Hermes 4 405B: price, context, what it takes
Hermes 4 405B from nousresearch, as OpenRouter's public list names it: nousresearch/hermes-4-405b. Read 2026-11-06.
Prices are OpenRouter's, in US dollars. For most models that is the vendor's own list price; a vendor selling direct can differ.
- Input, per 1M tokens$1.00
- Output, per 1M tokens$3.00
- Cached input, per 1M tokens$0.200
- Context window131,072 tokens
- Longest answer117,964 tokens
- Takestext
- Givestext
- Acceptsreasoning, JSON schema
- Released2025-08-26
- In the list since2026-10-28
One price since 2026-10-28, read 1 times.
Before we count this visit
Analytics and ad measurement tell us which pages and which of our ads do their job: Google Analytics and Google Ads, the Meta pixel, Yandex Metrica, and one first-party id of our own. Nothing is stored until you answer, and declining changes nothing about the site.