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Vercel AI SDK

TypeScript toolkit for building AI applications.

Visit Vercel AI SDK » ai-sdk.dev

Vercel AI SDK at a glance
What it doesTypeScript toolkit for building AI applications
CategoryDeveloper
Websiteai-sdk.dev
CheckedWebsite working when last checked (2026-10-16)

In their own words

“A unified TypeScript SDK for building AI apps with modern streaming, fallbacks, and multi-model support—powered by Vercel.”
— from the Vercel AI SDK website

8 alternatives to Vercel AI SDK

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LangChain

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How to choose

  1. Try it on your real codebase, not a demo. Results vary a lot by language and project size.
  2. Decide how much control you want: suggestions you accept line by line, or an agent that makes larger changes for you to review.
  3. Check your company's rules on sending code to outside AI services before you start.

Full guide to choosing developer tools »

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