vercel/ai @ai-sdk/xai@2.0.59

on GitHub

Patch Changes

• 93fff75: Add support for response.function_call_arguments.delta and response.function_call_arguments.done streaming events in the xAI Responses API provider.

  Previously, xAI Grok models using function tools via the Responses API would fail with AI_TypeValidationError because these standard Responses API events were missing from the Zod schema and stream handler. Function call arguments are now streamed incrementally via tool-input-delta events, and the final tool-call is emitted only after all arguments are received.

  Includes unit test for function call argument streaming and an example at examples/ai-core/src/stream-text/xai-responses-function-call.ts.