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Nous Hermes 4 405B

Hermes 4 is a large-scale reasoning model built on Meta-Llama-3.1-405B and released by Nous Research. It introduces a hybrid reasoning mode, where the model can choose to deliberate internally with...

Nous Hermes 4 405B costs $1.00 per 1M input tokens and $3.00 per 1M output tokens at the standard tier, the lowest default-region price among the 1 provider SF·SIX tracks, from Nebius AI Studio (fp8). Updated ; prices checked .

Checked · Source: OpenRouter · Methodology

Developer
Nous Research
Input modalities
text
Output modalities
text
Context tokens
131,072
Latest price observation
2026-10-17
Lowest paired standard token quote
$1.00 input / $3.00 output per 1M tokens

Dated price and provider records

Dated price and provider records
Provider and channelInputOutput or native rateUnit and statusSource and observation
Nebius AI StudioOpenRouter$1.00$3.001M tokenspriced · USDOpenRouter2026-10-17

These are dated, non-executable observations. Verify the exact endpoint, price and terms with the source before use. Unknown values are not free.

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