Vercel AI SDK
The TypeScript toolkit for building AI-powered applications and agents — with unified APIs for 20+ LLM providers, streaming UI primitives, structured output generation, and seamless integration with React Server Components and Next.js.
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Mastra
The TypeScript framework for building production AI agents and workflows — with built-in tool calling, RAG pipelines, workflow orchestration, and 50+ third-party integrations that let developers ship intelligent applications in days, not months.
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