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---
language:
- en
- de
library_name: transformers
pipeline_tag: text-generation
license: apache-2.0
tags:
- merge
- mergekit
---
_Hermes + Leo = Hermeo_
# Hermeo-7B
A German-English language model merged from [DPOpenHermes-7B-v2](https://huggingface.co/openaccess-ai-collective/DPOpenHermes-7B-v2) and [leo-mistral-hessianai-7b-chat](https://huggingface.co/LeoLM/leo-mistral-hessianai-7b-chat) using [mergekit](https://github.com/cg123/mergekit).
Both base models are fine-tuned versions of [Mistral-7B-v0.1](https://huggingface.co/mistralai/Mistral-7B-v0.1).
### Model details
- **Merged from:** [leo-mistral-hessianai-7b-chat](https://huggingface.co/LeoLM/leo-mistral-hessianai-7b-chat) and [DPOpenHermes-7B-v2](https://huggingface.co/openaccess-ai-collective/DPOpenHermes-7B-v2)
- **Model type:** Causal decoder-only transformer language model
- **Languages:** English and German
- **License:** [Apache 2.0](https://www.apache.org/licenses/LICENSE-2.0.html)
### How to use
You can use this model directly with a pipeline for text generation. Since the generation relies on some randomness, we
set a seed for reproducibility:
```python
>>> from transformers import pipeline, set_seed
>>> generator = pipeline('text-generation', model='malteos/hermeo-7b')
>>> set_seed(42)
>>> generator("Hallo, Ich bin ein Sprachmodell,", max_length=40, num_return_sequences=1)
[{'generated_text': 'Hallo, Ich bin ein Sprachmodell, das dir bei der Übersetzung von Texten zwischen Deutsch und Englisch helfen kann. Wenn du mir einen Text in Deutsch'}]
```
### Acknowledgements
- This model release is heavily inspired by [Weyaxi/OpenHermes-2.5-neural-chat-v3-2-Slerp](https://huggingface.co/Weyaxi/OpenHermes-2.5-neural-chat-v3-2-Slerp)
- Thanks to the authors of the base models: [Mistral](https://mistral.ai/), [LAION](https://laion.ai/), [HessianAI](https://hessian.ai/), [Open Access AI Collective](https://huggingface.co/openaccess-ai-collective), [@teknium](https://huggingface.co/teknium), [@bjoernp](https://huggingface.co/bjoernp)
- The [German evaluation datasets and scripts](https://github.com/bjoernpl/lm-evaluation-harness-de/tree/mmlu_de) from [@bjoernp](https://huggingface.co/bjoernp) were used.
- The computing resources from [DFKI's PEGASUS cluster](https://pegasus.dfki.de/) were used for the evaluation.
## Evaluation
The evaluation methdology of the [Open LLM Leaderboard](https://huggingface.co/spaces/HuggingFaceH4/open_llm_leaderboard) is followed.
### German benchmarks
| **German tasks:** | **MMLU-DE** | **Hellaswag-DE** | **ARC-DE** |**Average** |
|-------------------------------|-------------|---------------|--------------|--------------|
| **Models / Few-shots:** | _(5 shots)_ | _(10 shots)_ | _(24 shots)_ | |
| _7B parameters_ | | | | |
| llama-2-7b | 0.400 | 0.513 | 0.381 | 0.431 |
| leo-hessianai-7b | 0.400 | 0.609 | 0.429 | 0.479 |
| bloom-6b4-clp-german | 0.274 | 0.550 | 0.351 | 0.392 |
| mistral-7b | **0.524** | 0.588 | 0.473 | 0.528 |
| leo-mistral-hessianai-7b | 0.481 | 0.663 | 0.485 | 0.543 |
| leo-mistral-hessianai-7b-chat | 0.458 | 0.617 | 0.465 | 0.513 |
| DPOpenHermes-7B-v2 | 0.517 | 0.603 | 0.515 | 0.545 |
| hermeo-7b (this model) | 0.511 | **0.668** | **0.528** | **0.569** |
| _13B parameters_ | | | | |
| llama-2-13b | 0.469 | 0.581 | 0.468 | 0.506 |
| leo-hessianai-13b | **0.486** | **0.658** | **0.509** | **0.551** |
| _70B parameters_ | | | | |
| llama-2-70b | 0.597 | 0.674 | 0.561 | 0.611 |
| leo-hessianai-70b | **0.653** | **0.721** | **0.600** | **0.658** |
### English benchmarks
| **English tasks:** | **MMLU** | **Hellaswag** | **ARC** | **Average** |
|----------------------------|-------------|---------------|--------------|-------------|
| **Models / Few-shots:** | _(5 shots)_ | _(10 shots)_ | _(24 shots)_ | |
| llama-2-7b | 0.466 | 0.786 | 0.530 | 0.594 |
| leolm-hessianai-7b | 0.423 | 0.759 | 0.522 | 0.568 |
| bloom-6b4-clp-german | 0.264 | 0.525 | 0.328 | 0.372 |
| mistral-7b | **0.635** | **0.832** | 0.607 | **0.691** |
| leolm-mistral-hessianai-7b | 0.550 | 0.777 | 0.518 | 0.615 |
| hermeo-7b (this model) | 0.601 | 0.821 | **0.620** | 0.681 |
## Prompting / Prompt Template
Prompt dialogue template (ChatML format):
```
"""
<|im_start|>system
{system_message}<|im_end|>
<|im_start|>user
{prompt}<|im_end|>
<|im_start|>assistant
"""
```
The model input can contain multiple conversation turns between user and assistant, e.g.
```
<|im_start|>user
{prompt 1}<|im_end|>
<|im_start|>assistant
{reply 1}<|im_end|>
<|im_start|>user
{prompt 2}<|im_end|>
<|im_start|>assistant
(...)
```
## License
[Apache 2.0](https://www.apache.org/licenses/LICENSE-2.0.html)
## See also
- AWQ quantized version: https://huggingface.co/mayflowergmbh/hermeo-7b-awq
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