diff --git a/core/llm/toolSupport.ts b/core/llm/toolSupport.ts
index ccaf906ce79..f9056383447 100644
--- a/core/llm/toolSupport.ts
+++ b/core/llm/toolSupport.ts
@@ -217,9 +217,14 @@ export const PROVIDER_TOOL_SUPPORT: Record<string, (model: string) => boolean> =
     openrouter: (model) => {
       // https://openrouter.ai/models?fmt=cards&supported_parameters=tools
       if (
-        ["vision", "math", "guard", "mistrallite", "mistral-openorca"].some(
-          (part) => model.toLowerCase().includes(part),
-        )
+        [
+          "vision",
+          "math",
+          "guard",
+          "mistrallite",
+          "mistral-openorca",
+          "kimi-k2",
+        ].some((part) => model.toLowerCase().includes(part))
       ) {
         return false;
       }