Action segmentation benchmark on egocentric video

Gemini 4 Argon dropped today, so we ran a quick bakeoff: Astra vs Argon vs Opus on action segmentation in egocentric video, scored against Eventual's golden set. Accuracy: Astra 59.4 | Argon 55.3 | Opus 48.7 Astra's still king of the frontier models. But all three are a long way from annotation-grade.