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#vercel ai sdk

2 posts tagged.

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.

August 13, 202610 min read69

SaaS stacks

CopilotKit vs assistant-ui vs Vercel AI SDK UI: the open-source AI chat UI for a Next.js SaaS (2026)

CopilotKit, assistant-ui, and Vercel AI SDK UI sit at three different layers of the stack. A hands-on 2026 guide to picking the right open-source AI chat UI for your Next.js SaaS.

August 7, 20268 min read100