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← AI PulseAug 12, 2026

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Vercel AI SDK Adds Grok 4.6 Models and xhigh Reasoning Effort Support

The Vercel AI SDK's @ai-sdk/xai package now includes support for Grok 4.6 models and their xhigh reasoning effort, according to recent changelog entries.

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Source · Aug 12, 2026, 3:53 PM · On Illumora · Aug 12, 2026, 3:58 PM

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Read the source →Vercel AI SDK Changelog — Release @ai-sdk/xai@2.0.86 · vercel/ai
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The Vercel AI SDK has updated its @ai-sdk/xai package to incorporate Grok 4.6 models. This addition was noted in two separate patch changes for the SDK, released on August 12.

Key Points

  • The @ai-sdk/xai@2.0.86 release on August 12 added Grok 4.6 models.
  • The @ai-sdk/xai@4.0.37 release, also on August 12, added Grok 4.6 model IDs.
  • The @ai-sdk/xai@4.0.37 release supports the Grok 4.6 model's xhigh reasoning effort.

Context

According to the Vercel AI SDK changelog, the integration of Grok 4.6 models occurred across two distinct patch updates. The initial update, @ai-sdk/xai@2.0.86, introduced the models, while a subsequent update, @ai-sdk/xai@4.0.37, further refined this by adding specific model IDs and enabling support for the xhigh reasoning effort feature of Grok 4.6.

Why It Matters

This update expands the range of models available to developers using the Vercel AI SDK, allowing them to leverage Grok 4.6 capabilities, including its xhigh reasoning effort, within their applications. This can impact the complexity and depth of AI-powered features developers can implement.

What To Do

  • Note the availability of Grok 4.6 models in the Vercel AI SDK.
  • Test the xhigh reasoning effort feature of Grok 4.6 if using @ai-sdk/xai@4.0.37 or later.
  • Review the Vercel AI SDK documentation for details on integrating Grok 4.6 models.

Keep Exploring

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