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Hermes 2 Pro Mistral 7B by NousResearch

By NousResearch · 2406 downloads
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Hermes 2 Pro Mistral 7B is an open-source language model by NousResearch. Features: 7b LLM, VRAM: 14.5GB, Context: 32K, License: apache-2.0, LLM Explorer Score: 0.22, Arc: 64.2, HellaSwag: 82.7, MMLU: 62.2, GSM8K: 60.4.

Base model:finetune:mistralai/... Base model:mistralai/mistral-7...   Chatml   Conversational   Dataset:teknium/openhermes-2.5   Deploy:azure   Distillation   Dpo   En   Endpoints compatible   Finetuned   Function calling   Gpt4   Instruct   Json mode   Mistral   Region:us   Rlhf   Safetensors   Sharded   Synthetic data   Tensorflow
Model Card on HF 🤗: https://huggingface.co/NousResearch/Hermes-2-Pro-Mistral-7B 

Hermes 2 Pro Mistral 7B Parameters and Internals

Model Type 
text generation, function calling, structured outputs
Use Cases 
Areas:
general task, conversation, function calling
Additional Notes 
Developed in collaboration with Fireworks.AI and @interstellarninja.
Training Details 
Data Sources:
OpenHermes 2.5 Dataset, Function Calling and JSON Mode dataset developed in-house
Methodology:
Special system prompt and multi-turn function calling structure with ChatML.
Input Output 
Input Format:
ChatML - special tokens for beginning and end of turns, roles.
Accepted Modalities:
text
Output Format:
text, JSON structured outputs.
Performance Tips:
Set 'add_generation_prompt=True' when tokenizing messages for generation using 'apply_chat_template()'.
Release Notes 
Version:
Hermes-2-Pro-Mistral-7B
Notes:
Enhanced with function calling capabilities and JSON mode responses.
LLM NameHermes 2 Pro Mistral 7B
Repository 🤗https://huggingface.co/NousResearch/Hermes-2-Pro-Mistral-7B 
Base Model(s)  mistralai/Mistral-7B-v0.1   mistralai/Mistral-7B-v0.1
Model Size7b
Required VRAM14.5 GB
Updated2026-08-07
MaintainerNousResearch
Model Typemistral
Model Files  4.0 GB: 1-of-4   3.9 GB: 2-of-4   3.9 GB: 3-of-4   2.7 GB: 4-of-4
Supported Languagesen
Model ArchitectureMistralForCausalLM
Licenseapache-2.0
Context Length32768
Model Max Length32768
Transformers Version4.38.2
Tokenizer ClassLlamaTokenizer
Padding Token</s>
Vocabulary Size32032
Torch Data Typebfloat16

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