API price
GPT-5.4 Nano API price
By OpenAI. $0.20 per million input tokens, $1.25 per million output tokens on OpenRouter. Collected November 12, 2026.
- $0.20
- $1.25
- 400,000
- —
- March 17, 2026
- August 22, 2026
Last 90 days
Price changes
No price change in this window.
What the numbers say
- Input costs less than 68% of the 443 paid models we track.
Closest in price
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