claude-opus-5.5 vs kimi-k2-0905

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$0.60
OutputUSD / 1M tokens$20.00$2.50
Monthly costat 10M tokens/month$80.00₩105,912$10.75₩14,232
Context1M262K
Report card
Overall57.6#1/17515.3#97/175
ScienceGPQAnot taken76.7#87/159
MathAA Math Indexnot taken57.3#40/94
ReadingAA-LCR84.7#4/15553.0#101/155
KnowledgeMMLU-Pronot taken81.9#34/92
Instruction followingIFBenchnot taken41.7#81/129
Hard reasoningHLE61.4#1/1716.4#122/171

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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