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Agent Infrastructure · Head-to-head

bifrost vs cua

bifrost and cua are both agent infrastructure. bifrost is Fastest enterprise AI gateway (50x faster than LiteLLM) with adaptive load balancer, cluster mode, guardrails, 1000+ models support & <100 µs overhead at 5k RPS, while cua is 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). Here's an independent, side-by-side look at how they compare — and which fits.

bifrost

Infrastructure· Open source

Fastest enterprise AI gateway (50x faster than LiteLLM) with adaptive load balancer, cluster mode, guardrails, 1000+ models support & <100 µs overhead at 5k RPS.

Visit bifrost
cua

Infrastructure· Open source

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).

Visit cua

Bottom line

bifrost and cua are both open-source agent infrastructure you can self-host for free. cua has wider GitHub adoption — 22k stars vs 7.5k. Neither is universally better — pick by fit.

Side by side

Specbifrostcua
TypeInfrastructureInfrastructure
ModelOpen sourceOpen source
PricingOpen sourceOpen source
GitHub stars7,52521,842
LanguageGoPython
LicenseApache-2.0MIT
Last activityAug 2026Aug 2026

Key differences

  • cua has wider GitHub adoption — 22k stars vs 7.5k.
  • bifrost is written primarily in Go; cua in Python.
  • Licensing differs: bifrost is Apache-2.0, cua is MIT.

Choose bifrost if

your team works primarily in Go.

Choose cua if

Background computer-use across macOS, Windows, and Linux without stealing focus.

About bifrost

Fastest enterprise AI gateway (50x faster than LiteLLM) with adaptive load balancer, cluster mode, guardrails, 1000+ models support & <100 µs overhead at 5k RPS.

Full bifrost profile →

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 →

Frequently asked

What's the main difference between bifrost and cua?
cua has wider GitHub adoption — 22k stars vs 7.5k.
Is bifrost or cua better?
Neither is universally better. bifrost is the stronger fit for teams working primarily in Go; cua for Background computer-use across macOS, Windows, and Linux without stealing focus. Use the side-by-side specs to decide by your own constraints.
Is bifrost or cua free?
bifrost is free to run and self-host; cua 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, bifrost or cua?
By GitHub stars — a proxy for open-source adoption — cua is ahead (22k vs 7.5k). Stars measure attention, not necessarily the better fit for you.
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