Vercel AI SDK
Open-source SDK for building AI-powered web applications with streaming, tool calling, and multi-provider support.
What is Vercel AI SDK?
Vercel AI SDK is an open-source toolkit for building AI-powered applications with React, Next.js, Svelte, Vue, and Nuxt. It provides streaming UI, tool calling, structured output, and multi-provider support, making it the fastest way to add AI to web apps.
Best for: Web developers building AI-powered apps · Next.js teams adding AI features · Startups needing fast AI prototype to production
Developer Stack Fit
Quick read on where Vercel AI SDK fits in a software team's AI stack. Validate final fit against your codebase, data policy, and deployment model.
- Stack layer
- AI Coding
- Deployment model
- Open-source deployable
- Open-source status
- Yes or source-available
- API support
- API or integration-friendly
- MCP support
- No MCP signal found
- Security posture
- Review vendor privacy and data retention
- Best use case
- Web developers building AI-powered apps
Key Features
- 01
Streaming AI responses with React Server Components
Streaming AI UI components
- 02
Multi-provider support (OpenAI, Anthropic, Google, etc.)
Multi-provider LLM abstraction
- 03
Tool calling and function execution
Edge-compatible for fast deployment
- 04
Structured output with Zod schema validation
A core developer-tools capability that teams use daily.
- 05
AI SDK UI hooks for React, Svelte, Vue
A core developer-tools capability that teams use daily.
- 06
Built-in caching and rate limiting
A core developer-tools capability that teams use daily.
- 07
Edge-compatible for global deployment
A core developer-tools capability that teams use daily.
Pros & Cons
What stands out
- Best DX for AI in web applications
- Framework agnostic with Next.js optimizations
- Excellent streaming support
- Free and open-source
Watch outs
- JavaScript/TypeScript ecosystem only
- Tight coupling with Vercel for hosting
- Less mature than LangChain for complex chains
- Documentation can be sparse for advanced features
Pricing Plans
Vercel AI SDK Pricing
Choose the perfect plan for your needs. All plans include our core features with different usage limits and advanced capabilities.
Vercel Pro
0 day free trial • No credit card required
Need a Custom Solution?
Looking for enterprise features or custom pricing? Contact Vercel AI SDK directly for tailored solutions.
Contact SalesMost teams land on the Vercel Pro plan.
Alternatives
FAQ
What is Vercel AI SDK and how does it work?
Vercel AI SDK is a developer-tools tool that open-source sdk for building ai-powered web applications with streaming, tool calling, and multi-provider support.. It uses AI to help users improve productivity through analyzing input and generating relevant output.
How much does Vercel AI SDK cost?
Vercel AI SDK starts at $0/month. They offer a free trial so you can test it before committing.
Does Vercel AI SDK have a free trial?
Yes — Free to try with no time limit.
What can Vercel AI SDK do?
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Vercel AI SDK
Free to start