Steel

Steel is an open-source browser API specifically built to power AI agents and automation workflows in the cloud. Control entire fleets of browsers with enterprise-grade reliability and performance.

Key Features:

• Lightning-fast startup - Sessions begin in under 1 second when client is in the same region
• Built-in CAPTCHA solving - Automatic resolution keeps your automation flowing without interruption
• Advanced proxy & fingerprinting - Never get flagged as a bot with sophisticated detection avoidance
• Long-running sessions - Support for sessions up to 24 hours with context persistence
• Universal compatibility - Works with Puppeteer, Playwright, and Selenium with minimal code changes

Perfect for AI applications:

• Autonomous web agents and shopping assistants
• Large-scale web scraping operations
• RPA software and sales automation
• Customer service agents and QA testing
• Foundational model training data collection

Developer-friendly integration with Python, Node.js, and popular automation frameworks. Save and inject cookies, manage local storage, and pick up exactly where you left off. The Session Viewer provides world-class observability for debugging live or recorded sessions.

With over 80 billion tokens scraped and 200,000+ browser hours served, Steel handles everything from simple automation tasks to complex multi-hour AI agent workflows.