Two API settings triple GPT-5.6 ARC-AGI-3 scores
Enabling reasoning retention and compaction settings in the GPT-5.6 API dramatically improved benchmark performance on ARC-AGI-3, showing that configuration choices can significantly affect model capability on abstract reasoning tasks.
PUBLISHED2026-07-29
OBSERVED2026-08-11
AGE27d
SOURCES1
Two API settings for GPT-5.6 — retaining reasoning traces and enabling compaction — together tripled scores on the ARC-AGI-3 benchmark while also improving efficiency.
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