datasets
Training and evaluation data, with the modality, task and licence stated up front. Listed live from the Hugging Face Hub.
pretraining_v1-omega_booksettin-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.pretraining_v1-omegaMolmoAct-Pretraining-Mixture
MolmoAct - Pretraining Mixture
Data Mixture used for MolmoAct Pretraining. Contains a subset of OXE formulated as Action Reasoning Data along with auxiliary robot data and link to Multimodal Web data.
MolmoAct is a fully open-source action reasoning model for robotic manipulation developed by the Allen Institute for AI. MolmoAct is trained on a subset of OXE and MolmoAct Dataset, a dataset with 10k high-quality trajectories of a single-arm Franka robot performing 93 unique… See the full description on the dataset page: https://huggingface.co/datasets/allenai/MolmoAct-Pretraining-Mixture.Pretraining-V1
Indic TTS Unified v1
A large-scale, unified collection of speech data for text-to-speech (TTS) and speech research. This dataset consolidates 17 distinct source datasets into a single, schema-normalized resource covering Indian / South Asian languages, plus major European, African, MENA, and Central Asian languages, with over 13.7 million utterances and 26,000+ hours of audio.
All audio is resampled to 24 kHz mono. Every row follows an identical schema regardless of source… See the full description on the dataset page: https://huggingface.co/datasets/projectkaira/Pretraining-V1.multilingual-embeddings-pre-training-curated
📚 Collection | 📝 Multilingual Blog | 📝 English Blog
Contrastive Multilingual Pre-Training
2.16B query–document pairs across eight languages, plus cross-lingual pairs
mDenseOn |
mLateOn |
DenseOn |
LateOn |
PyLate |
FastPlaid
🎯 TL;DR: The multilingual contrastive pre-training corpus used to train mDenseOn and mLateOn. It extends our curated English data recipe (embeddings-pre-training-curated) to French, German, Italian, Spanish, Portuguese, Swedish, Norwegian, and Arabic… See the full description on the dataset page: https://huggingface.co/datasets/lightonai/multilingual-embeddings-pre-training-curated.embeddings-pre-training
Overview
This large-scale dataset is designed for pre-training state-of-the-art text embedding models. Its goal is to reproduce and build upon the data recipe described in the mGTE technical report (Zhang et al., 2024), which details the data sources used to train the GTE family of embedding models but does not release the data itself.
We assembled this dataset as part of a research effort to understand how data composition affects retrieval model quality. Our experiments… See the full description on the dataset page: https://huggingface.co/datasets/lightonai/embeddings-pre-training.Nemotron-Pretraining-Specialized-v1
Nemotron-Pre-Training-Dataset-v2.1
Dataset Description
The Nemotron-Pre-Training-Dataset-v2.1 extends the previously released Nemotron pretraining datasets with refreshed, higher-quality, and more diverse data across math, code, English Common Crawl, and large-scale synthetic corpora. Designed for the NVIDIA Nemotron 3 family of LLMs, the dataset introduces new Common Crawl code extraction, 2.5T new English web tokens… See the full description on the dataset page: https://huggingface.co/datasets/nvidia/Nemotron-Pretraining-Specialized-v1.Nemotron-Pretraining-Code-v1
Nemotron-Pre-Training-Dataset-v1 Release
Data Overview
This pretraining dataset, for generative AI model training, preserves high-value math and code while enriching it with diverse multilingual Q&A, fueling the next generation of intelligent, globally-capable models.
This dataset supports NVIDIA Nemotron Nano 2, a family of large language models (LLMs) that consists of the NVIDIA-Nemotron-Nano-9B-v2, NVIDIA-Nemotron-Nano-9B-v2-Base, and NVIDIA-Nemotron-Nano-12B-v2-Base… See the full description on the dataset page: https://huggingface.co/datasets/nvidia/Nemotron-Pretraining-Code-v1.ABC-Pretraining-Data
ABC Pretraining Data
This dataset contains the pretraining data for ABC, an open-source multimodal embedding model that uses a vision-language model backbone to deeply integrate image features with natural language instructions, advancing the state of visual embeddings with natural language control.
This dataset is derived from Google's Conceptual Captions dataset.
Each item in the dataset contains a URL where the corresponding image can be downloaded and mined negatives for… See the full description on the dataset page: https://huggingface.co/datasets/TIGER-Lab/ABC-Pretraining-Data.control-pretraining-datasets-smoke
geodesic-research/control-pretraining-datasets-smoke
Auto-generated by dataset-builder.
Each config below is a separate dataset produced from a versioned YAML build
config. Load with:
from datasets import load_dataset
ds = load_dataset("geodesic-research/control-pretraining-datasets-smoke", "<config_name>", revision="<commit-sha>")
Pin revision= to the specific commit SHA you want; without it, you get the
current HEAD of the dataset repo, which may change when the builder… See the full description on the dataset page: https://huggingface.co/datasets/geodesic-research/control-pretraining-datasets-smoke.embeddings-pre-training-curated
Embeddings pre-training curated data
This dataset is the English subset of lightonai/embeddings-pre-training, assembled to reproduce the English data recipe described in the mGTE technical report (Zhang et al., 2024).
