diff --git a/internal/server/dashboard.go b/internal/server/dashboard.go
index 5b0074aa..b4b3c6fe 100644
--- a/internal/server/dashboard.go
+++ b/internal/server/dashboard.go
@@ -979,7 +979,7 @@ func (s *Server) handleTestProvider(c *gin.Context) {
 	} else if name == "deepseek" {
 		testReq.Model = "deepseek-chat"
 	} else if name == "grok" {
-		testReq.Model = "grok-3-mini"
+		testReq.Model = "grok-4-1-fast-non-reasoning"
 	}
 
 	_, err := provider.ChatCompletion(c.Request.Context(), testReq)