README.md

---
license: odc-by
task_categories:
- text-generation
language:
- en

configs:
  - config_name: default
    data_files:
      - split: train
        path: data/**/*.jsonl.zst
    features:
      - name: id
        dtype: string
      - name: text
        dtype: string
      - name: metadata
        dtype: string
      - name: source
        dtype: string
      - name: version
        dtype: string
      - name: created
        dtype: string
      - name: added
        dtype: string
      - name: doc
        dtype: string
      - name: attributes
        dtype: string
---

<img alt="Logo for Dolma Mix" src="dolma-mix.png" width="234px" style="margin-left:'auto' margin-right:'auto' display:'block'">

# Dolma 3 Sample: 150B Mix

### Dataset Sources

Sample of data for 1Bx5C and 7Bx1B. For the full Dolma 3 pool, see: https://huggingface.co/datasets/allenai/dolma3

| Source | Type | Tokens | Documents |
|------|------|--------|-----------|
| Common Crawl | Web pages | 121B (76.9%) | 84.5M |
| olmOCR Science PDFs | Academic documents | 19.9B (12.6%) | 2.25M |
| Stack-Edu (Rebalanced) | GitHub code | 11.1B (7.06%) | 14.3M |
| arXiv | Papers with LaTeX | 1.29B (0.82%) | 247K |
| FineMath 3+ | Math web pages | 4.10B (2.60%) | 2.57M |
| Wikipedia & Wikibooks | Encyclopedic | 64.6M (0.04%) | 119K |
| **Total** |  | **157B (100%)** | **104M** |


### Licensing Information

Dolma 3 is licensed under the Open Data Commons Attribution License v1.0 (ODC-By). It is intended for research and educational use. For more information, please see our [Responsible Use Guidelines](https://allenai.org/responsible-use).


## Citation

```
@misc{olmo2025olmo3,
title={Olmo 3},
author={Team Olmo and Allyson Ettinger and Amanda Bertsch and Bailey Kuehl and David Graham and David Heineman and Dirk Groeneveld and Faeze Brahman and Finbarr Timbers and Hamish Ivison and Jacob Morrison and Jake Poznanski and Kyle Lo and Luca Soldaini and Matt Jordan and Mayee Chen and Michael Noukhovitch and Nathan Lambert and Pete Walsh and Pradeep Dasigi and Robert Berry and Saumya Malik and Saurabh Shah and Scott Geng and Shane Arora and Shashank Gupta and Taira Anderson and Teng Xiao and Tyler Murray and Tyler Romero and Victoria Graf and Akari Asai and Akshita Bhagia and Alexander Wettig and Alisa Liu and Aman Rangapur and Chloe Anastasiades and Costa Huang and Dustin Schwenk and Harsh Trivedi and Ian Magnusson and Jaron Lochner and Jiacheng Liu and Lester James V. Miranda and Maarten Sap and Malia Morgan and Michael Schmitz and Michal Guerquin and Michael Wilson and Regan Huff and Ronan Le Bras and Rui Xin and Rulin Shao and Sam Skjonsberg and Shannon Zejiang Shen and Shuyue Stella Li and Tucker Wilde and Valentina Pyatkin and Will Merrill and Yapei Chang and Yuling Gu and Zhiyuan Zeng and Ashish Sabharwal and Luke Zettlemoyer and Pang Wei Koh and Ali Farhadi and Noah A. Smith and Hannaneh Hajishirzi},
year={2025},
eprint={2512.13961},
archivePrefix={arXiv},
primaryClass={cs.CL},
url={https://arxiv.org/abs/2512.13961},
}
```

Find the paper at: https://allenai.org/papers/olmo3