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Vibe coding tools

What is Bolt.new?

Bolt.new is StackBlitz's AI app builder that writes, runs and deploys web apps in the browser. How it works, its November 2026 plans, and what to check.

Bolt.new is an AI app builder from StackBlitz that generates full-stack web apps from prompts and runs them in a development environment inside your browser, where you can edit and deploy the code. On 9 November 2026 it had a free plan with 1 million tokens a month and Pro from 25 dollars a month.

Published · Last updated

By Michal Měřínský. Audit methodology.

How it works

Bolt runs on StackBlitz's WebContainers, which execute a Node.js environment inside the browser. When you prompt Bolt, the AI writes files, installs packages and starts a dev server, all in your tab. You see the code and the running app side by side, can edit either way, and deploy to hosting from the same screen.

Plans

Bolt's pricing page on 9 November 2026:

  • Free: 0 dollars, 1 million tokens a month with a daily limit of 300,000. Includes public and private projects, website hosting with a request limit, databases, and Bolt branding on sites.
  • Pro: 25 dollars a month billed monthly, starting at 10 million tokens with no daily limit, and unused tokens roll over.
  • Teams: 30 dollars per member a month.
  • Enterprise: custom. Annual billing is discounted. Tokens are consumed by the AI's work, so large projects use them faster.

What it is good at

  • Developers and technical founders who want to see the code while the AI writes it.
  • Prototypes in common JavaScript frameworks.
  • Quick experiments without installing anything locally.

What to check before launch

  • Secrets: keys used by the app must sit in server-side code and environment variables, not in the client bundle.
  • Database rules: if Bolt connected a database, confirm who can read and write each table.
  • Search: titles, descriptions and served HTML per route, especially for single-page apps.
  • Branding and domain: free plan sites show Bolt branding. Connect your own domain for a real product.
  • Errors: open the browser console on the deployed site, not only the preview.

Token usage grows with the size of the project, because the AI reads more context each time. Split large apps into clear parts and keep prompts focused.

What a scan can and cannot tell you

WebAuditOS checks a Bolt app as deployed: served versus rendered content, duplicate titles, Content Security Policy, legal links and console errors.

It cannot see your Bolt project, token usage or the database behind it.

The preview in Bolt and the deployed site can behave differently. Scan the deployed URL.

Short answers

Is Bolt.new free? Yes, with 1 million tokens a month and a daily limit.

Who makes Bolt.new? StackBlitz.

Can I export Bolt code? Yes. The code is visible and can be downloaded or synced.

Bolt or Lovable? Bolt shows and runs the code in the browser. Lovable hides more of it behind a chat. Both generate React apps.

In the product

The checks this maps to

Every check named here runs on every scan, on every plan - what a plan changes is how many pages are crawled, how long the history is kept and what you can do with the result. These are the ids the findings carry, so you can match a line in a report to the explanation above.

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Lovable is an AI app builder that turns prompts into React web apps with a backend and hosting. What it builds, how credits work, and what to check at launch.

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