claude-sonnet-5.5 vs gpt-5.3-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$2.00$1.75
OutputUSD / 1M tokens$10.00$14.00
Monthly costat 10M tokens/month$40.00₩52,956$48.13₩63,713
Context1M400K
Report card
Overall56.0#2/17532.5#41/175
ScienceGPQAnot taken91.5#24/159
ReadingAA-LCR82.7#14/15583.3#10/155
Instruction followingIFBenchnot taken75.4#19/129
Hard reasoningHLE55.0#5/17142.5#27/171

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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