warningBreaking change
Vercel AI SDK 6 is a major release with breaking changes
- Announced
- 22 Dec 2025
- Effective
- no date announced
- Version
- 6.0.0
- Source
- the vendor’s own page · last checked 7 Sept 2026
What breaks
Nothing until you bump the major. The streaming and tool-calling surfaces change, so the break is at build time.
What to do
Follow the AI SDK 6 migration guide.
What the vendor said
ai 6.0.0 was published on 22 December 2025. The SDK has a high breaking-change rate across majors.
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