Vercel AI SDK

Rank #3 in Agent frameworks & automation · Last updated 2026-10-14

Simplest path to streaming chat UIs and tool loops.

Best for: Chat UIs, simple tool-calling
Free tier: Open source, free
Pricing: Free (you pay your model provider)
Pricing source: https://ai-sdk.dev (checked not checked)
Official site: https://ai-sdk.dev
Affiliate / referral program: none found. Affiliate status does not affect rank.

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