Hermes 4 405B pricing
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... Live index: 1 priced offer. Best input $1.00 per million tokens from Openrouter. Best output $3.00 per million tokens from Openrouter.
Pricing across providers
Use this table to read Hermes 4 405B list prices. We show 1 source right now. Lowest input in the grid: Openrouter. The chart below the table helps when output prices are much higher than input prices.
| Provider | Input / 1M | Output / 1M | Cached input | Batch |
|---|---|---|---|---|
O Openrouter | $1.00 | $3.00 | — | — |
Input vs output · 1M tokens
Cost calculator
Pick any provider row and type how many tokens you expect per day, week, or year. We turn that into rough dollar totals for Hermes 4 405B.
0.100000¢ / req
0.150000¢ / req
Model specifications
Quick spec sheet for Hermes 4 405B before you dive back into pricing. Reported under Nous Research.
- Context window
- 131,072 tokens
- Max output
- N/A
- Vision (images)
- No
- Tool / function calling
- No
- Streaming
- Yes
- Released
- Aug 2025
- Primary provider
- Nous Research
- Model family
- N/A
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Frequently asked questions
Quick frequently asked items for Hermes 4 405B pricing and limits. The short model note from our index: 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...
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