Featured · Artificial Intelligence (AI)

GPT-6 Astra Scored 99.9% on ARC-AGI-3. On the Neutral Harness It Scored 62.7%

On September 3, 2026, ARC Prize published two scores for the same model on the same benchmark on the same day. GPT-6 Astra scored 62.7% on arc-agi-3 under the standard, provider-neutral harness, and 99.9%…

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AI 12 min read Updated Sep 14, 2026