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← AI PulseSep 4, 2026

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Vercel AI SDK Adds GPT-6-Astra Support and Tool Annotation Features

The Vercel AI SDK has updated its @ai-sdk/gateway and @ai-sdk/openai packages to include support for the gpt-6-astra model, alongside new features for tool metadata and assistant history serialization.

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Read the source →Vercel AI SDK Changelog — Release @ai-sdk/gateway@3.0.189 · vercel/ai
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Vercel has released updates to its AI SDK, specifically to the @ai-sdk/gateway and @ai-sdk/openai packages. These updates, released on September 4, introduce support for the gpt-6-astra model. Additionally, the @ai-sdk/mcp package now surfaces server-provided tool annotations in tool metadata, and @ai-sdk/open-responses includes strict assistant history serialization without synthetic item IDs.

Key Points

  • The @ai-sdk/gateway package now supports the gpt-6-astra model.
  • The @ai-sdk/openai package also includes support for gpt-6-astra.
  • The @ai-sdk/mcp package surfaces server-provided tool annotations within tool metadata.
  • The @ai-sdk/open-responses package features strict assistant history serialization without synthetic item IDs.
  • These updates were released on September 4.

Context

According to Vercel's AI SDK changelog, these patch changes enhance the SDK's capabilities by integrating a new model and improving data handling for tools and assistant interactions. The updates are part of routine releases for the Vercel AI SDK, which is hosted on GitHub.

Why It Matters

Developers using the Vercel AI SDK can now access the gpt-6-astra model, potentially expanding the range of applications and capabilities available through their projects. The new tool annotation and history serialization features offer more robust control and insight into AI model interactions and tool usage.

What To Do

  • Check the Vercel AI SDK documentation for details on integrating gpt-6-astra.
  • Review the @ai-sdk/mcp package documentation for information on accessing server-provided tool annotations.
  • Note the changes in @ai-sdk/open-responses regarding assistant history serialization for applications that rely on this feature.
  • Compare the updated package versions (@ai-sdk/gateway@3.0.189, @ai-sdk/openai@3.0.108, @ai-sdk/mcp@1.0.78, @ai-sdk/open-responses@1.0.40) with current project dependencies.

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