Mercor(@mercor):GPT-6 Astra debuts on APEX-Agents at #1 on the leaderboard. 🥇 62.4% Mean score (#1) 🥈 46.7% Pass@1 (#2) It leads Fable 5.1 by 0.4 points on mean score and trails it by 0.8 on Pass@1. APEX-Agents runs long-horizon tasks written by bankers, consultants, and corporate lawyers in our expert network. Against its predecessor GPT-5.6 Sol, Astra moves up 6 places on our leaderboard. It gains 5.7 points on mean and 6.7 on Pass@1. All three domains moved by at least 4.5 points, so this is a broad gain rather than one job pulling the average up. Congratulations to @OpenAI. See full leaderboard:

2026.09.03 19:42

GPT-6 Astra debuts on APEX-Agents at #1# on the leaderboard. 🥇 62.4% Mean score (#1#) 🥈 46.7% Pass@1 (#2#) It leads Fable 5.1 by 0.4 points on mean score and trails it by 0.8 on Pass@1. APEX-Agents runs long-horizon tasks written by bankers, consultants, and corporate lawyers in our expert network. Against its predecessor GPT-5.6 Sol, Astra moves up 6 places on our leaderboard. It gains 5.7 points on mean and 6.7 on Pass@1. All three domains moved by at least 4.5 points, so this is a broad gain rather than one job pulling the average up. Congratulations to @OpenAI. See full leaderboard:

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