Model pricing
GPT-5-Codex API list price — cost per token
GPT-5-Codex costs $1.25 per million input tokens and $10.00 per million output tokens (USD). Requests over 272K tokens are billed at a premium tier for the whole request.
| Token rate | USD / 1M tokens |
|---|---|
| Effortqualitative reasoning depth | Medium |
| Inputper 1M tokens | $1.25 |
| Output | $10.00 |
| Cache read0.1× input | $0.13 |
Notional list price. These are OpenAI (GPT-5.x / Codex) API list prices in USD. On a Codex usage this is a notional list price — what usage would cost at API rates, not metered spend.
Cache & context economics
GPT-5-Codex adds cache reads at $0.13 / 1M — about a tenth of input.
Common questions
- How much does GPT-5-Codex cost per million tokens?
- $1.25 input and $10.00 output per million tokens (USD list price).
- What is the cache-read price for GPT-5-Codex?
- $0.13 per million cached-read tokens — about a tenth of the input rate.
Track your real cost with JP the Cat
A live menu-bar total, priced to the cent from your local logs — including the cache-write split most tools miss.
Download MeowPrefer Homebrew? Install the same signed, notarized app from JP's public tap.
brew tap 8bittts/jpthecat
brew trust 8bittts/jpthecat
brew install --cask jpthecat