Vercel AI SDK

Free tier

AI API Platforms

Platforms: mac, windows, linux | Last verified: 2026-04-03

Features

*Unified LLM API
*Streaming support
*React/Next.js hooks
*Tool calling
*Structured output
*Multi-provider support
*Edge runtime compatible

Pricing

Free: Fully open source, free to use

No paid plans listed.

Strengths

+Elegant streaming API for React/Next.js
+Supports all major LLM providers
+Type-safe with excellent TypeScript support
+Open source and free

Limitations

-Best suited for Next.js/Vercel ecosystem
-Less useful outside JavaScript/TypeScript
-Requires understanding of streaming patterns

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