Next.js

Pricing

• Free and open source (MIT)

Install

pnpm create next-app@latest my-app --yes

pnpm i next@latest react@latest react-dom@latest

npm install next@latest

Models

Not an AI tool. Next.js 16.4 ships with React 19.3 and uses Turbopack as the default bundler (pass --webpack to use Webpack). create-next-app adds an AGENTS.md for coding agents, and next upgrade --agent gives an agent version-specific upgrade guidance.

Recent changes

• Oct 14v16.4.1 and v15.5.28 patch two critical unauthenticated remote code execution bugs, one in use cache functions returning typed arrays and one in the Image Optimization API with SVG, plus a high-severity Server Actions denial of service.
• Oct 6Next.js 16.4 recommends Cache Components for every app and turns them on by default in create-next-app. It also adds ensureStatic, the navigation() and prefetch() APIs, and next upgrade --agent, and ships React 19.3.
• Aug 3Next.js 16.3 introduces Instant Navigations, a faster dev server, faster builds, and improved tooling for AI agents.

Sources: Next.js blog, Next.js 16.4, October 14, 2026 security update, Installation docs, GitHub repository

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