HLE-Diamond scores increase significantly with higher effort settings, but so does cost. Claude Opus 5.5 gains 26 points from low effort (42%) to max (68%) at ~35x the cost per task, and GPT-6 Astra gains 19 points from low (45%) to max (64%) at 11x the cost per task.
Higher effort lifts HLE-Diamond scores but raises per-task cost sharply
AIArtificial Analysis reports that HLE-Diamond scores rise with higher effort settings, but cost rises too. Claude Opus 5.5 goes from 42% at low effort to 68% at max, a 26-point gain at about 35x the cost per task.
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Artificial Analysis · x.comPublished
Original title: HLE-Diamond scores increase significantly with higher effort settings, but so does cost. Claude Opus 5.5 gains 26 points from low effort ...