Steel

Infrastructure service

API for fleets of cloud browser sessions that AI agents control, with stealth, proxies and CAPTCHA solving; the browser is also open source.

Find alternatives to Steel

TypeInfrastructure service

RoleStandalone tool

Bought forBuild and run AI agents, Automate a form or tidy a desktop with computer use

AvailabilitySold

DeploymentSaaS, Self-hosted

Intended forDeveloper, Enterprise

SecurityNot recorded

StatusActive

Sold withinSold on its own

PricingSubscription, Usage-based, Enterprise quote — official pricing ↗

Pricing, Deployment, Sold within — steel.dev · 10 Oct 2026

What it does

Agent orchestration

Features 10

Sessions APIStarts a real cloud browser with one API call, in under a second, and lets sessions be resumed.
Puppeteer compatibilityExisting Puppeteer scripts connect to Steel sessions over a WebSocket endpoint with one line changed.
Session resumeResumes any session with the same cookies, tabs and state.
Traces and live session viewerReadable traces of every run and full-fidelity session recordings viewable in the UI or the API.
ProfilesConsistent browser profiles so each agent signs in as itself across runs.
Human-in-the-loopPeople can step in for 2FA or payments and hand control back so the run carries on.
CLIStarts, steers and stops cloud browsers from a shell.
Stealth browser and CAPTCHA solvingReduces bot detection with fingerprint rotation and solves CAPTCHAs as agents browse.
Residential proxiesResidential and datacenter proxies with country-to-city targeting and dedicated or rotating IPs.
Self-hostingRun Steel in your own cloud or host it yourself, keeping data inside your network.

steel.dev

How it compares

Browserbase
Steel compares its cloud browser API directly with Browserbase for running browser sessions for agents.

Steel vs Browserbase: a practical comparison
Company disclosure · 10 Oct 2026
Anchor
Steel supplies managed browsers.
Official documentation · 13 Oct 2026
Kernel
Steel and Kernel both provide remote browser infrastructure for automation and agent workflows.
Official documentation · 13 Oct 2026

Sources

Pricing

Pricing page · 10 Oct 2026

Pricing page: Launch $0 per month + usage with $30 of credits one time; Scale $250 per month + usage with $100 of credits every month; Enterprise custom. Browser hours $0.10 (Launch) / $0.08 (Scale); proxy $10/$6 per GB; CAPTCHA solves $3/$1 per 1,000; /scrape $5 per 1,000.

Description

Company disclosure · 10 Oct 2026

Homepage: "Steel is an API that lets you control fleets of browsers"; title "Open-source Browser Infrastructure for AI Agents".

What it does

Company disclosure · 10 Oct 2026

Homepage: "Steel is an API that lets you control fleets of browsers"; title "Open-source Browser Infrastructure for AI Agents".

Sold within