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Hermes 4 405B by NousResearch

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  Arxiv:2508.18255   Atropos   Autotrain compatible Base model:finetune:meta-llama... Base model:meta-llama/llama-3....   Chat   Chatml   Conversational   Dataforge   En   Endpoints compatible   Finetuned   Function calling   Hybrid-mode   Instruct   Json mode   Llama   Llama-3.1   Long context   Reasoning   Region:us   Roleplaying   Safetensors   Sharded   Structured outputs   Tensorflow   Tool use
Model Card on HF 🤗: https://huggingface.co/NousResearch/Hermes-4-405B 

Hermes 4 405B Benchmarks

LLME Score: 0.30622
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
Hermes 4 405B (NousResearch/Hermes-4-405B)
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Hermes 4 405B Parameters and Internals

LLM NameHermes 4 405B
Repository 🤗https://huggingface.co/NousResearch/Hermes-4-405B 
Base Model(s)  meta-llama/Meta-Llama-3.1-405B   meta-llama/Meta-Llama-3.1-405B
Model Size405b
Required VRAM191.2 GB
Updated2025-08-28
MaintainerNousResearch
Model Typellama
Model Files  4.8 GB: 1-of-191   4.0 GB: 2-of-191   4.6 GB: 3-of-191   4.6 GB: 4-of-191   3.5 GB: 5-of-191   4.6 GB: 6-of-191   4.6 GB: 7-of-191   3.5 GB: 8-of-191   4.6 GB: 9-of-191   4.6 GB: 10-of-191   3.5 GB: 11-of-191   4.6 GB: 12-of-191   4.6 GB: 13-of-191   3.5 GB: 14-of-191   4.6 GB: 15-of-191   4.6 GB: 16-of-191   3.5 GB: 17-of-191   4.6 GB: 18-of-191   4.6 GB: 19-of-191   3.5 GB: 20-of-191   4.6 GB: 21-of-191   4.6 GB: 22-of-191   3.5 GB: 23-of-191   4.6 GB: 24-of-191   4.6 GB: 25-of-191   3.5 GB: 26-of-191   4.6 GB: 27-of-191   4.6 GB: 28-of-191   3.5 GB: 29-of-191   4.6 GB: 30-of-191   4.6 GB: 31-of-191   3.5 GB: 32-of-191   4.6 GB: 33-of-191   4.6 GB: 34-of-191   3.5 GB: 35-of-191   4.6 GB: 36-of-191   4.6 GB: 37-of-191   3.5 GB: 38-of-191   4.6 GB: 39-of-191   4.6 GB: 40-of-191   3.5 GB: 41-of-191   4.6 GB: 42-of-191   4.6 GB: 43-of-191   3.5 GB: 44-of-191   4.6 GB: 45-of-191
Supported Languagesen
Model ArchitectureLlamaForCausalLM
Licensellama3
Context Length131072
Model Max Length131072
Transformers Version4.52.4
Vocabulary Size128256
Torch Data Typebfloat16

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Note: green Score (e.g. "73.2") means that the model is better than NousResearch/Hermes-4-405B.

Rank the Hermes 4 405B Capabilities

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Instruction Following and Task Automation  
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