The Steel alternative that self-hosts without losing stealth
Steel's open-source server leaves CAPTCHA solving, managed proxies, and its advanced stealth to Steel Cloud. Browserless runs stealth and CAPTCHA solving inside your own network with the licensed image, and includes stealth, proxies, and CAPTCHA solving on the free cloud plan.
Browserless
Browser infrastructure you can run in our cloud or inside your own network. The licensed Enterprise image adds stealth, CAPTCHA solving, and BrowserQL to your own deployment, while the free cloud plan includes stealth routes, residential proxies, and CAPTCHA solving.
Steel
An open-source browser API for AI agents, with a live session viewer, agent traces, and a Credentials API. The open-source server is Apache 2.0 with limited stealth. Steel Cloud adds managed proxies, CAPTCHA solving, and advanced stealth, and Steel Outpost covers self-hosting on Enterprise.
Browserless vs. Steel: how they compare
Both give you a cloud browser over CDP and can run on your own hardware. The differences are in what the open-source and licensed builds include, and what you can test on the free plan.
Steel details reflect its published documentation and pricing as of November 2026. Browserless plan prices are billed annually. Check Steel's current pages before deciding.
What is not included on Steel's open-source server?
Neither free build includes CAPTCHA solving or managed proxies. Steel's open-source server keeps limited stealth, while Browserless's open-source image has none, so what do the licensed builds add back?
Steel Browser – Apache 2.0
You get the browser and the session API. Steel's own FAQ says Steel Cloud is what adds scale, stealth, proxies, and CAPTCHA solving, so self-hosting the open-source server means one concurrent session, limited stealth, and bringing your own proxies and solver. Steel's commercial self-host option, Steel Outpost, is sales-led.
Browserless – SSPL-1.0 or commercial
The open-source image covers Puppeteer, Playwright, and the core REST APIs. The licensed Enterprise image adds stealth, CAPTCHA solving, BrowserQL, and session recording, so the build running in your network includes the anti-bot layer. Bring your own proxies.
If the licence is a hard requirement, Steel is the better fit. If you need stealth inside your own network, Browserless ships it.
Where Browserless goes further
Six differences that change what you can test, and where you can run it.
Moving from Steel to Browserless
Steel creates a session, you connect to it, then you release it. Browserless connects and closes.
- 01
Sign up for free
Create a free account with no credit card. The free plan includes 1,000 units a month, with stealth, proxies, and CAPTCHA solving already on.
- 02
Drop the create and release calls
Steel's SDK creates a session and returns a
websocketUrl, and you release it when you're done. Browserless connects to one URL, and closing the browser ends the session. - 03
Move the session flags into the URL
Steel's
useProxyandsolveCaptchabecome a route and query parameters:/stealth,proxy=residential, andsolveCaptchas=true. - 04
Keep your cleanup, lose the API call
Your finally block still closes the browser, but there's no session to release afterwards, so there's no second API call to forget. The session ends when the browser closes or the connection drops.
The same job in Steel and Browserless, compared
Both snippets open a session through a residential proxy with CAPTCHA solving on, load a page, and print its title. On Browserless, the /stealth route adds fingerprint protection to the same connection.
BeforeSteel (flags on the session, released at the end)
import puppeteer from "puppeteer-core";
import Steel from "steel-sdk";
const client = new Steel({ steelAPIKey: process.env.STEEL_API_KEY });
const session = await client.sessions.create({
useProxy: true,
solveCaptcha: true,
});
try {
const browser = await puppeteer.connect({
browserWSEndpoint: `wss://connect.steel.dev?apiKey=${process.env.STEEL_API_KEY}&sessionId=${session.id}`,
});
const page = await browser.newPage();
await page.goto("https://example.com");
console.log(await page.title());
await browser.close();
} finally {
await client.sessions.release(session.id);
}AfterBrowserless (flags in the connection URL)
import puppeteer from "puppeteer-core";
const TOKEN = process.env.BROWSERLESS_TOKEN;
const browser = await puppeteer.connect({
browserWSEndpoint:
`wss://production-sfo.browserless.io/stealth` +
`?token=${TOKEN}&solveCaptchas=true&proxy=residential`,
});
try {
const page = await browser.newPage();
await page.goto("https://example.com");
console.log(await page.title());
} finally {
await browser.close();
}Credentials and live sessions
Steel's Credentials API and live session viewer map to three Browserless features.
Why teams run Browserless in production
175M+
Docker pulls
2017
in production since
99.9%
uptime
SOC 2
Type II
Steel
Best for teams that want an Apache 2.0 core they can fork, Selenium support, and agent traces in one product.
Browserless
Best for teams that want the anti-bot layer maintained for them, in the cloud or on their own hardware, with the same Puppeteer and Playwright connection code either way.
Security & compliance
Steel alternative FAQs
Steel alternative FAQs
Ready to try Browserless?
Start free. No card, no deposit. Stealth, proxies, and CAPTCHA solving from the first session.