Vercel AI SDK
✓ VerifiedOpen-source TypeScript toolkit for streaming LLM apps with providers, tools, and generative UI
About
Vercel AI SDK (v6 beta) is a free, open-source toolkit for building streaming AI apps across Next.js, React, Vue/Nuxt, SvelteKit, and Node/Edge runtimes. It provides a unified provider API, tool calling, structured outputs (`generateObject`), server actions/RSC hooks, and generative UI helpers like `streamUI`, with adapters for OpenAI, Anthropic, Google, Mistral, Ollama, and more.
Key Features
- ✓Unified provider API with adapters for OpenAI/Anthropic/Google/Mistral/Ollama and more
- ✓Streaming text, chat, and tool calls with React/Next server actions and RSC hooks
- ✓Structured outputs via `generateObject` with schema validation
- ✓Generative UI helpers (`streamUI`, AI Elements) for dynamic components
- ✓Tools registry and built-in function/tool calling
Pros & Cons
Pros
- Open-source with no license cost
- Free tier available
- Open-source and self-hostable
Cons
- No BYOK; model choice dictated by vendor
- Vendor-specific limitations may apply
Use Cases
- →Building AI-powered applications
Technical Details
Languages
AI Models
Integrations
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Frequently Asked Questions
What is Vercel AI SDK?
Vercel AI SDK (v6 beta) is a free, open-source toolkit for building streaming AI apps across Next.js, React, Vue/Nuxt, SvelteKit, and Node/Edge runtimes. It provides a unified provider API, tool calling, structured outputs (`generateObject`), server actions/RSC hooks, and generative UI helpers like `streamUI`, with adapters for OpenAI, Anthropic, Google, Mistral, Ollama, and more.
Is Vercel AI SDK free?
Yes, Vercel AI SDK is open source and free to use. MIT-licensed library, Self-hosted on your infra, Use with any LLM provider keys
What programming languages does Vercel AI SDK support?
Vercel AI SDK supports 2+ programming languages including TypeScript, JavaScript.
What AI models does Vercel AI SDK use?
Vercel AI SDK is powered by Model-agnostic (providers include OpenAI, Anthropic, Google, Mistral, Ollama, etc.).
What platforms does Vercel AI SDK support?
Vercel AI SDK is available on Node.js, Edge runtimes, Serverless.
What can Vercel AI SDK do?
Vercel AI SDK provides code generation, AI chat, agentic/autonomous mode. Key features include: Unified provider API with adapters for OpenAI/Anthropic/Google/Mistral/Ollama and more, Streaming text, chat, and tool calls with React/Next server actions and RSC hooks, Structured outputs via `generateObject` with schema validation.
Pricing and features change frequently—confirm on the vendor site.
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Pricing
Open Source
$0
- MIT-licensed library
- Self-hosted on your infra
- Use with any LLM provider keys
Company
- Name
- Vercel
- Founded
- Location
Links
Vercel AI SDK
Open Source