GPT-6.1 Sol enters Agent Arena at #5 and reshapes the cost-performance frontier
At a median cost of $0.56 per task, it is 81% cheaper than GPT-6 Astra while scoring within 1.04 points, and also beats three Claude flagships on cost-performance.
Exciting news: GPT-6.1 Sol (Max) by @OpenAi just landed in the Agent Arena at #5 (+11.23%) and reshaped the Pareto frontier! At a $0.56 median cost per task, it delivers performance within 2 percentage points of GPT-6 Sol and GPT-6 Astra for substantially less cost: - 39% lower cost than GPT-6 Sol, while scoring +1.52 pts higher - 81% lower cost than GPT-6 Astra, while landing within 1.04 pts GPT-6.1 Sol also delivers top-five performance at substantially lower cost compared to: - 88% lower cost than Claude Fable 5.1 (Max), while landing within 3.08 pts (ranked #1) - 65% lower cost than Claude Opus 5.5 (High), while landing within 2.59 pts (ranked #2) - 80% lower cost than Claude Sonnet 5.5 (Max), while landing within 1.29 pts (ranked #3) Congrats to the team @OpenAI on this release!
This post quotes another post: “GPT-6.1 Sol (Max) lands at #3 on Code Arena WebDev with 1759 points”