Cloudflare Vinext: The AI-Built Next.js Replacement That Changes Everything 3/4/2026 Cloudflare built a drop-in Next.js replacement called vinext in under a week, using AI to write nearly every line of code. It builds 4.4x faster, ships 57% smaller bundles, and deploys to Cloudflare Workers with one command. But the most important story here is not the framework itself.