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← AI PulseSep 5, 2026

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Vercel AI SDK for OpenAI Adds GPT-6 Reasoning Configuration and gpt-6-astra Support

The Vercel AI SDK's OpenAI package has been updated to include support for GPT-6 reasoning configuration and the gpt-6-astra model.

By Illumora Editorial

Source · Sep 5, 2026, 6:19 PM · On Illumora · Sep 5, 2026, 6:23 PM

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Read the source →Vercel AI SDK Changelog — Release @ai-sdk/openai@3.0.109 · vercel/ai
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The Vercel AI SDK for OpenAI, specifically the @ai-sdk/openai package, has received updates to enhance its capabilities. Version 3.0.109 and 2.0.125 of the package now include features for GPT-6 reasoning configuration. Additionally, version 3.0.108 introduced support for the gpt-6-astra model.

Key Points

  • The @ai-sdk/openai package version 3.0.109 includes GPT-6 reasoning configuration updates.
  • The @ai-sdk/openai package version 2.0.125 also features GPT-6 reasoning configuration updates.
  • Support for the gpt-6-astra model was added in @ai-sdk/openai version 3.0.108.
  • The @ai-sdk/openai 3.0.108 release occurred on September 4 at 21:39.
  • The @ai-sdk/openai 3.0.109 release occurred on September 5 at 18:19.
  • The @ai-sdk/open-responses package version 1.0.40 added strict assistant history serialization without synthetic item IDs.

Context

According to the Vercel AI SDK Changelog, these updates were released via GitHub Actions. The @ai-sdk/openai 3.0.108 release was made on September 4, and the 3.0.109 release followed on September 5. The @ai-sdk/open-responses package also received an update on September 4.

Why It Matters

These updates indicate an expansion of the Vercel AI SDK's integration with OpenAI's advanced models, offering developers new capabilities for building applications that leverage GPT-6 reasoning and the gpt-6-astra model.

What To Do

  • Developers should review the Vercel AI SDK documentation for the @ai-sdk/openai package to understand the new GPT-6 reasoning configuration options.
  • Test applications with the gpt-6-astra model using @ai-sdk/openai version 3.0.108 or later.
  • Note the changes in assistant history serialization if using @ai-sdk/open-responses version 1.0.40.

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