iLLaDA-8B-Base / README.md
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---
license: apache-2.0
library_name: transformers
pipeline_tag: text-generation
---
# iLLaDA-8B-Base
iLLaDA is an 8B fully bidirectional masked diffusion language model trained from scratch with 12T pre-training tokens, an 8192-token context length, variable-length generation, and confidence-based scoring for multiple-choice evaluation.
It was introduced in the paper [Improved Large Language Diffusion Models](https://huggingface.co/papers/2606.25331).
Inference and evaluation codes: https://github.com/ML-GSAI/LLaDA.
## Architecture
| | iLLaDA 8B | LLaDA 8B |
| --- | ---: | ---: |
| Layers | 32 | 32 |
| Model dimension | 4096 | 4096 |
| Attention heads | 32 | 32 |
| Key/Value heads | 8 | 32 |
| FFN dimension | 14,336 | 12,288 |
| Vocabulary size | 155,136 | 126,464 |
| Maximum sequence length | 8192 | 4096 |
| Embedding and LM-head | Tied | Untied |
| Total parameters | 7.62B | 8.02B |
| Non-embedding parameters | 6.98B | 6.98B |
## Benchmark Results of Base Models
| | iLLaDA 8B | LLaDA 8B | Dream 7B | Qwen2.5 7B |
| --- | ---: | ---: | ---: | ---: |
| Model | Diffusion | Diffusion | Diffusion | AR |
| Training tokens | 12T | 2.3T | 18T + 0.6T | 18T |
| MMLU | 74.8 | 65.9 | 69.5 | 71.9 |
| BBH | 71.3 | 49.7 | 57.9 | 63.9 |
| ARC-C | 60.8 | 45.9 | 59.8 | 51.5 |
| HellaSwag | 76.6 | 70.5 | 73.3 | 79.0 |
| GSM8K | 81.9 | 70.3 | 77.2 | 78.9 |
| MATH | 38.4 | 31.4 | 39.6 | 41.1 |
| HumanEval | 50.0 | 35.4 | 57.9 | 56.7 |
| MBPP | 57.8 | 40.0 | 56.2 | 63.6 |
| Average | 63.9 | 51.1 | 61.4 | 63.3 |
## How to use
You can load and use the model with `transformers` as follows:
```python
import torch
from transformers import AutoModel, AutoTokenizer
tokenizer = AutoTokenizer.from_pretrained('GSAI-ML/iLLaDA-8B-Base', trust_remote_code=True)
model = AutoModel.from_pretrained('GSAI-ML/iLLaDA-8B-Base', trust_remote_code=True, torch_dtype=torch.bfloat16)
```
Refer to the [GitHub repository](https://github.com/ML-GSAI/LLaDA) for generation scripts such as `generate.py`.
## Citation
```bibtex
@article{nie2026illada,
title={Improved Large Language Diffusion Models},
author={Nie, Shen and Min, Qiyang and Xu, Shaoxuan and Huang, Zihao and Song, Yuxuan and Shan, Yong and Lin, Yankai and Zhao, Wayne Xin and Li, Chongxuan and Wen, Ji-Rong},
journal={arXiv preprint arXiv:2606.25331},
year={2026}
}
```