---
library_name: transformers
base_model: W-61/qwen3-8b-base-sft-ultrachat-4xh200-batch-128
tags:
- alignment-handbook
- beta-dpo
- generated_from_trainer
datasets:
- HuggingFaceH4/ultrafeedback_binarized
model-index:
- name: qwen3-8b-base-beta-dpo-ultrafeedback-4xh200-batch-128-20260423-040315
  results: []
---

<!-- This model card has been generated automatically according to the information the Trainer had access to. You
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# qwen3-8b-base-beta-dpo-ultrafeedback-4xh200-batch-128-20260423-040315

This model is a fine-tuned version of [W-61/qwen3-8b-base-sft-ultrachat-4xh200-batch-128](https://huggingface.co/W-61/qwen3-8b-base-sft-ultrachat-4xh200-batch-128) on the HuggingFaceH4/ultrafeedback_binarized dataset.
It achieves the following results on the evaluation set:
- Loss: 0.5897
- Beta Dpo/gap Mean: 23.0136
- Beta Dpo/gap Std: 39.9127
- Beta Dpo/beta Used Raw: 0.0146
- Beta Dpo/beta Used: 0.0335
- Beta Dpo/mask Keep Frac: 1.0
- Logits/chosen: 1.5098
- Logits/rejected: 1.5463

## Model description

More information needed

## Intended uses & limitations

More information needed

## Training and evaluation data

More information needed

## Training procedure

### Training hyperparameters

The following hyperparameters were used during training:
- learning_rate: 5e-07
- train_batch_size: 4
- eval_batch_size: 4
- seed: 42
- distributed_type: multi-GPU
- num_devices: 4
- gradient_accumulation_steps: 8
- total_train_batch_size: 128
- total_eval_batch_size: 16
- optimizer: Use OptimizerNames.ADAMW_TORCH with betas=(0.9,0.999) and epsilon=1e-08 and optimizer_args=No additional optimizer arguments
- lr_scheduler_type: cosine
- lr_scheduler_warmup_ratio: 0.1
- num_epochs: 1

### Training results

| Training Loss | Epoch  | Step | Validation Loss | Beta Dpo/gap Mean | Beta Dpo/gap Std | Beta Dpo/beta Used Raw | Beta Dpo/beta Used | Beta Dpo/mask Keep Frac | Logits/chosen | Logits/rejected |
|:-------------:|:------:|:----:|:---------------:|:-----------------:|:----------------:|:----------------------:|:------------------:|:-----------------------:|:-------------:|:---------------:|
| 4.6811        | 0.4188 | 200  | 0.5822          | 17.3495           | 36.2958          | 0.0115                 | 0.0273             | 1.0                     | 1.4601        | 1.4735          |
| 4.2926        | 0.8377 | 400  | 0.5897          | 23.0136           | 39.9127          | 0.0146                 | 0.0335             | 1.0                     | 1.5098        | 1.5463          |


### Framework versions

- Transformers 4.51.0
- Pytorch 2.3.1+cu121
- Datasets 2.21.0
- Tokenizers 0.21.4