Infrastructure & DevOps

Cube Sandbox

Last updated 2026-07-06 · benchmark measured 2026-08-09 — deterministic & reproducible

Sandbox service for running AI agents with hardware isolation and fast startup.

Is Cube Sandbox production-ready?

Legit.Show scores Cube Sandbox 64 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Cube Sandbox (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Privacy. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

• Performance — 75/100
• Accessibility — 94/100
• Security — 25/100
• Privacy — 25/100
• Reliability — 100/100
• Standards — 92/100
• Discoverability — 35/100

What we measured

• No Content-Security-Policy and no HSTS.
• Served over HTTPS with a valid certificate.
• Real Lighthouse performance run — 302 ms to first byte.
• Returns a proper 404 for unknown routes.
• 3 of 3 sampled routes reachable.
• No privacy policy found.
• Sets cookies / loads scripts with no consent prompt.

Who it's for

AI agent developers · Machine learning engineers · Automation platforms · Code execution services · Enterprise deployments

Visit Cube Sandbox → · Alternatives to Cube Sandbox → · How this was measured →