Hermes 4 405 B pricing
Source: openrouter · updated 2026-10-28
Short answer: Hermes 4 405 B costs $1.00 per million input tokens and $3.00 per million output tokens. That is a 3:1 blended rate of $1.50 per million tokens, ranking it #474 of 713 tracked models by input price.
Price breakdown
| Metric | USD |
|---|---|
| Input, per 1M tokens | $1.00 |
| Output, per 1M tokens | $3.00 |
| Output รท input multiple | 3.00× |
| 3:1 blended, per 1M tokens | $1.50 |
| Context window | 131,072 tokens |
What a typical workload costs
| Monthly volume | Input cost | Output cost | Total | 1M in / 250K out | $1.00 | $0.750 | $1.75 |
|---|---|---|---|---|---|---|---|
| 10M in / 2.5M out | $10.00 | $7.50 | $17.50 | ||||
| 100M in / 25M out | $100 | $75.00 | $175 |
Other nousresearch models
| Model | Input | Output |
|---|---|---|
| Hermes 3 Llama 3.1 70 B | $0.700 | $0.700 |
| Hermes 3 Llama 3.1 405 B | $1.00 | $1.00 |
Cheaper alternatives
Next cheaper option: Grok 3 Mini Fast at $0.600 per 1M input tokens. Next step up: GLM 5 at $1.00 per 1M input tokens.