SFAI / MODEL PROFILE
Nous: Hermes 4 405B (nousresearch/hermes-4-405b)
Hermes 4 is a large-scale reasoning model built on Meta-Llama-3.1-405B and released by Nous Research. It introduces a hybrid reasoning mode, where the model can choose to deliberate internally with...
- Developer
- nousresearch
- Input modalities
- text
- Output modalities
- text
- Context tokens
- 131,072
- Latest price observation
- 2026-09-27
- Lowest paired standard token quote
- $1.00 input / $3.00 output per 1M tokens
Dated price and provider records
| Provider and channel | Input | Output or native rate | Unit and status | Source and observation |
|---|---|---|---|---|
| Automatic routingopenrouter | $1.00 | $3.00 | 1M tokenspriced · USD | openrouter2026-09-27 |
These are dated, non-executable observations. Verify the exact endpoint, price and terms with the source before use. Unknown values are not free.