Verified65% confidenceBenchmarkExact time
Under the standard framework of ARC Prize, GPT-6 Astra's ARC-AGI-3 score is only 62.7.
3
Sources
65%
Confidence
Long-term
Relevance
9/21/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedOn the ARC-AGI-3 benchmark, the same GPT-5.6 model with only two configuration items in the Codex Harness changed saw its score rise from 13.3% to 38.3%, with output tokens reduced by a factor of six.71% similarUnverifiedGPT-6 Astra peaked at 98% on Frontier Math Tier 4, and still reached 83% without enabling reasoning or using chain-of-thought.67% similarUnverifiedPreviously, top models such as GPT-4 had scores on ARC-AGI that hovered in the range of single digits to 30 for a long time.67% similarVerifiedOn Terminal-Bench 4.0, Claude Opus 5.5 leads with 66.4%, followed by GPT-6 Astra at 61.8% and Argon at 57.4%.67% similarUnverifiedGPT-6 Astra achieved the best performance among the eight models with an average score of 0.90, followed by Claude Opus 5 with an average score of 0.82.66% similar
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