Bolt.new is an AI-powered web development platform created by StackBlitz that enables users to build, run, and deploy full-stack web applications directly in the browser through natural language prompts. Launched in October 2024, it combines multiple AI models with StackBlitz's WebContainers technology to provide a complete in-browser development environment. Bolt.new reached approximately $40M ARR within its first six months.1)
Bolt.new is powered by StackBlitz's WebContainers technology, which runs a full Node.js environment, npm, and development servers entirely in the browser. This eliminates local setup requirements and enables:2)
Users describe applications in natural language through a chat interface. The AI generates editable code with real-time previews and handles iterative refinements. Supported AI models include:
The AI automates testing, refactoring (reducing errors by 98% in benchmarks), and SEO optimization. Users maintain full code ownership and can export to GitHub at any time.
Major update adding production-ready capabilities:
| Aspect | Bolt.new | Lovable | v0 (Vercel) |
|---|---|---|---|
| Strength | Frontend flexibility, dev control | Full-stack with Supabase | Rapid UI generation |
| Frameworks | React/Next.js/Vue/Svelte/Astro | React + Vite only | React/Shadcn-focused |
| Backend | PostgreSQL via integrations | Native Supabase | Limited; frontend focus |
| Deploy | Netlify export | One-click + GitHub sync | Vercel integration |
| Pricing | $20/mo | $25/mo | Usage-based | |
| Best For | Developers, prototypes | Non-devs, full apps | Quick UI prototypes |