cua vs osaurus
cua and osaurus 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 osaurus is own your AI. The native macOS harness for AI agents -- any model, persistent memory, autonomous execution, cryptographic identity. Built in…. 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 →
Own your AI. The native macOS harness for AI agents -- any model, persistent memory, autonomous execution, cryptographic identity. Built in…
Visit osaurus →cua and osaurus are both open-source agent infrastructure you can self-host for free. cua has wider GitHub adoption — 19k stars vs 6.9k. Neither is universally better — pick by fit.
Side by side
| Spec | cua | osaurus |
|---|---|---|
| Type | Infrastructure | Infrastructure |
| Model | Open source | Open source |
| Pricing | Open source | Open source |
| GitHub stars | 19,499 | 6,892 |
| Language | HTML | Swift |
| License | MIT | MIT |
| Last activity | Jul 2026 | Jul 2026 |
Key differences
- cua has wider GitHub adoption — 19k stars vs 6.9k.
- cua is written primarily in HTML; osaurus in Swift.
you want the more widely-adopted project (19k GitHub stars).
your team works primarily in Swift.
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 osaurus
Own your AI. The native macOS harness for AI agents -- any model, persistent memory, autonomous execution, cryptographic identity. Built in Swift. Fully offline. Open source.
Full osaurus profile →Frequently asked
- What's the main difference between cua and osaurus?
- cua has wider GitHub adoption — 19k stars vs 6.9k.
- Is cua or osaurus better?
- Neither is universally better. cua is the stronger fit for the more widely-adopted project (19k stars); osaurus for teams working primarily in Swift. Use the side-by-side specs to decide by your own constraints.
- Is cua or osaurus free?
- cua is free to run and self-host; osaurus is free to run and self-host. Both are free to self-host — you only pay for the infrastructure and any model or API usage.
- Which is more popular, cua or osaurus?
- By GitHub stars — a proxy for open-source adoption — cua is ahead (19k vs 6.9k). Stars measure attention, not necessarily the better fit for you.