Sign in
← AI PulseJul 28, 2026

Wire · news · Multi-source brief

Vercel AI SDK Promotes repairText to Stable, Adds Experimental Speech Translation

The Vercel AI SDK has promoted the repairText option to stable for generateObject and streamObject functions, while also introducing an experimental speech translation model specification.

By Illumora Editorial

Source · Jul 28, 2026, 3:01 AM · On Illumora · Jul 28, 2026, 3:13 AM

Media from the primary source — shown here so you can stay on Illumora.

Synthesized from multiple allowlisted primaries on the same event. Lanes →

Brief drafted by Illumora’s editorial model from the linked primary source. Ops desk reviews flagged pieces. How we write →

Read the source →Vercel AI SDK Changelog — Release @ai-sdk/vue@4.0.39 · vercel/ai
Save

The Vercel AI SDK has released updates, including the promotion of the repairText option to stable status within its generateObject and streamObject functions. This update, noted in releases for @ai-sdk/vue@4.0.39, @ai-sdk/xai@4.0.20, and @ai-sdk/workflow@1.0.39, also introduces a deprecated experimental_repairText alias for backward compatibility.

Additionally, the SDK has added an experimental speech translation model specification, Experimental_SpeechTranslationModelV4, and an experimental_streamTranslate function for streaming speech-to-speech translation, as detailed in the @ai-sdk/vue@4.0.38 release.

Key Points

  • The repairText option is now stable for generateObject and streamObject functions in the Vercel AI SDK.
  • A deprecated experimental_repairText alias is available for backward compatibility.
  • An Experimental_SpeechTranslationModelV4 specification has been added.
  • The SDK includes an experimental_streamTranslate function for streaming speech-to-speech translation.
  • The SDK avoids synthesizing client tool errors for invalid provider-executed tool calls.

Context

According to the Vercel AI SDK changelog, these updates are part of ongoing releases managed by the Changesets release GitHub action. The repairText promotion and the introduction of speech translation capabilities enhance the SDK's functionality for developers.

Why It Matters

These updates provide developers with more stable text repair capabilities for object generation and streaming, and introduce new experimental tools for speech translation. This expands the range of applications that can be built using the Vercel AI SDK, particularly for multimodal interactions.

What To Do

  • Developers should update their Vercel AI SDK packages to access the latest features.
  • Review the documentation for generateObject and streamObject to understand the stable repairText option.
  • Experiment with the new Experimental_SpeechTranslationModelV4 and experimental_streamTranslate for speech-to-speech translation.
  • Note the deprecation of experimental_repairText and plan for its eventual removal from your codebase.