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OpenAI GPT-5.2 Pro efficiency gains on ARC-AGI-1

ARC Prize
ARC Prize
Dec 11, 2025

A year ago, we verified a preview of an unreleased version of @OpenAI o3 (High) that scored 88% on ARC-AGI-1 at est. $4.5k/task Today, we’ve verified a new GPT-5.2 Pro (X-High) SOTA score of 90.5% at $11.64/task This represents a ~390X efficiency improvement in one year

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artificial intelligencemachine learningai researchmodel performancedeep learningai efficiencyopenai

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