GPT-6.1 Sol hits #5 on Agent Arena, costs 39% less than GPT-6 Sol while scoring higher
arena · x · 2026-10-03
Arena announced that OpenAI's GPT-6.1 Sol (Max) has landed on the Agent Arena at #5 with a +11.23% net improvement, reshaping the performance-cost Pareto frontier:
- $0.56 median cost per task — 39% cheaper than GPT-6 Sol while scoring +1.52 pts higher
- 81% cheaper than GPT-6 Astra within 1.04 pts
- 88%/65%/80% cheaper than Claude Fable 5.1 (#1), Opus 5.5 (#2) and Sonnet 5.5 (#3), all within 3 pts
On Code Arena: WebDev it ranks #3 with 1759 pts at a blended $8/MToken, gaining 70 pts over GPT-6 Sol at the same price. It improved in every category, with Consumer Product jumping #5 → #1.
Related event: GPT-6.1 Sol and Claude Sonnet 5.5 Reshape the Agent Arena Leaderboard(5 posts)→
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