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Vercel AI SDK Updates Include Structured Output in Stream Callbacks and Amazon Bedrock Enhancements

Vercel has released updates to its AI SDK, including exposing parsed structured output in streamText end callbacks and introducing new features for Amazon Bedrock integration.

By Illumora Editorial

Source · Aug 28, 2026, 5:20 PM · On Illumora · Aug 28, 2026, 5:33 PM

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Read the source →Vercel AI SDK Changelog — Release @ai-sdk/tui@1.0.85 · vercel/ai
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Vercel has updated its AI SDK, specifically releasing @ai-sdk/tui@1.0.85, @ai-sdk/vue@4.0.84, and @ai-sdk/workflow@2.0.14. These updates include changes to the core ai package, now at version 7.0.84, and enhancements for specific providers like Amazon Bedrock.

Key Points

  • The Vercel AI SDK now exposes parsed structured output within streamText end callbacks.
  • The ToolLoopAgent settings and prepareCall now permit tool approval secrets.
  • The SDK addresses stateful and empty-match regular expressions in smoothStream.
  • Amazon Bedrock integration now supports accepting citation deltas in streaming responses.
  • A model family setting for embeddings has been added to Amazon Bedrock to support ARN.
  • Assistant messages are omitted when only cache points remain after unsigned reasoning is filtered.

Context

According to Vercel, these releases are managed by the Changesets release GitHub action, which automates the publishing of packages to npm upon merging. The updates encompass various components of the AI SDK, including @ai-sdk/gateway@4.0.68, @ai-sdk/provider-utils@5.0.33, @ai-sdk/alibaba@2.0.38, and @ai-sdk/amazon-bedrock@5.0.67.

Why It Matters

These updates provide developers with more granular control over streaming outputs and enhance integration capabilities with Amazon Bedrock, potentially improving the reliability and functionality of AI-powered applications built with the Vercel AI SDK.

What To Do

  • Review the updated Vercel AI SDK documentation for details on streamText end callbacks.
  • Test the new tool approval secret functionality in ToolLoopAgent settings.
  • Explore the Amazon Bedrock integration for citation delta handling and ARN support for embeddings.
  • Note the changes regarding assistant message omission in specific caching scenarios.