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GPT-5.3 Codex

OpenAI

Agentic coding model

Input Price

$1.75

per 1M tokens

Output Price

$14.00

per 1M tokens

Context Window

400K

tokens

Max Output

128K

tokens

Price history will appear after the next price change
medium speedtextReleased 2026-02-01
Calculate costOfficial pricingTry OpenAI API

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