claude-fable-5.1 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$10.00$0.05
OutputUSD / 1M tokens$50.00$0.40
Monthly costat 10M tokens/month$200.00₩264,781$1.38₩1,820
Context1M400K
Report card
Overall53.4#4/17513.0#109/175
ScienceGPQA93.7#7/15967.6#112/159
MathAA Math Indexnot taken83.7#21/94
CodingAA Coding Index81.6#1/82not taken
ReadingAA-LCR85.3#3/15545.0#117/155
KnowledgeMMLU-Pronot taken78.0#52/92
Instruction followingIFBenchnot taken67.6#46/129
Hard reasoningHLE59.1#2/1719.5#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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