Hermes 4 405Bon Krater.ai
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
Released August 26, 2025
Specifications
Hermes 4 405B at a glance
Context
131.1K tokens
Input
Text
Output
Text
Input price
$1.00 / 1M
Output price
$3.00 / 1M
Knowledge cutoff
2024-08-31
Capabilities
What it is good at
Catalog capabilities
- Generates text responses
Good for
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Compare Hermes 4 405B
Hermes 4 405B vs Hermes 3 405B Instruct
Hermes 3 is a generalist language model with many improvements over Hermes 2, including advanced agentic capabilities, much better roleplaying, reasoning, multi-turn conversation, long context coherence, and improvements across the
Open comparisonHermes 4 405B vs Hermes 3 70B Instruct
Hermes 3 is a generalist language model with many improvements over Hermes 2, including advanced agentic capabilities, much better roleplaying, reasoning, multi-turn conversation, long context coherence, and improvements across the
Open comparisonHermes 4 405B vs Hermes 4 70B
Hermes 4 70B is a hybrid reasoning model from Nous Research, built on Meta-Llama-3.1-70B.
Open comparisonFAQ
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