Back to Models
Nous: Hermes 4 405B
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...
Modalities
Input
text
Output
text
Pricing
Cost per 1 million tokens
Input
$1.2
Output
$3.6
Model Specs
Context Window
131,072Max Output
131,072Release Date
2025-08-25Knowledge Cutoff
2023-12Capabilities
Reasoning
Tool Calling
Vision
Last Updated: 2025-08-25
Provider: