GPT-6 Astra crushes ARC-AGI-3: 62.7% standard, 99.9% with adapter harness
Hesamation · x · 2026-09-04
When ARC-AGI-3 launched, models struggled to reach 10%. GPT-6 Astra scores 62.7% with the standard harness and 99.9% with the provider adapter harness—a gap that also highlights how much harness choice affects benchmark results.
Related event: GPT-6 Astra Hits Record 62.7% on ARC-AGI-3(3 posts)→
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