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Hermes 4 405B by unsloth

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Hermes 4 405B is an open-source language model by unsloth. Features: 405b LLM, VRAM: 191.2GB, Context: 128K, License: llama3, LLM Explorer Score: 0.21.

  Arxiv:2508.18255   Atropos Base model:finetune:nousresear... Base model:nousresearch/hermes...   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   Unsloth
Model Card on HF 🤗: https://huggingface.co/unsloth/Hermes-4-405B 

Hermes 4 405B Benchmarks

LLME Score: 0.21221
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 (unsloth/Hermes-4-405B)
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Hermes 4 405B Parameters and Internals

LLM NameHermes 4 405B
Repository 🤗https://huggingface.co/unsloth/Hermes-4-405B 
Base Model(s)  Hermes 4 405B   NousResearch/Hermes-4-405B
Model Size405b
Required VRAM191.2 GB
Updated2026-04-07
Maintainerunsloth
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 Version4.55.4
Vocabulary Size128256
Torch Data Typebfloat16

Best Alternatives to Hermes 4 405B

Best Alternatives
Context / RAM
Downloads
Likes
Llama 3.1 405B Instruct FP8128K / 209.2 GB1045015
Meta Llama 3.1 405B128K / 186 GB521433808
Llama 3.1 405B128K / 183.1 GB193619968
Llama 3.1 405B Instruct128K / 183.1 GB211806595
Hermes 4 405B128K / 191.2 GB80273
Meta Llama 3.1 405B Instruct128K / 186 GB55654473
AGI 405B128K / 191.2 GB8833
Meta Llama 3.1 405B FP8128K / 197.6 GB13149994
Hermes 4 405B FP8128K / 213.8 GB24321
...ta Llama 3.1 405B Instruct FP8128K / 197.6 GB55370165
Note: green Score (e.g. "73.2") means that the model is better than unsloth/Hermes-4-405B.

Rank the Hermes 4 405B Capabilities

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Instruction Following and Task Automation  
Factuality and Completeness of Knowledge  
Censorship and Alignment  
Data Analysis and Insight Generation  
Text Generation  
Text Summarization and Feature Extraction  
Code Generation  
Multi-Language Support and Translation  

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