Next.js AI Chat Integration (App Router + Vercel AI SDK)

Streaming LLM responses in Next.js with Server Actions

Learn how to implement next.js server actions llm streaming with the Vercel AI SDK to build responsive chat UIs in the App Router.

API integrationComparison

API integrationGuide

Persisting chat history in Next.js with the Vercel AI SDK

Practical guide to next.js persist chat history vercel ai sdk: schema, loading, streaming saves, multi-user isolation, and pitfalls using App Router.

July 17, 20264 min read

Next.js API routes vs Edge Functions for LLM streaming

Compare Next.js API routes and Edge Functions for LLM streaming: runtime limits, cost, latency, and code examples to pick the right Vercel setup.

July 17, 20264 min read

How to stream Claude Sonnet 4.5 responses in Next.js

Step-by-step tutorial to next.js stream claude sonnet 4.5 with Vercel AI SDK on App Router: install, API route, client UI, verify streaming, plus fallback tips.

How to render markdown and code blocks in a Next.js chat UI

Step-by-step guide to next.js ai chat markdown code rendering: stream LLM responses and safely display markdown with code highlighting in App Router.

How to add rate limiting to a Next.js AI chat API route

Step-by-step guide to add rate limiting to a Next.js AI chat API route with Upstash Redis and Vercel AI SDK to stop abuse and control LLM spend.

How to add function calling to a Next.js AI chatbot

Step-by-step guide to adding next.js ai sdk function calling to a Next.js chatbot using the Vercel AI SDK, with code and success checks.

API integrationGuide

Handling Vercel AI SDK streaming errors in Next.js

Guide to handling next.js vercel ai sdk streaming errors in Next.js App Router: route catches, client recovery, retries, and provider fallback.

Deploying a Next.js AI chat app on Vercel with streaming

Step-by-step guide to next.js deploy vercel ai chat streaming using the Vercel AI SDK and App Router, with runnable code and verification tips.

July 17, 20265 min read

Building a multi-model chat switcher in Next.js

A hands-on tutorial for building a next.js multi-model chat switcher with the Vercel AI SDK, covering model routing, streaming, and fallback in App Router.

API integrationGuide

The Vercel AI SDK useChat hook: a complete walkthrough

A practitioner's guide to the Vercel AI SDK useChat hook in Next.js App Router: server routes, streaming, state, error handling, and provider swaps.

How to use the Vercel AI SDK with n4n.ai models

Step-by-step guide to wiring the Vercel AI SDK to OpenAI-compatible n4n.ai models in a Next.js App Router chat app, with runnable code and verification.

Building a streaming AI chat app with Next.js App Router

Hands-on tutorial: build a streaming AI chat app with Next.js App Router and Vercel AI SDK, from project setup to live token streaming.

Building a RAG chatbot with Next.js and the Vercel AI SDK

Hands-on tutorial to build a next.js rag chatbot vercel ai sdk with App Router, streaming, and vector retrieval using the Vercel AI SDK and OpenAI.