diff --git a/app/constant.ts b/app/constant.ts
index 5f36ba25c..db9842d60 100644
--- a/app/constant.ts
+++ b/app/constant.ts
@@ -673,6 +673,11 @@ const xAIModes = [
   "grok-3-beta",
   "grok-3",
   "grok-3-latest",
+  "grok-4",
+  "grok-4-0709",
+  "grok-4-fast-non-reasoning",
+  "grok-4-fast-reasoning",
+  "grok-code-fast-1",
 ];
 
 const chatglmModels = [