API price
Hermes 4 405B API price
By Nous. $1.00 per million input tokens, $3.00 per million output tokens on OpenRouter. Collected November 12, 2026.
- $1.00
- $3.00
- 131,072
- 405.9B
- August 26, 2025
- August 22, 2026
Last 90 days
Price changes
No price change in this window.
What the numbers say
- Input costs less than 32% of the 443 paid models we track.
Closest in price
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- Gemini 4 Argon (batch)$1.00 / $5.00
- Gemini 4 Carbon (batch)$1.00 / $5.00