BROWSER USE

- Browser Use Agents: give Browser Use a task and receive completed work. API V4 is current for new integrations.
- Browser Infrastructure: connect your agent or automation to managed browsers through SDK, REST, or CDP. Starts at $0.02/browser-hour.
- Developer tools: Open Source, Browser Harness, SDK, and MCP support the two products above.

[Developer Index](https://browser-use.com/index.md)
[Product Map](https://browser-use.com/llms.txt)
[Full Product Context](https://browser-use.com/llms-full.txt)
[Pricing](https://browser-use.com/pricing.md)
[Cloud Docs](https://docs.browser-use.com/cloud/quickstart)
[Open Source Docs](https://docs.browser-use.com/open-source/introduction)

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# Anti-detect browser for automation and scraping

> Our own hardened Chromium fork with per-session fingerprints, automatic CAPTCHA solving and residential proxies in 195+ countries, reachable over CDP for $0.02 per browser-hour. 81% of 71 Cloudflare, Akamai, PerimeterX and DataDome sites reached; next provider 77%; plain headless Chromium 2%.

[HTML page](https://browser-use.com/anti-detect-browser) · [Stealth docs](https://docs.browser-use.com/cloud/browser/stealth) · [Benchmark](https://browser-use.com/posts/stealth-benchmark)

## Three layers, in the order they act

1. Fingerprint. The Chromium build randomizes canvas, WebGL, fonts and navigator per session and removes headless signals. It is rebuilt against upstream Chromium releases so detectors do not get ahead of it.
2. Network. Residential proxies matched to the site's country, per session, at $5/GB (`proxyCountryCode`). Or bring your own proxy with `customProxy` (host, port, username, password); egress is then $0.20/GB.
3. Challenge. If a CAPTCHA still renders, the browser solves it in place. If a site blocks the whole browser, switch proxy country or hand the session to a person through the live view.

## Stealth benchmark, 71 protected sites

| Provider | Sites reached |
|---|---:|
| Browser Use Cloud | 81% |
| Anchor | 77% |
| Kernel | 67% |
| Steel | 47% |
| Browserbase | 42% |
| Hyperbrowser | 40% |
| Headful Chromium | 50% |
| Headless Chromium | 2% |

Sites were chosen from 300,000 real security-check events in production traffic. Per vendor: Cloudflare 93%, Akamai 85%, PerimeterX 81%. [Methodology](https://browser-use.com/posts/stealth-benchmark)

## Use it from Playwright or Puppeteer

Create a browser with `POST /api/v4/browsers`, connect to the returned `cdpUrl` with `connectOverCDP` or `puppeteer.connect`. Stealth is on; there is no flag to set. [Remote browser for Playwright](https://browser-use.com/playwright.md)