jhu-clsp/ettin-pretraining-data
Ettin Pre-training Data Phase 1 of 3: Diverse pre-training data mixture (1.7T tokens) used to train the Ettin model suite. This dataset contains the pre-training phase data used to train all Ettin encoder and decoder models. The data is provided in MDS format ready for use with Composer and the ModernBERT training repository. 📊 Data Composition Data Source Tokens (B) Percentage Description DCLM 837.2 49.1% High-quality web crawl data CC Head 356.6… See the full description on the dataset page: https://huggingface.co/datasets/jhu-clsp/ettin-pretraining-data.
mlforge datasets pull jhu-clsp/ettin-pretraining-data
Dataset details
About jhu-clsp/ettin-pretraining-data
[](https://opensource.org/licenses/MIT) [](https://arxiv.org/abs/2507.11412) [](https://huggingface.co/jhu-clsp) [](https://github.com/jhu-clsp/ettin-encoder-vs-decoder)