claude-opus-5.5 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$4.00$1.75
OutputUSD / 1M tokens$20.00$14.00
Monthly costat 10M tokens/month$80.00₩105,912$48.13₩63,713
Context1M400K
Report card
Overall57.6#1/17528.5#45/175
ScienceGPQAnot taken89.9#37/159
ReadingAA-LCR84.7#4/15582.3#18/155
Instruction followingIFBenchnot taken77.6#6/129
Hard reasoningHLE61.4#1/17135.7#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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