Codex pricing

Transparent per-token rates for the gpt-5-codex model. No hidden markups, no monthly minimums — pay only for what you use.

Input

$1.50

per million tokens

Prompt tokens, system messages, and any context you send to the model.

Output

$6.00

per million tokens

Completion tokens generated by the model, including reasoning chains.

Example

A typical 10k-token prompt with a 2k-token response costs approximately $0.027. Billing is per-token, rounded to the nearest thousandth of a cent.

Rates effective as of June 2026. Volume discounts available for enterprise — contact sales.