---
license: other
license_name: license
license_link: LICENSE
---
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<h1>
  Index-1.9B-Constant-LR
</h1>
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## Model Introduction
This repository Index-1.9B-Constant-LR is the checkpoint file of the [Index-1.9B](https://huggingface.co/IndexTeam/Index-1.9B) base model before decay training, which is provided for everyone to conduct research on downstream tasks.

For more details, see our [GitHub](https://github.com/bilibili/Index-1.9B) and [Index-1.9B Technical Report](https://github.com/bilibili/Index-1.9B/blob/main/Index-1.9B%20%E6%8A%80%E6%9C%AF%E6%8A%A5%E5%91%8A.pdf)

## Evaluation Results
Here we add the evaluation of the general understanding ability of the Index-1.9B-Constant-LR model
|Model|Average score|Average English score|MMLU|CEVAL|CMMLU|HellaSwag|Arc-C|Arc-E|
|----|----|----|----|----|----|----|----|----|
|**Index-1.9B-Constant-LR**|41.47 |44.24 |35.30|38.58|33.26|59.94|32.96|48.75|
|**Index-1.9B-Pure**|49.55 |52.83 |43.75|42.35|43.61|63.21|42.75|61.61|
|**Index-1.9B**|**64.92** |**69.93**|52.53|57.01|52.79|80.69|65.15|81.35|

Evaluation code is based on [OpenCompass](https://github.com/open-compass/opencompass) with compatibility modifications. See the [evaluate](./evaluate/) folder for details.