claude-opus-5 vs gpt-5.2-codex
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$1.75
OutputUSD / 1M tokens$25.00$14.00
Monthly costat 10M tokens/month$100.00₩132,390$48.13₩63,713
Context1M400K
Report card
Overall50.8#8/17528.5#45/175
ScienceGPQA93.2#11/15989.9#37/159
CodingAA Coding Index78.0#2/82not taken
ReadingAA-LCR79.3#41/15582.3#18/155
Instruction followingIFBenchnot taken77.6#6/129
Hard reasoningHLE54.9#6/17135.7#46/171
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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