IndexAll categories, out of 100.UnrankedMedian 51.0
CoverageIndex weight that has results.0%
SpeedOutput tokens per second.44/sMedian 67/s
First tokenSeconds to the first output token.0.3 sMedian 1.3 s
Input / 1MUS dollars per 1M input tokens.$1.00Median $0.60
Output / 1MUS dollars per 1M output tokens.$3.00Median $2.55
ContextMaximum tokens in one request.131KMedian 262K
EloLMArena rating and rank.—Median 1422
Details
From OpenRouter- API IDThe model ID on OpenRouter.
nousresearch/hermes-4-405b- Max outputMaximum output tokens per request.
- 118K
- Knowledge cutoffLast date of training data.
- 31 Aug 2024
- ToolsTool calls on OpenRouter.
- No
- JSON outputOutput follows a given JSON schema.
- Yes
- Cache read / 1MUS dollars per 1M cached tokens.
- $0.20
- WeightsLink to the published weights.
- Hugging Face (opens in a new tab) ↗
- RetiresDate OpenRouter removes the model.
- —
Where to run
APIs that serve this model.ProviderTypeMaker, cloud, host or router.InputOutputContext
US dollars per 1M tokens, list price. From models.dev (opens in a new tab) (MIT).
Capabilities
Index per category, out of 100.Results
0 countedThis model has no scored result.
Sources
BenchLMCC BY-NC 4.0OpenRouterTerms restrict reusemodels.devMITHistory
5 releases23 Oct 202612 Nov 2026
Questions
- How much does Hermes 4 405B cost?
- $1.00 per 1M input tokens, $3.00 per 1M output tokens.
- How fast is Hermes 4 405B?
- 44 output tokens per second, 0.3 s to the first token.
- What is the context window of Hermes 4 405B?
- 131K tokens.
- Is Hermes 4 405B open source?
- Yes. Its weights are published.
- When was Hermes 4 405B released?
- August 2025.