StackBlitz's in-browser full-stack IDE — run Node.js, ship complete apps from a prompt, no setup.
Bolt.new combines AI app generation with a live in-browser IDE powered by StackBlitz's WebContainers technology — real Node.js running in the browser, no cloud VM required. Describe an app, get generated code, see it running instantly, edit with the AI agent, and deploy — all without leaving the browser tab.
Bolt.new is StackBlitz's flagship AI product — a browser-based full-stack IDE where AI generates the app and a real Node.js environment (powered by WebContainers) executes it immediately, without a cloud VM or local setup. This architecture is what separates Bolt from competitors: code runs in your browser at near-native speed, with npm packages installing in seconds and terminal access available for any command. The AI agent (powered by Claude) generates complete project setups from prompts — React, Vue, Svelte, Astro, Next.js, SvelteKit, Remix, and more — and then operates as a coding assistant that can modify any file, install packages, fix errors, and add features iteratively. The diff view shows exactly what the AI changed in each edit. File tree, terminal, and live preview are all visible simultaneously. For backend needs, Bolt integrates with Supabase for database and auth, and supports server-side frameworks like Astro server-side rendering and Next.js API routes. Netlify and Vercel deployment are supported with one click. The free plan provides limited daily tokens — enough for evaluation. The Pro plan at $20/mo provides substantial monthly token allocation for serious builders. Bolt.new's browser-native execution model makes it uniquely suited for education, client demos, and quick prototyping — there's nothing to install, and every project shares a URL that anyone can fork and run instantly.
Open bolt.new, describe your project, and have a running development environment with the right framework, dependencies, and folder structure in under 60 seconds — no npm install, no editor setup, no configuration. Share the project URL with a collaborator and they get an identical environment instantly in their browser.
Bolt.new's shareable, instantly-running environments make it ideal for coding education — instructors share a project URL and students have a live environment immediately. AI generation lets beginners see working code examples for any concept, and the terminal and file tree teach real development patterns rather than hiding them.
Bolt.new's breadth of framework support — React, Vue, Svelte, Astro, SvelteKit, Remix — makes it uniquely suited for generating the same UI in different frameworks for comparison, or for developers who work across multiple stacks and need the right tool without framework-specific setup.
Build a functional demo for a client meeting, share the Bolt.new URL before the call, and the client can interact with a live, running application in their browser without installing anything. After the meeting, continue iterating on the same project URL — every change is live immediately.
Bolt.new's key differentiator is WebContainers — real Node.js running natively in your browser without a cloud VM. This means zero setup, instant execution, and shareable project URLs that anyone can run. Combined with broader framework support than competitors (Vue, Svelte, Astro alongside React), it's uniquely positioned for framework-agnostic development and education use cases.
Yes — Bolt.new supports one-click deployment to Netlify and Vercel, and GitHub export for deployment to any hosting provider. Generated apps are production-ready codebases, not sandboxed demos. Many users prototype in Bolt.new and then continue development in their local IDE after exporting to GitHub.
Bolt.new integrates with Supabase for database and authentication — you can connect your Supabase project and prompt Bolt to generate the database queries and auth flows. For API routes, server-side frameworks like Next.js API routes, SvelteKit endpoints, and Astro SSR are all supported. It requires more manual setup than Lovable's tighter Supabase integration.
The free plan provides a daily token allowance — enough for initial exploration and small projects. The exact token count varies and Bolt.new adjusts limits periodically. For sustained building sessions, the Pro plan ($20/mo) provides approximately 10M tokens monthly, which supports extensive daily use. Check bolt.new for current limits.
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