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!
Exciting news: GPT-6.1 Sol (Max) by @OpenAI just landed the Code Arena: WebDev at #3 with 1759 pts, and at a blended $8/MToken it reshapes the Pareto frontier!
GPT-6.1 Sol (Max) marks a clear improvement in cost efficiency: it gained 70 points over GPT-6 Sol (Max) for the same price.
It landed within 30 points of GPT-6 Astra (Max) at 80% lower blended token cost, and 59 points from Claude Opus 5.5 (Max) at 50% of the price. See position on the Pareto frontier for the Code Arena: WebDev in the post below.
Overall, GPT-6.1 Sol improved from GPT-6 Sol by 4 rankings! It also improved in every category:
- Consumer Product: #5 → #1
- Simulations: #6 → #3
- Data & Analytics: #4 → #3
- Content Creation Tools: #4 → #3
- Gaming: #6 → #4
- Reference-Based Design: #6 → #4
- Brand & Marketing: #10 → #6
Congrats to the @OpenAI team on the release!
Oct 2, 2026 · 7:48 PM UTC
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See the live results and dive into the Agent Arena Pareto frontier at: arena.ai/leaderboard/agent/o…
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