Gauntlet — Track G (generative capability)

Models & settings — click to expand

Long-horizon completeness — pass rate by feature position

The headline: raw harnesses decay over a long build (drop later features); Cortex stays flat by tracking & validating every requirement

Capability score by harness (gated composite)

Higher is better · bootstrap 95% CI whiskers · ★ Cortex highlighted

Generative dimensions

build · completeness · visual · plan/trajectory · honesty

Side-by-side app gallery

App explorer

Click a row for the feature checklist, the milestone plan, and scores. Red outline = claimed-but-failed (dishonest).
AppHarnessLangBuildCompletenessPlanHonesty