This is a fixed version of Eurus-70b-nca made by copying the json files from the (**base**) CodeLlama-70b-hf model and adding in the Mistral chat template, eg:

```
<s>[INST] Instruction [/INST] Model answer</s> [INST] Follow-up instruction [/INST]
```

This version has the same context length (16k) and RoPE base frequency (1000000) as `CodeLlama-70b`

:

```
> ./perplexity -m eurus:70b-nca-fixed-q8_0.gguf -f wiki.test.raw -c 4096
Final estimate: PPL = 5.5200 +/- 0.03000
> ./perplexity -m eurus:70b-nca-fixed-q8_0.gguf -f wiki.test.raw -c 16384
Final estimate: PPL = 5.3553 +/- 0.02877
```

I have also tested it with multi-turn conversations for 10k+ context and it has remained perfectly coherent.

It even looks to be fine for use with a context length of 32k:

```
> ./perplexity -m eurus:70b-nca-fixed-q8_0.gguf -f wiki.test.raw -c 32768
Final estimate: PPL = 5.1806 +/- 0.02725
```

Also see: Eurus-70b-sft-fixed

**Eurus: A suit of open-source LLMs optimized for reasoning**

# Links

- ðŸ“œ Paper
- ðŸ¤— Eurus Collection
- ðŸ¤— UltraInteract
- GitHub Repo

# Introduction

Eurus-70B-NCA is NCA fine-tuned from Eurus-70B-SFT on all multi-turn trajectory pairs in UltraInteract and all pairs in UltraFeedback.

It achieves the best overall performance among open-source models of similar sizes and even outperforms specialized models in corresponding domains in many cases. Notably, Eurus-70B-NCA achieves better performance than GPT-3.5 Turbo through comprehensive benchmarking across 12 tests covering five tasks.

## Usage

We apply tailored prompts for coding and math, consistent with UltraInteract data formats:

**Coding**

```
[INST] Write Python code to solve the task:
{Instruction} [/INST]
```

**Math-CoT**

```
[INST] Solve the following math problem step-by-step.
Simplify your answer as much as possible. Present your final answer as \\boxed{Your Answer}.
{Instruction} [/INST]
```

**Math-PoT**

```
[INST] Tool available:
[1] Python interpreter
When you send a message containing Python code to python, it will be executed in a stateful Jupyter notebook environment.
Solve the following math problem step-by-step.
Simplify your answer as much as possible.
{Instruction} [/INST]
```

## Evaluation

- Eurus, both the 7B and 70B variants, achieve the best overall performance among open-source models of similar sizes. Eurus even outperforms specialized models in corresponding domains in many cases. Notably, Eurus-7B outperforms baselines that are 5Ã— larger, and Eurus-70B achieves better performance than GPT-3.5 Turbo.
- Preference learning with UltraInteract can further improve performance, especially in math and the multi-turn ability.

## Citation

```
@misc{yuan2024advancing,
title={Advancing LLM Reasoning Generalists with Preference Trees},
author={Lifan Yuan and Ganqu Cui and Hanbin Wang and Ning Ding and Xingyao Wang and Jia Deng and Boji Shan and Huimin Chen and Ruobing Xie and Yankai Lin and Zhenghao Liu and Bowen Zhou and Hao Peng and Zhiyuan Liu and Maosong Sun},
year={2024},
eprint={2404.02078},
archivePrefix={arXiv},
primaryClass={cs.AI}
}
```

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