claude-opus-5 vs gpt-5-nano

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

InputUSD / 1M tokens$5.00$0.05
OutputUSD / 1M tokens$25.00$0.40
Monthly costat 10M tokens/month$100.00₩132,390$1.38₩1,820
Context1M400K
Report card
Overall50.8#8/17513.0#109/175
ScienceGPQA93.2#11/15967.6#112/159
MathAA Math Indexnot taken83.7#21/94
CodingAA Coding Index78.0#2/82not taken
ReadingAA-LCR79.3#41/15545.0#117/155
KnowledgeMMLU-Pronot taken78.0#52/92
Instruction followingIFBenchnot taken67.6#46/129
Hard reasoningHLE54.9#6/1719.5#107/171

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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