claude-opus-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$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#8/17532.5#41/175
ScienceGPQA93.2#11/15991.5#24/159
CodingAA Coding Index78.0#2/82not taken
ReadingAA-LCR79.3#41/15583.3#10/155
Instruction followingIFBenchnot taken75.4#19/129
Hard reasoningHLE54.9#6/17142.5#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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