AI app builders crossed a threshold in 2025 — you can now go from idea to deployed web app in under an hour without writing a line of code. Bolt.new and Lovable lead the space. Here's the full comparison.
Overview
Bolt.new (from StackBlitz) is an in-browser AI development environment powered by Claude. It gives you a full Node.js runtime in the browser, generates complete apps from prompts, and can install packages and run servers. It targets developers and technical users.
Lovable (formerly GPT Engineer) is an AI app builder focused on beautiful, production-ready apps. It connects to GitHub, deploys to Supabase, and is designed for non-developers and founders who want to build without coding.
Features Comparison
| Feature | Bolt.new | Lovable |
|---|---|---|
| Primary AI model | Claude Sonnet/Opus | Claude + GPT-4o |
| In-browser IDE | Yes (full VS Code-like) | Limited |
| GitHub sync | Yes | Yes |
| Deployment | Netlify, Cloudflare | Lovable hosting, custom domain |
| Database | Manual setup | Supabase (built-in) |
| Auth | Manual setup | Supabase Auth (built-in) |
| Backend support | Full Node.js | Limited |
| Framework | React, Vue, Astro, etc. | React (Next.js) |
| Custom code editing | Yes | Yes |
| Mobile apps | No | No |
| Free tier | Yes | Yes |
Pricing
Bolt.new
- Free: 150K tokens/day (enough for ~5-10 small features)
- Pro: $20/month — 10M tokens/month
- Team: $40/user/month — 25M tokens/month, team features
- Enterprise: Custom
Lovable
- Free: 5 messages/day (very limited)
- Starter: $20/month — 100 messages/month
- Launch: $50/month — 400 messages/month
- Scale: $100/month — 1,000 messages/month
Pros and Cons
Bolt.new
Pros:
- Full browser-based IDE — edit any file, install any package
- Supports multiple frameworks (React, Vue, Svelte, Astro)
- Better for complex backend logic and Node.js APIs
- More transparent about what's being built (you see the code)
Cons:
- Database and auth require manual setup
- Steeper learning curve for non-developers
- Token limits can be restrictive for complex apps
- Deployment workflow less streamlined
Lovable
Pros:
- Supabase integration out-of-the-box (database + auth + storage)
- Beautiful, production-quality UI by default
- Non-developers can ship working apps without touching code
- One-click deployment to custom domains
Cons:
- Less flexible for complex backend requirements
- Message-based pricing can run out quickly on large projects
- Limited to React/Next.js stack
- Less control over the codebase than Bolt
Use Cases
Choose Bolt.new if:
- You're a developer wanting to scaffold apps faster
- You need a specific framework (Vue, Svelte, Astro)
- Complex backend logic or APIs are part of your app
- You want to edit code directly alongside AI assistance
Choose Lovable if:
- You're a founder or non-developer building an MVP
- You need database and auth out-of-the-box without configuration
- UI quality is a priority and you're targeting web apps
- You want the fastest path from idea to deployed link
App Quality
Both tools produce significantly better output in 2025 than their 2024 versions. Lovable has an edge on UI polish — its default component library and design sense produce more polished, production-ready interfaces. Bolt's output looks more "developer-built" by default.
For backend complexity, Bolt wins — it can set up Express routes, websockets, cron jobs, and complex data transformations that Lovable can't handle reliably.
Verdict
Bolt.new is the choice for developers and technically-minded builders who want maximum flexibility. Lovable is the choice for non-technical founders and designers who want the fastest path to a working, beautiful product.
The tools are converging in capability. In 2025, many teams use both — Lovable for prototyping and getting stakeholder buy-in, Bolt for building the real thing.