GPT-5.3 Codex (xhigh)

#18

OpenAI

openai/gpt-5-3-codex

OpenAI

Context window400K

Input pricing$1.75/M tokens

Output pricing$14.00/M tokens

Modalitytext+image+file->text

All Scores

Intelligence Index44.3

Coding Index—

Reasoning Index—

Category Scores

Axes with no data are shown as 0.

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