Opus-4.6 with 0.5% currently leads GPT-5.4 with 0.2%[1]. Seems meaningful even if the absolute numbers are very low. That's sort of the excitement of it. 2. h

Opus-4.6 with 0.5% currently leads GPT-5.4 with 0.2%[1]. Seems meaningful even if the absolute numbers are very low. That's sort of the excitement of it. 2. https://arcprize.org/leaderboard https://arcprize.org/leaderboard