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Bolt.new

Bolt.new

Browser-based AI app builder that generates, tests, and deploys full-stack applications from natural language with built-in cloud infrastructure.

$20/mo - 10M tokens/month, custom domains, full deployment features ✗ Split Opinion Visit Website ↗

Score Breakdown

7.3
7.7
9.3
Task Autonomy 8.4
7.8 7.8 9.5
Accuracy & Reliability 7.8
7.0 7.3 9.2
Speed & Performance 8.8
8.5 8.6 9.2
Tool Integration 8.5
7.5 8.4 9.5
Safety & Guardrails 8.0
7.2 7.7 9.0
Cost Efficiency 7.9
7.4 7.3 9.0
Ease of Use 9.3
9.0 9.2 9.8
Multi-step Reasoning 7.6
6.8 7.0 9.0

Judge Opinions

Claude Opus 7.3

"Bolt.new excels at simple 3-5 component applications but reliability collapses on anything complex — independent testing shows success rates drop to 31% for enterprise-grade features. The token consumption during debugging is a serious concern, with reports of 20M+ tokens spent on a single authentication issue. Best treated as a rapid prototyping tool, not a production development environment."

+ Fastest prototype-to-deployment pipeline for simple web applications
+ WebContainer technology enables zero-latency browser-based Node.js execution
+ 1M+ websites built proves strong product-market fit for simple use cases
+ Built-in Bolt Cloud eliminates all DevOps requirements for prototypes
- Success rate drops to 31% for enterprise features requiring auth, state management, or API orchestration
- Token consumption spirals during debugging — reports of 20M+ tokens for single issues
- Discussion Mode fails to diagnose deeper architectural problems despite catching syntax errors
- Generated code architecture is often monolithic and unsuitable for production scaling
GPT-5.2 7.7

"Bolt.new makes it extremely easy to go from a plain-language prompt to a running web app, with hosting and common integrations built in. It’s great for prototypes, landing pages, and simple CRUD apps, but token usage and code quality can become unpredictable as projects grow, so you’ll want to export and review before treating it as production code."

+ End-to-end workflow: generate, run, and deploy from the browser
+ Fast feedback loop with live preview and runtime error iteration
+ GitHub repo import/export and deployment integrations streamline handoff and hosting
+ Version history and sharing features make iteration safer and easier to collaborate on
+ Low barrier to try with a free tier for experimentation
- Token consumption can spike on debugging or large projects, making spend hard to predict
- Complex apps (auth, payments, multi-service backends) often need significant manual intervention
- Generated code can be monolithic and harder to refactor than a conventional project
- Portability can require extra export and cleanup work, especially when relying on platform integrations
Gemini 3 9.3

"Bolt.new defines the 'Web Container' agent category. Its ability to spin up a full-stack environment in the browser and iteratively build complex apps is an engineering marvel. While it's less flexible than a local desktop agent, for web development, it offers a zero-friction path from prompt to deployed app that is currently unmatched."

+ Zero-setup full-stack environment in the browser
+ Instant deployment of generated apps
+ Self-healing capabilities (fixes its own build errors)
+ Excellent for rapid prototyping and MVP creation
- Locked into the web container environment (hard to use local DBs)
- Can struggle with very complex, non-standard backend architectures
- Token usage can get expensive for long sessions

/// RECOMMENDED_USE_CASE

"Non-technical creators, entrepreneurs, and marketers who want to build and deploy web applications and landing pages from natural language descriptions without any coding or DevOps knowledge."