Bolt.new vs Replit
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
Open source · MIT
Browser-based AI agent that writes, runs, edits and deploys full-stack web apps.
AI tool · Freemium
A browser-based development and hosting platform with an AI agent that builds and deploys apps.
The short answer
Choose Bolt.new if you need…
- People who want to prototype a full-stack web app quickly without local setup
- Developers who want to see AI-generated code run in a live browser environment
- Non-coders such as PMs or designers who want a working web prototype, per the README's own framing
- Developers who want to study or build on the open-source Bolt codebase
Choose Replit if you need…
- Building and hosting apps from the browser
- Learning to code
Side-by-side
| Bolt.new | Replit | |
|---|---|---|
| Type | App | Coding · App builders |
| Price | Free and open source (hosted plans: freemium) | Freemium |
| Licence | MIT | — |
| GitHub stars | 16.6k | — |
| Setup difficulty | Beginner | — |
| How you get it | Use it in the browser (or self-host) | — |
| Platforms | Web | Web, iOS, Android, macOS, Windows |
| Works with | GitHub, Netlify, Supabase | GitHub |
| Main language | TypeScript | — |
| Last code update | 23 months ago | — |
| Hands-on tested by us | — | Not yet |
| Last checked | — | 2026-10-29 |
What each one is
Bolt.new
Bolt.new is an AI web development agent you use in your browser. You describe an app in a chat, and the AI builds it, runs it, and can deploy it, without installing anything locally. The README says it runs in an in-browser environment built on StackBlitz's WebContainers, so the AI can install npm packages, run Node.js servers, and edit files.
Replit
A browser-based development and hosting platform with an AI agent that builds and deploys apps. Everything in one place, from editor to hosting. Agent usage costs can be hard to predict; set limits.
Best for
Bolt.new
- People who want to prototype a full-stack web app quickly without local setup
- Developers who want to see AI-generated code run in a live browser environment
- Non-coders such as PMs or designers who want a working web prototype, per the README's own framing
- Developers who want to study or build on the open-source Bolt codebase
Replit
- Building and hosting apps from the browser
- Learning to code
Strengths
Bolt.new
- No local setup is required, according to the README
- The AI can control the filesystem, package manager, terminal, and browser console, not only generate code
- The core codebase is open source under the MIT license
Replit
- Replit Agent app builder
- Cloud IDE
- Built-in database and hosting
- Multiplayer editing
Not ideal for
Bolt.new
- People who need to work offline or fully on their own machine, since the README says it runs in the browser
- Teams that need predictable AI costs, because the README describes daily token limits and paid tiers for more tokens
- Anyone expecting a stable production product, since the README states Bolt.new is in beta
Replit
—
Trade-offs
Bolt.new
- The README says Bolt.new is in beta
- Free use is limited by a daily token limit, after which AI interactions pause until the next day or an upgrade
- The README gives no detail on how well generated apps perform or on which deployment targets are supported
Replit
—
Getting started
Bolt.new
Clone the open-source codebase (only if you want to build your own tool)
git clone https://github.com/stackblitz/bolt.newFrequently asked questions
What is the difference between Bolt.new and Replit?
Bolt.new: Browser-based AI agent that writes, runs, edits and deploys full-stack web apps. Replit: A browser-based development and hosting platform with an AI agent that builds and deploys apps. Bolt.new suits people who want to prototype a full-stack web app quickly without local setup, while Replit suits building and hosting apps from the browser.
Are Bolt.new and Replit free?
Bolt.new: Free and open source (hosted plans: freemium). Replit: Freemium.
What are other alternatives to Bolt.new and Replit?
Other options people compare them with include Lovable, v0.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.