SaaS stacks
Vercel AI SDK vs LangChain.js: the TypeScript AI decision for a Next.js SaaS (2026)
A developer-lens 2026 comparison of the Vercel AI SDK and LangChain.js: a thin, edge-native model-and-UI toolkit versus a broader retrieval-and-agent orchestration framework, and why the @ai-sdk/langchain adapter means many Next.js teams should use both.
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