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ARC-AGI-3 tests how well models can learn unfamiliar 2D games without instructions. The standard harness discarded GPT-5.6 Sol’s reasoning a

ARC-AGI-3 tests how well models can learn unfamiliar 2D games without instructions. The standard harness discarded GPT-5.6 Sol’s reasoning after each move and dropped earlier actions as the context filled up. The model had to keep starting over. https://t.co/cLtHYMNqiO

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GPT-5.6 can change capability, routing, cost, or product scope for builders shipping against current model APIs.

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ARC-AGI-3 tests how well models can learn unfamiliar 2D games without instructions. The standard harness discarded GPT-5.6 Sol’s reasoning a

Why it matters: GPT-5.6 can change capability, routing, cost, or product scope for builders shipping against current model APIs.

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