs already include provider prefix (e.g. "openrouter/owl-alpha")
+  // so just use the ID directly to avoid double-prefixing
+  return m.id.includes("/") ? m.id : `${m.provider}/${m.id}`;
 }
 
 export default function (pi: ExtensionAPI) {