# Hermes 4 405B API pricing

No price from the maker itself is on record for Hermes 4 405B. The lowest of 4 providers is Cortecs: $0.996 per 1M input tokens and $2.989 per 1M output tokens (as of 2026-11-12). Context window: 131K tokens, up to 118K output tokens per request.

- Type: Text
- Context: 131K
- Max output: 118K
- Released: 2025-08-26
- Open weights: Yes

## Price by provider (USD per 1M tokens)

| Provider | Model id | Input | Output | Cached | Notes |
| --- | --- | --- | --- | --- | --- |
| [Cortecs](https://api.cortecs.ai/v1/models) | hermes-4-405b | $0.996 | $2.989 | — | Lowest |
| [Kilo Gateway](https://kilo.ai) | nousresearch/hermes-4-405b | $1 | $3 | $0.2 |  |
| [Nebius Token Factory](https://docs.tokenfactory.nebius.com/) | NousResearch/Hermes-4-405B | $1 | $3 | $1 |  |
| [OpenRouter](https://openrouter.ai/models) | nousresearch/hermes-4-405b | $1 | $3 | $0.2 |  |

Providers are those listed by models.dev. This site has not vetted them one by one; each provider's own page has the binding price.

Prices and specs come from models.dev (MIT licence), updated 2026-11-12. Each provider's name links to its official docs. A provider priced at 0 usually includes the model in a subscription; it is not necessarily a free API.

https://apibook.ai/models/nousresearch/hermes-4-405b/