GPT 6 Astra

P-Zero Research's new TasteVal benchmark reports that frontier models' experimental research taste has doubled every 3.0 months since December 2025. The top model, Opus 5.5, exceeds a 24-expert human baseline at roughly 1/30 of the cost per attempt. A separate benchmark, Humanity's Sixth Sense, shows the best model at 53.6 pass@1 against a human 93.1.