# Cross-link map: LangChain with AI Gateway (/docs/ai-gateway/ecosystem/framework-integrations/langchain)

> From the Vercel docs graph (built 2026-10-29T06:02:06.399Z), spanning vercel.com docs + KB, nextjs.org, ai-sdk.dev, and other Vercel documentation sites. Full graph as JSON: https://vercel.com/docs/graph.json

## Semantically closest pages

- [LangChain](https://vercel.com/docs/sandbox/ecosystem/langchain) — Give a LangChain agent a tool that executes model-generated code in an isolated Vercel Sandbox, with models served by AI
- [Langfuse with AI Gateway](https://vercel.com/docs/ai-gateway/ecosystem/framework-integrations/langfuse) — Trace and monitor AI Gateway requests with Langfuse. Configure an OpenAI client and wrap it with observeOpenAI to log mo
- [AI Gateway Ecosystem and Integrations](https://vercel.com/docs/ai-gateway/ecosystem) — Connect frameworks, coding tools, and billing integrations to AI Gateway. Configure app attribution and explore integrat
- [LiteLLM with AI Gateway](https://vercel.com/docs/ai-gateway/ecosystem/framework-integrations/litellm) — Learn how to integrate Vercel AI Gateway with LiteLLM to access multiple AI models through a unified interface.
- [AI Gateway Framework Integrations](https://vercel.com/docs/ai-gateway/ecosystem/framework-integrations) — Connect LangChain, LiteLLM, LlamaIndex, Mastra, Pydantic AI, TanStack AI, and other frameworks to Vercel AI Gateway with

## Prerequisites

- [Ecosystem](https://vercel.com/docs/sandbox/ecosystem) — Use Vercel Sandbox with the agent frameworks, model SDKs, and agents you already work with.

## This page links to (2)

- [Vercel AI Gateway: Models, Routing, and Observability](https://vercel.com/docs/ai-gateway) — Call AI models from any infrastructure through a managed gateway. Centralize credentials, request logs, spend budgets, r
- [AI Gateway Authentication and BYOK](https://vercel.com/docs/ai-gateway/authentication-and-byok) — Authenticate AI Gateway requests with API keys or OIDC tokens, and configure bring your own key \\(BYOK\\) credentials for

## Pages that link here (3)

By site: vercel-docs (3)

- [AI Gateway Ecosystem and Integrations](https://vercel.com/docs/ai-gateway/ecosystem) — Connect frameworks, coding tools, and billing integrations to AI Gateway. Configure app attribution and explore integrat
- [AI Gateway Framework Integrations](https://vercel.com/docs/ai-gateway/ecosystem/framework-integrations) — Connect LangChain, LiteLLM, LlamaIndex, Mastra, Pydantic AI, TanStack AI, and other frameworks to Vercel AI Gateway with
- [Python with AI Gateway: OpenAI and Anthropic SDKs](https://vercel.com/docs/ai-gateway/sdks-and-apis/python) — Use AI Gateway with Python through OpenAI or Anthropic SDKs with full streaming, tool calling, and async support.