When I joined ARC Prize in July, the highest score on ARC-AGI-3

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When I joined ARC Prize in July, the highest score on ARC-AGI-3 was 7.8% by GPT-5.6 Sol. Now, about 2.5 months later, using the same standard harness, GPT-6.1 Sol scores 52.7%. Things are moving very fast!

ARC Prize@arcprize6h ago

GPT-6.1 Sol from @OpenAI on ARC-AGI (Verified): - ARC-AGI-3: 52.7%, $7.6K (standard harness), 96.4%, $4.4K (provider adapter harness) - ARC-AGI-2: 94.2%, $0.25/task - ARC-AGI-1: 98.5%, $0.06/task Its 96.4% on v3 was comparable to GPT-6 Astra's 99.9% but at a 77% lower cost.