Which is more popular, Cua or UI-TARS-desktop?

UI-TARS-desktop has more GitHub stars (39,185 vs 27,747).

Which is more actively developed, Cua or UI-TARS-desktop?

Cua had more commits in the last 90 days (1,409 vs 5).

Should I use Cua or UI-TARS-desktop?

Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.

Cua vs UI-TARS-desktop

Side-by-side comparison of two AI agent tools

Short answer

Cua is growing faster: +2,970 GitHub stars in the last 30 days vs +195 for UI-TARS-desktop.
Pick Cua for: scale computer-use 2.0 with open-source drivers, cross-OS fleets, and benchmarks for training, evaluation. Pick UI-TARS-desktop for: the Open-Source Multimodal AI Agent Stack: Connecting Cutting-Edge AI Models and Agent Infra.

From GitHub data refreshed daily.

Cuaopen-source

Scale computer-use 2.0 with open-source drivers, cross-OS fleets, and benchmarks for training, evaluation, and data generation.

UI-TARS-desktopopen-source

The Open-Source Multimodal AI Agent Stack: Connecting Cutting-Edge AI Models and Agent Infra

Metrics

	Cua	UI-TARS-desktop
Stars	27.7k	39.2k
Star velocity /mo	3.0k	195
Commits (90d)	1.4k	5
Releases (6m)	10	0
Overall score	0.9092592394174208	0.5061704270652263

View Cua Details View UI-TARS-desktop Details

FAQ

Which is more popular, Cua or UI-TARS-desktop?: UI-TARS-desktop has more GitHub stars (39,185 vs 27,747).
Which is more actively developed, Cua or UI-TARS-desktop?: Cua had more commits in the last 90 days (1,409 vs 5).
Should I use Cua or UI-TARS-desktop?: Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.