OpenAI
GPT-5.6 Sol None
Released 2026-07-09 · Data snapshot 2026-10-26
Overall score
47.6
Awaiting benchmarks (insufficient coverage)Benchmark coverage
11.5%
3 third-party benchmarks
Context window
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tokens
Input price
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per million tokens
Output price
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per million tokens
Dimension performance
Reasoning
47.6
Above averageBelow averageAnchored at 50 (reference models’ average); every 15 points ≈ one standard deviation
Benchmark details
Reasoning2 items
Mystery Game Puzzles33
Chess Puzzles7
Knowledge1 items
GPQA Diamond82.8
Multiple reasoning tiers of the same benchmark take the best value; raw scores have different scales and are not comparable across benchmarks.