Bolt.new is StackBlitz's AI-powered full-stack app builder. Describe what you want to build, and it generates a complete, working application — frontend, backend, and database — that runs live in your browser immediately. No local setup required. The workflow is remarkably frictionless: natural language in, working app out, with instant preview and one-click deployment to production. Iterations are fast — describe a change, watch it happen, test it live. For prototypes, MVPs, and internal tools, this dramatically compresses the time from idea to deployed product. It's built on top of WebContainers, StackBlitz's browser-based Node.js runtime, which means the entire development environment — including npm packages and a local server — runs client-side without any cloud VM.

What the community says

Bolt.new exploded in community popularity after launching in October 2024, reaching $40M ARR by March 2025 and generating massive positive buzz on Reddit and Product Hunt for making full-stack app creation accessible to non-developers. Reviews praise fast prototyping, clean code generation, and StackBlitz integration that lets users preview and deploy without leaving the browser. A consistent limitation is the approximate 1,000-line code threshold beyond which the AI begins to hallucinate or overwrite working sections. Token consumption, billing opacity, and a lack of human customer support are the most common pain points in negative reviews. Based on community discussions from Reddit, Product Hunt, and Trustpilot over the past 12 months.