Nous: Hermes 4 405B: pricing, specs, and how to use it (2026)
Nous: Hermes 4 405B is an AI model from Nous Research, available alongside ChatGPT, Claude, Gemini, and 300+ other models inside Admix on one subscription from $8.99/mo.
Quick specs
| Provider | Nous Research |
| Model ID | nousresearch/hermes-4-405b |
| Input price | $1.00 / 1M tokens |
| Output price | $3.00 / 1M tokens |
| Tier | starter |
| Accepts images | No |
| Category | Basic |
How to use Nous: Hermes 4 405B in Admix
Open Admix, pick Nous: Hermes 4 405B from the model list, and start chatting. You can also run the same prompt through Nous: Hermes 4 405B and other frontier models like Claude, GPT-5, and Gemini side by side, then pick the best answer or spot disagreement. One subscription, no separate API key.
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FAQ
What is Nous: Hermes 4 405B?
Nous: Hermes 4 405B is an AI model from Nous Research, available inside Admix alongside 300+ other frontier and open-source AI models on one subscription.
How much does Nous: Hermes 4 405B cost?
Nous: Hermes 4 405B costs $1.00 per million input tokens and $3.00 per million output tokens. In Admix you use it inside one subscription starting at $8.99 per month, no separate API key required.
Can I compare Nous: Hermes 4 405B with ChatGPT, Claude, or Gemini?
Yes. Admix lets you run the same prompt through Nous: Hermes 4 405B and any of the other 300+ models in the catalog, then see the answers side by side.
Try Nous: Hermes 4 405B in Admix
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