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Claude Opus 5 (Adaptive Reasoning, Max Effort) vs GPT-5.6 Sol (max)

A metric-by-metric comparison using the latest available benchmark, runtime, and pricing values. Claude Opus 5 (Adaptive Reasoning, Max Effort) wins more comparable metrics.

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Claude Opus 5 (Adaptive Reasoning, Max Effort): 7
GPT-5.6 Sol (max): 4
Ties: 1
Metrics compared: 12

Compare Models

Metric	Claude Opus 5 (Adaptive Reasoning, Max Effort)	GPT-5.6 Sol (max)
Artificial Analysis Intelligence Index	60.7	58.9
Artificial Analysis Coding Index	78	77.4
LiveBench Mathematics	95.7%	96.2%
GPQA	93.2%	94.1%
Humanity's Last Exam	52.6%	47.2%
SciCode	55.7%	56.1%
Output Speed	43.9 tok/s	73.9 tok/s
Time to First Token	28.7 s	86.49 s
Blended Price	$10.00 / 1M	$11.25 / 1M
Input Price	$5.00 / 1M	$5.00 / 1M

Data & Evidence

Claude Opus 5 (Adaptive Reasoning, Max Effort)

Anthropic

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GPT-5.6 Sol (max)

OpenAI

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