DEV INFRASTRUCTURE / APIS · ESSENTIAL
AI SDK (Vercel)
Open-source TypeScript toolkit for building AI apps and agents, by Vercel.
What AI SDK (Vercel) does
Open-source TypeScript toolkit for building AI apps and agents, by Vercel. A unified TypeScript SDK for calling many model providers with streaming, tool calling, fallbacks and UI hooks, so you can switch models without rewriting your app.
Good for
- Add chat/AI features to a Next.js/React app
- Build agents with tool calling in TypeScript
- Swap model providers without code rewrites
Try this in 10 minutes
- Add chat/AI features to a Next.js/React app. Use the free version: pick one real example from your own business and try just that.
- Build agents with tool calling in TypeScript. Put the result next to how you do it today. Is it faster, cheaper or better?
- Swap model providers without code rewrites. Note what you had to fix by hand before you'd show it to a customer.
Mini-tasks based on common small-business uses for this tool.
Honest take
No red flags in our notes so far
We have not written a detailed take on this tool yet. The summary above is based on the maker’s own website.
Pricing
Open source, free (you pay model providers).
Prices as listed by the maker when we last checked (2026-10-18); usually in US dollars. Check the website for current prices.
Latest update
No major updates recorded since we added it.
Is AI SDK (Vercel) worth it? Quick answers
Is AI SDK (Vercel) worth it?
AI SDK (Vercel) is one of the tools we rate as essential to know about in the Dev infrastructure / APIs category. It is free or open source, so the main cost is your time to set it up.
How much does AI SDK (Vercel) cost?
Open source, free (you pay model providers).
What is AI SDK (Vercel) used for?
Open-source TypeScript toolkit for building AI apps and agents, by Vercel. Typical uses: add chat/AI features to a Next.js/React app; build agents with tool calling in TypeScript; swap model providers without code rewrites.