API pricing

# Nous Research API pricing

> Nous Research API prices run from $0.70 per million input tokens (Hermes 3 70B Instruct) to $1 (Hermes 4 405B).
- Canonical page: https://noometry.com/llm-pricing/nous-research
- Last updated: 2026-10-10
- Title: Nous Research API Pricing (October 2026): Every Model per 1M Tokens

Nous Research API prices run from $0.70 per million input tokens (Hermes 3 70B Instruct) to $1 (Hermes 4 405B).

Last verified October 10, 2026

API prices per million tokens
|  |  |  | Cached input |  |  |  |
| --- | --- | --- | --- | --- | --- | --- |
| [Hermes 3 70B Instruct](https://noometry.com/models/hermes-3-70b-instruct) (open weights) | $0.70 | $0.70 | — | **$0.70** | 131K | — |
| [Hermes 3 405B Instruct](https://noometry.com/models/hermes-3-405b-instruct) (open weights) | $1 | $1 | — | **$1** | 131K | — |
| [Hermes 4 405B](https://noometry.com/models/hermes-4-405b) (open weights) | $1 | $3 | — | **$1.50** | 131K | — |

## Prices on other platforms

The same models are often sold through clouds and resellers at different rates.

| Model | Route | Input | Output | Checked |
| --- | --- | --- | --- | --- |
| [Hermes 3 405B Instruct](https://noometry.com/models/hermes-3-405b-instruct) | openrouter | $1 | $1 | 2026-10-10 |
| [Hermes 3 70B Instruct](https://noometry.com/models/hermes-3-70b-instruct) | openrouter | $0.70 | $0.70 | 2026-10-10 |
| [Hermes 4 405B](https://noometry.com/models/hermes-4-405b) | openrouter | $1 | $3 | 2026-10-10 |

## Frequently asked questions

### How much does the Nous Research API cost?

Nous Research API prices run from $0.70 per million input tokens (Hermes 3 70B Instruct) to $1 (Hermes 4 405B).