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Steel
Category: Infra (Cloud Browser API)
Steel is an open-source browser API for controlling fleets of cloud browsers at scale. It is purpose-built for AI agents and automation workflows that need real browser sessions without managing infrastructure.
Key capabilities:
- Sub-1-second average session start time
- Sessions up to 24 hours long
- Built-in CAPTCHA solving
- Session recording and replay for debugging
- Auto sign-in for auth-walled sites
- Compatible with Playwright, Puppeteer, and Selenium (1-line connection change)
- Supports Python, Node.js, Go, and Rust SDKs
Pricing
| Tier | Price | Credits | Notes |
|---|---|---|---|
| Launch (Free) | $0/month + usage | $30 one-time credits | Email and community support |
| Scale | $250/month + usage | $100/month credits | Dedicated Slack, Enterprise SSO, HIPAA-ready BAA |
| Enterprise | Custom | Custom | 1,000+ concurrent sessions, stealth browser pools |
The free tier includes $30 in one-time usage credits, making it suitable for evaluation and low-volume automation.
Official Links
- Site: https://steel.dev/
- Docs: https://docs.steel.dev/
- GitHub (browser): https://github.com/steel-dev/steel-browser
- Cookbook (40+ examples): https://github.com/steel-dev/steel-cookbook
- API Reference: https://steel.apidocumentation.com/api-reference
Safety and ToS
Steel is designed for legitimate browser automation. Sessions must always be released when done to avoid runaway billing. Review the Steel legal page at https://docs.steel.dev/overview/legal before automating third-party sites -- you are responsible for complying with the target site's terms of service and robots.txt.