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S
Vercel AI SDK
Open-source TypeScript toolkit for building AI apps and agents.
Pricing
Free, open source; you pay for model/API usage.
Free tier
Yes, open source
Why S tier
The de facto standard for AI in JS/TS apps; provider-agnostic and excellent streaming UX.
Community rating
Separate from our editorial tier. Email-confirmed, one per person.
Not enough ratings yet
Last verified: 2026-10-15 against the official pricing page. Prices change, so confirm before buying.Official site →
