Can't use any provider-defined tools with xAI

[kenmueller]

Description

AI SDK Warning (xai.chat / grok-4): The feature "provider-defined tool code_execution" is not supported.

import { xai } from "@ai-sdk/xai";
import { streamText } from "ai";

const response = streamText({
  model: xai.responses("grok-4"),
  prompt:
    "Call the web_search tool with the query 'What is the capital of France?'",
  tools: {
    web_search: xai.tools.webSearch(),
    code_execution: xai.tools.codeExecution(),
  },
});

for await (const chunk of response.fullStream) {
  console.dir(chunk, { depth: null });
}

AI SDK Version

No response

Code of Conduct

• I agree to follow this project's Code of Conduct

[AVtheking]

are you sure you are using xai.responses and not xai.chat ?

[kenmueller]

Yes, I am sure.

[aayush-kapoor]

what's the error message you're seeing? can you paste the log of the above snippet