# Steel

Steel is a cloud sandbox provider for AI agents; this page records its specs from the vendor's own docs.

Apache-2.0 browser API for agents (steel-browser), with hosted sessions and stealth mode.

## Details

- Address: Online, Global
- Website: [steel.dev](<https://steel.dev>)
- Isolation: Container
- Persistence: Ephemeral
- Pricing model: Plan + usage
- Free tier: Free credits
- Open source: Yes
- Run it yourself: Yes
- Open-source licence: Apache-2.0
- Client SDKs: TypeScript
- Documentation: [docs.steel.dev](<https://docs.steel.dev>)

## Questions

### Where is Steel?

Steel is at Online, Global.

### How do I contact Steel?

To contact Steel, visit https://steel.dev.

## Source

From [Vendor documentation and pricing pages, as described on our About page](https://steel.dev/pricing), license Fact-level data (prices, limits, isolation classes); open-licensed doc sets include Cloudflare docs (CC BY-4.0) and Fly.io docs (Apache-2.0), checked 2026-10-21.

Last updated October 21, 2026.

## Links

- This sandbox provider on the [web page](<https://agentsandboxes.fyi/global/online/steel>)
- [Browser sessions in Online](<https://agentsandboxes.fyi/global/online/category/browser.md>)
- [Open source in Online](<https://agentsandboxes.fyi/global/online/category/open-source.md>)
- [More sandbox providers in Online](<https://agentsandboxes.fyi/global/online.md>)

> **Check before you choose.** Vendor specs and prices change. Follow the cited source on each listing before you pick a provider.