Model prices / Nous Research / Hermes 4 405B
Hermes 4 405BOpen weights
Nous Research · released 2025-08-26
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.
Price by providerUSD per 1M tokens
| Provider | Input | Output | Cached | Notes | |
|---|---|---|---|---|---|
CCortecsLowesthermes-4-405b | $0.996 | $2.989 | — | Lowest | Official docs |
KKilo Gatewaynousresearch/ | $1 | $3 | $0.2 | Official docs | |
 Nebius Token FactoryNousResearch/ | $1 | $3 | $1 | Official docs | |
 OpenRouternousresearch/ | $1 | $3 | $0.2 | Official docs |
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.
About
Reasoning model for deliberate analysis, multi-step problem solving, and tool use
Description from models.dev.
Specs
- Type
- Text
- Context
- 131K
- Max output
- 118K
- Input
- Text
- Output
- Text
- Reasoning
- Yes
- Tool calling
- No
- Structured output
- Yes
- Knowledge cutoff
- 2024-08-31
- Open weights
- Yes
- Released
- 2025-08-26
Source
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.