Nous Research models
Nous Research fine-tunes open-weight base models into the Hermes series, known for instruction following and a neutral, steerable voice. Zeplik carries Hermes 4 405B and the Hermes 3 releases.
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All 1 Nous Research model
Pricing at a glance
| Model | Context | Input cr/M | Output cr/M | Released |
|---|---|---|---|---|
| Hermes 4 405B | 131K | 12.0 | 36.0 | August 2025 |
Frequently asked questions
- Which Nous Research models can I use on Zeplik?
- Zeplik carries 1 Nous Research model: Hermes 4 405B. They all run in the same chat, so you do not need a separate Nous Research account or API key.
- How much do Nous Research models cost on Zeplik?
- Output tokens cost 36.0 credits per million (raw provider rate $3.00 per million). 1 credit = $0.10, computed from the raw provider rate with a 1.20x margin.
- Which Nous Research model has the largest context window?
- Hermes 4 405B, at 131K tokens (131,072). The context window covers the conversation plus any documents you attach.
- Do Nous Research models support images and tool calling?
- None of the 1 accept image input, and none support tool calling.
- Do I need a paid plan to use Nous Research models on Zeplik?
- All 1 need a paid plan (Plus or above). Usage is then billed in credits from your monthly allowance.
- What is the newest Nous Research model on Zeplik?
- Hermes 4 405B, released August 2025. Hermes 4 is a large-scale reasoning model built on Meta-Llama-3.1-405B and released by Nous Research.
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