cua vs steel-browser
cua and steel-browser are both agent infrastructure. cua is Open-source infrastructure for Computer-Use Agents. Sandboxes, SDKs, and benchmarks to train and evaluate AI agents that can control full d…, while steel-browser is open Source Browser API for AI Agents & Apps. Steel Browser is a batteries-included browser sandbox that lets you automate the web witho…. Here's an independent, side-by-side look at how they compare — and which fits.
Open-source infrastructure for Computer-Use Agents. Sandboxes, SDKs, and benchmarks to train and evaluate AI agents that can control full d…
Visit cua →Open Source Browser API for AI Agents & Apps. Steel Browser is a batteries-included browser sandbox that lets you automate the web witho…
Visit steel-browser →Side by side
| Spec | cua | steel-browser |
|---|---|---|
| Type | Infrastructure | Infrastructure |
| Model | Open source | Open source |
| Pricing | Open source | Open source |
| GitHub stars | 19,320 | 7,264 |
| Language | HTML | TypeScript |
| License | MIT | Apache-2.0 |
| Last activity | Jul 2026 | Jun 2026 |
you want the more widely-adopted project (19k GitHub stars).
your team works primarily in TypeScript.
About cua
Open-source infrastructure for Computer-Use Agents. Sandboxes, SDKs, and benchmarks to train and evaluate AI agents that can control full desktops (macOS, Linux, Windows).
Full cua profile →About steel-browser
Open Source Browser API for AI Agents & Apps. Steel Browser is a batteries-included browser sandbox that lets you automate the web without worrying about infrastructure.
Full steel-browser profile →