Nous: Hermes 4 405B
NousresearchHermes 4 is a large-scale reasoning model built on Meta-Llama-3.1-405B and released by Nous Research. It introduces a hy
High value
Text
Specifications
| Vendor | Nousresearch |
| Family | nousresearch |
| Context | 131.1K · 98.3k words（≈ a thesis） |
| Max output | 131.1K · 98.3k words（≈ a thesis） |
| Released | 2026-06-19 |
| Open source | No |
| Tool use | — |
Pricing across channels
per 1M tokens, USD
| Channel | Type | Input | Output | → |
|---|---|---|---|---|
| OpenRouter (auto) | Aggregator | $1.00 | $3.00 | visitAd |
OpenRouter API (auto-fetched)· 2026-06-19
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