Most AI coding tools still ask a developer to wait for a cloud environment to spin up before anything actually runs. Bolt.new skips that step entirely, using StackBlitz's WebContainers technology to scaffold, install, and run a full application inside a single browser tab, with no round trip to a server required just to see the result.
What is Bolt.new?
Bolt.new is an AI-powered, in-browser development environment built by StackBlitz that generates, runs, and deploys complete full-stack applications from a single text prompt. Its core technical differentiator is WebContainers, which runs Node.js-compatible code directly inside the browser rather than in a remote cloud environment, making Bolt genuinely fast compared to tools that require a server round trip for every change. Since launching in October 2024, Bolt has grown rapidly, reaching millions of registered users and a $700 million valuation, and expanded with Bolt V2's addition of Bolt Cloud, which bundles databases, authentication, file storage, and hosting directly into the platform to close the gap between generating an app and actually shipping it.
Key features
Prompt-to-App Generation
Users describe an application in plain language, and Bolt scaffolds, installs dependencies, and runs a working app, covering frameworks like React, Vue, Svelte, Next.js, and others supported by WebContainers.
WebContainers Execution
Generated code runs live inside the browser tab itself rather than in a remote cloud environment, which is why Bolt is consistently regarded as one of the fastest AI app builders available.
Bolt Cloud
Introduced with Bolt V2, this bundles databases, authentication, file storage, edge functions, and hosting directly into the platform, addressing what was previously a gap requiring external services to actually deploy a generated app.
Multi-Agent Support
Bolt integrated Claude Code and OpenAI Codex directly into the platform, letting developers switch between different coding agents within the same project rather than being locked to one underlying AI system.
Native Integrations
Bolt connects natively with Supabase, Netlify, Cloudflare, GitHub, and Stripe, letting generated apps plug into real infrastructure and payment processing without manual setup.
Token-Based Usage
Project complexity and codebase size determine token consumption, with unused tokens rolling over for one additional month on paid plans, giving some flexibility for uneven usage patterns.
Pros
- WebContainers execution makes Bolt genuinely faster than cloud-round-trip alternatives for iterative development
- Bolt Cloud meaningfully closes the deployment gap, letting generated apps ship without cobbling together external services
- Native integrations with Supabase, Netlify, and Stripe support real, functional applications rather than just prototypes
- Multi-agent support lets developers choose between Claude Code and Codex within the same project
- Genuinely functional free tier lets users test the platform with no credit card required
Cons
- Token consumption isn't fully transparent, and the exact per-prompt cost varies by project complexity in ways that are hard to predict upfront
- Free tier's daily token cap can be restrictive for anyone doing more than light experimentation
- Token rollover requires maintaining an active paid subscription; downgrading or canceling forfeits any rolled-over balance
- Best suited to prototyping and small-to-medium apps rather than replacing a full engineering team for complex production systems
Pricing
Bolt.new offers a Free plan with 1 million tokens per month and a 300,000 token daily cap, requiring no credit card. Pro is priced at $25 per month with 10 million monthly tokens and no daily limit, removing Bolt branding from deployed apps. Teams pricing runs $30 per member per month with per-seat token allocations rather than a pooled allowance, and Enterprise pricing is custom, with large enterprise contracts reportedly starting around a $100,000 annual base plus per-seat and overage costs. Because token consumption scales with project complexity rather than a simple prompt count, users should test their actual workload against the free tier before assuming a specific paid plan will be sufficient.
Best for
Bolt.new is best suited to founders, solo builders, and developers who want to go from an idea to a working, deployed full-stack application quickly without assembling separate hosting, database, and authentication services manually. It's also a reasonable option for non-technical product managers who want to prototype a functional app concept before involving an engineering team. Readers can browse our AI Coding category for related tools.
Use cases
- Scaffolding a full-stack web application from a single prompt for rapid prototyping
- Building and testing an app entirely in the browser without local development environment setup
- Deploying a generated application directly through Bolt Cloud without external hosting services
- Adding authentication and a database to a prototype without manual backend configuration
- Switching between different AI coding agents within the same project to compare output
Supported platforms
- Bolt.new is accessed entirely through the web browser, with its core technology specifically built to run Node.js-compatible applications client-side inside that browser tab. There is no officially documented native desktop or mobile application.
Languages
- Bolt.new's platform and prompt interface are documented in English. Generated code and comments follow standard programming language conventions and can typically be prompted in other languages, though the platform's own documentation remains English-focused.
Integrations
- Bolt.new integrates natively with Supabase for databases, Netlify and Cloudflare for hosting, GitHub for version control, and Stripe for payment processing, letting generated apps connect to real infrastructure without manual configuration. An open-source fork, bolt.diy, also lets developers bring their own API keys for various AI models and run the tool locally.
Things to consider
- Because Bolt's token system scales with project complexity rather than offering a simple, predictable per-prompt cost, teams should run a real test project on the free tier to understand their actual token burn rate before committing to a specific paid plan. It's also worth understanding that token rollover only applies while a paid subscription remains active, so teams planning to pause and resume usage should factor that into their budgeting.
How the tool compares
Bolt.new is most frequently compared against Lovable, with Bolt generally considered faster due to its browser-native WebContainers execution while Lovable is often noted for generating more complete backend scaffolding out of the box. Developers who prefer working inside a full-featured code editor rather than a prompt-first app builder may find Cursor a better fit for ongoing development work. Readers can also browse our AI Coding category for further comparisons.
AIToolister verdict
Bolt.new stands out among AI app builders for genuine technical speed, running generated applications directly in the browser rather than waiting on a remote environment, and Bolt Cloud's built-in infrastructure meaningfully reduces the gap between generating an app and actually shipping it. It's a strong choice for founders and developers who want to move from idea to deployed prototype quickly. Teams building complex, production-grade systems should treat Bolt as an accelerant for early-stage development rather than a replacement for an engineering team, and should test their actual token usage carefully before committing to a paid tier.
Frequently asked questions
- Is Bolt.new free to use?
Yes. Bolt.new's free plan includes 1 million tokens per month with a 300,000 token daily cap, and requires no credit card to start.
- How much does Bolt.new Pro cost?
Pro is $25 per month and includes 10 million monthly tokens with no daily limit, along with removal of Bolt branding from deployed apps.
- What makes Bolt.new faster than other AI app builders?
Bolt uses WebContainers technology, which runs generated applications directly inside the browser rather than requiring a round trip to a remote cloud environment.
- Can Bolt.new deploy apps without external hosting services?
Yes. Bolt Cloud, introduced with Bolt V2, bundles databases, authentication, file storage, and hosting directly into the platform.
- Does Bolt.new support multiple AI coding agents?
Yes. Bolt integrated Claude Code and OpenAI Codex directly into the platform, letting developers switch between different coding agents within the same project.