Model dossier

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...

ProviderNous Research Start comparison

Context131,072

Max outputn/a

Pricing viewTVP price

Identity

Nous: Hermes 4 405B

Model ID: nousresearch/hermes-4-405b
Canonical slug: nousresearch/hermes-4-405b
Knowledge cutoff: 2024-08-31
Created: 8/26/2025

Capabilities

textstructured

Modalities

text->texttext

Capacity

Context131,072

Max outputn/a

TokenizerOther