Steel vs Browserbase
Detailed side-by-side comparison to help you choose the right tool
Steel
🔴DeveloperBrowser Automation
Open-source headless browser API for AI agents — managed Chromium sessions with stealth, captchas handling, file downloads, and per-session isolation.
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Starting Price
FreeBrowserbase
🔴DeveloperBrowser Automation
Managed headless-browser infrastructure for AI agents — spins up isolated Chromium sessions with stealth defenses, proxy rotation, and live-view debugging so your agent can browse the real web without you running the fleet.
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Starting Price
FreeFeature Comparison
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Steel - Pros & Cons
Pros
- ✓Truly open source under MIT — no SaaS lock-in
- ✓Playwright/Puppeteer compatibility means existing scripts port over
- ✓Stealth and proxy rotation are handled — no anti-bot whack-a-mole
- ✓Self-host or cloud — same binary, you pick the deploy model
- ✓Strong fit for regulated environments where data can't leave the VPC
Cons
- ✗Cloud pricing not transparently published — verify before depending on it
- ✗Stealth tactics are a moving target as anti-bot vendors evolve
- ✗You still write the agent loop on top — Steel doesn't decide what to click
- ✗Smaller ecosystem of pre-built integrations than Browserbase
Browserbase - Pros & Cons
Pros
- ✓Playwright, Puppeteer, and CDP compatibility eases migration from local browsers
- ✓Live View, recordings, screenshots, and artifacts make failures diagnosable
- ✓Stagehand provides observe, act, and extract primitives above raw selectors
- ✓Managed sessions and proxies remove substantial browser-fleet operations
Cons
- ✗Session minutes, proxy traffic, captcha handling, and concurrency can create several cost dimensions
- ✗Stealth measures cannot guarantee access to every protected site
- ✗Remote browsers add network latency compared with a local Chromium process
- ✗Pricing in the staging record requires manual verification
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