API price
GPT-5.1-Codex-Mini API price
By OpenAI. $0.25 per million input tokens, $2.00 per million output tokens on OpenRouter. Collected November 12, 2026.
- $0.25
- $2.00
- 400,000
- —
- November 13, 2025
- August 22, 2026
Last 90 days
Price changes
No price change in this window.
What the numbers say
- Input costs less than 64% of the 443 paid models we track.
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