Hermes 3 405B Instruct: API pricing, providers and specs
Hermes 3 405B Instruct is a text model by Nous Research. 3 providers serve it, from $1 to $3 /1M; the lowest price is at OpenRouter.
How Hermes 3 405B Instruct compares
Against the 737 text models on the site priced the same way.
- Mid-priced: its lowest price is $1 /1M against a median of $1.10; 49% of comparable models cost less.
- Its 131K-token context window is larger than 21% of them (median 262K), about 200 pages of text.
- 3 providers serve it; 52% of comparable models have fewer.
- Its weights are open under the Llama 3 license: commercial use under the maker's terms.
Hermes 3 405B Instruct prices by provider
Every provider's list price, read from its own price page or API. A price marked “from” changes with context length, resolution or mode.
| Provider | Input | Output | Prompt caching | Context |
|---|---|---|---|---|
| OpenRouter | $1/1M | From$1/1M | — | 131K |
| AI/ML API | $1.06/1M | $1.06/1M | — | — |
 Venice AI | $1.10/1M | $3/1M | — | — |
- OpenRouterFrom$1
- AI/ML API$1.06
- Venice AI$3
Specs
- Type
- Text
- Maker
- Nous Research
- Inputs
- Text
- Outputs
- Text
- Context
- 131K≈ 200 pages of text
- Max output
- 16K
- Capabilities
- JSON
- Released
- Aug 13, 2024
- License
- Llama 3commercial use under the maker's terms
- Open weights
- Yes, downloadable
- Parameters
- 406B
- Monthly searches
- 5K
Alternatives to Hermes 3 405B Instruct
Same kind of model from other makers, at a similar price.
| Model | Lowest price | Context | Arena | Providers |
|---|---|---|---|---|
| Hermes 3 405B Instructthis model | $1/1M | 131K | — | 3 |
 GLM-5.3 | $1.10/1M | 1.05M | 1623 | 49 |
 Gemini 3 Flash | $2.40/1M | 1.05M | 1466 | 5 |
 Mistral Large 4 | $2.09/1M | 1.05M | 1543 | 13 |
 Qwen3.8 27B | $0.50/1M | 262K | 1591 | 33 |
| GPT-6 Luna | $0.40/1M | 1.05M | 1578 | 28 |
 Sonar | $1/1M | 127K | — | 9 |
| GLM-5.2 | $1.80/1M | 1M | 1604 | 44 |
| Grok Build 0.1 | $1.60/1M | 256K | — | 18 |
More from Nous Research
Hermes 3 405B Instruct FAQ
The lowest price for Hermes 3 405B Instruct is $1 /1M, at OpenRouter.
OpenRouter, at $1 /1M. 3 providers serve Hermes 3 405B Instruct; the table above lists every one with its price.
Hermes 3 405B Instruct reads up to 131K tokens per request and writes up to 16K.
Yes. Hermes 3 405B Instruct's weights can be downloaded from its maker's Hugging Face page, under the Llama 3 license.
About 406B, as the safetensors metadata of its official Hugging Face repo states.
3 API providers serve Hermes 3 405B Instruct. Compare their prices above, or open a provider to see everything it offers.
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