claude-opus-5.5 vs gpt-4o

Pricing and scores side by side. Blank cells mean the price is undisclosed or the model did not take that test.

InputUSD / 1M tokens$4.00$2.50
OutputUSD / 1M tokens$20.00$10.00
Monthly costat 10M tokens/month$80.00₩105,912$43.75₩57,921
Context1M128K
Report card
Overall57.6#1/1758.4#137/175
ScienceGPQAnot taken54.3#129/159
MathAA Math Indexnot taken6.0#85/94
ReadingAA-LCR84.7#4/15549.3#110/155
KnowledgeMMLU-Pronot taken74.8#61/92
Instruction followingIFBenchnot taken34.3#106/129
Hard reasoningHLE61.4#1/1712.4#168/171

Measured and published by Artificial Analysis. Each subject is a different test, so compare within a subject rather than across them.

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