claude-sonnet-5.5 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$2.00$0.05
OutputUSD / 1M tokens$10.00$0.40
Monthly costat 10M tokens/month$40.00₩52,956$1.38₩1,820
Context1M400K
Report card
Overall56.0#2/17513.0#109/175
ScienceGPQAnot taken67.6#112/159
MathAA Math Indexnot taken83.7#21/94
ReadingAA-LCR82.7#14/15545.0#117/155
KnowledgeMMLU-Pronot taken78.0#52/92
Instruction followingIFBenchnot taken67.6#46/129
Hard reasoningHLE55.0#5/1719.5#107/171
Measured and published by Artificial Analysis. Each subject is a different test, so compare within a subject rather than across them.
Try another pair
Swap one side and keep comparing.