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← AI PulseAug 12, 2026

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Vercel AI SDK Adds Grok 4.6 and Priority Service Tier Support

The Vercel AI SDK's @ai-sdk/xai package now supports the Grok 4.6 model and a priority service tier for chat and responses, according to recent updates.

By Illumora Editorial

Source · Aug 12, 2026, 6:46 PM · On Illumora · Aug 12, 2026, 6:53 PM

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Read the source →Vercel AI SDK Changelog — Release @ai-sdk/xai@3.0.120 · vercel/ai
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Vercel has updated its AI SDK, specifically the @ai-sdk/xai package, to include support for the Grok 4.6 model and a new priority service tier. These changes were released across multiple versions of the package on August 12.

Key Points

  • The @ai-sdk/xai package now supports the Grok 4.6 model IDs.
  • Support for Grok 4.6 includes its "xhigh reasoning effort" capability.
  • The priority service tier is now supported on chat functionalities.
  • The priority service tier is also supported for responses.
  • These updates were released in @ai-sdk/xai versions 3.0.119, 3.0.120, 4.0.37, and 4.0.38.

Context

According to the Vercel AI SDK Changelog, versions 3.0.119 and 4.0.37 of @ai-sdk/xai introduced the Grok 4.6 model IDs and support for its xhigh reasoning effort. Subsequently, versions 3.0.120 and 4.0.38 added support for a priority service tier on both chat and responses.

Why It Matters

Developers using the Vercel AI SDK can now integrate the Grok 4.6 model, potentially leveraging its advanced reasoning capabilities, and utilize a priority service tier for improved performance in chat and response-generating applications.

What To Do

  • Review the Vercel AI SDK documentation for details on integrating Grok 4.6.
  • Investigate the implications and availability of the priority service tier for existing applications.
  • Test the Grok 4.6 model's xhigh reasoning effort in relevant use cases.
  • Note the specific @ai-sdk/xai package versions that include these updates.

Keep Exploring

/atlas/**grok**-family