Agent harnesses
Vercel AI SDK
The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents
★ 27,855 on GitHub · +12 today · last commit Nov 10, 2026
What it is
Provider-agnostic TypeScript toolkit for AI apps/agents
At a glance
- Business model
- Open source
- License
- Apache-2.0 (LICENSE file)
GitHub activity
This product has a public repository, so we read it nightly from the GitHub API. Stars measure developer attention, not quality or market share.
“The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents ” (repository description)
- Stars
- 27,855
- Change since last reading
- +12
- Forks
- 5,568
- Open issues
- 1,535
- Last commit
- Nov 10, 2026 (0 days ago)
- License (GitHub)
- NOASSERTION
Links and sources
- Official siteai-sdk.dev
- GitHub repositorygithub.com/vercel/ai
Facts verified nov 10, 2026; added nov 8, 2026. Vendor facts come from the vendor’s own pages; benchmark claims are self-reported unless we say otherwise.