claude-opus-5 vs gpt-oss-20b
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$0.02
OutputUSD / 1M tokens$25.00$0.09
Monthly costat 10M tokens/month$100.00₩132,390$0.36₩477
Context1M131K
Report card
Overall50.8#8/1759.0#134/175
ScienceGPQA93.2#11/15968.8#109/159
MathAA Math Indexnot taken89.3#13/94
CodingAA Coding Index78.0#2/8220.7#66/82
ReadingAA-LCR79.3#41/15534.7#125/155
KnowledgeMMLU-Pronot taken74.8#61/92
Instruction followingIFBenchnot taken65.1#50/129
Hard reasoningHLE54.9#6/17111.0#103/171
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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