The mGTE paper describes the data sources used to train the GTE family of multilingual text embedding and reranking models, but does not release the data itself. This dataset is our reconstruction of the English portion of that recipe, curated as part of a research… See the full description on the dataset page: https://huggingface.co/datasets/lightonai/embeddings-pre-training-curated.Nemotron-Pretraining-Code-v2
Nemotron-Pre-Training-Dataset-v2.1
Dataset Description
The Nemotron-Pre-Training-Dataset-v2.1 extends the previously released Nemotron pretraining datasets with refreshed, higher-quality, and more diverse data across math, code, English Common Crawl, and large-scale synthetic corpora. Designed for the NVIDIA Nemotron 3 family of LLMs, the dataset introduces new Common Crawl code extraction, 2.5T new English web tokens… See the full description on the dataset page: https://huggingface.co/datasets/nvidia/Nemotron-Pretraining-Code-v2.carbon-pretraining-corpus
🧬 Carbon Pretraining Corpus
Description
173M DNA & RNA sequences · 1.1 trillion nucleotides — the DNA pretraining mixture used to train Carbon, a genomic foundation model.
This dataset is a collection of data sources intended for training genomic foundation models, such as Carbon. It contains DNA and RNA sequences spanning eukaryote and prokaryote species.
Across the four main configs it totals 1.1 T DNA base pairs (180B tokens with Carbon's 6-mer tokenizer). A… See the full description on the dataset page: https://huggingface.co/datasets/HuggingFaceBio/carbon-pretraining-corpus.mmBERT-pretraining-data-chunk1
mmBERT Training Data (Ready-to-Use)
Complete Training Dataset: Pre-randomized and ready-to-use multilingual training data (3T tokens) for encoder model pre-training.
This dataset is part of the complete, pre-shuffled training data used to train the mmBERT encoder models. Unlike the individual phase datasets, this version is ready for immediate use but the mixture cannot be modified easily. The data is provided in decompressed MDS format ready for use with ModernBERT's Composer… See the full description on the dataset page: https://huggingface.co/datasets/orionweller/mmBERT-pretraining-data-chunk1.Nemotron-Pretraining-Specialized-v1.2
Nemotron-Pretraining-Specialized-v1.2
Dataset Description:
The Nemotron-Pretraining-Specialized-v1.2 dataset is part of the Nemotron Pretraining Data collection of pretraining datasets. Designed for the NVIDIA Nemotron 3 family of LLMs, this dataset contains a collection of synthetic datasets aimed to improve LLM capabilities on factual recall, moral scenarios, and diverse generative and multiple choice questions.
Note: These are new datasets, not replacements.… See the full description on the dataset page: https://huggingface.co/datasets/nvidia/Nemotron-Pretraining-Specialized-v1.2.filtering-pretraining-mix-arrow-formatNemotron-Pretraining-Specialized-v1.1
Nemotron-Pretraining-Specialized-v1.1
Dataset Description:
The Nemotron-Pretraining-Specialized-v1.1 dataset is part of the Nemotron Pretraining Data collection of pretraining datasets. Designed for the NVIDIA Nemotron 3 family of LLMs, this dataset contains a collection of synthetic datasets aimed to improve LLM capabilities in code concepts and algorithms, formal logic, economics, and multiple choice questions. The code concepts dataset is an instance of a general… See the full description on the dataset page: https://huggingface.co/datasets/nvidia/Nemotron-Pretraining-Specialized-v1.1.Nemotron-Pretraining-SFT-v1
Nemotron-Pre-Training-Dataset-v1 Release
Data Overview
This pretraining dataset, for generative AI model training, preserves high-value math and code while enriching it with diverse multilingual Q&A, fueling the next generation of intelligent, globally-capable models.
This dataset supports NVIDIA Nemotron Nano 2, a family of large language models (LLMs) that consists of the NVIDIA-Nemotron-Nano-9B-v2, NVIDIA-Nemotron-Nano-9B-v2-Base, and NVIDIA-Nemotron-Nano-12B-v2-Base… See the full description on the dataset page: https://huggingface.co/datasets/nvidia/Nemotron-Pretraining-SFT-v1.mmBERT-pretraining-data-chunk2
mmBERT Training Data (Ready-to-Use)
Complete Training Dataset: Pre-randomized and ready-to-use multilingual training data (3T tokens) for encoder model pre-training.
This dataset is part of the complete, pre-shuffled training data used to train the mmBERT encoder models. Unlike the individual phase datasets, this version is ready for immediate use but the mixture cannot be modified easily. The data is provided in decompressed MDS format ready for use with ModernBERT's Composer… See the full description on the dataset page: https://huggingface.co/datasets/orionweller/mmBERT-pretraining-data-chunk2.mmBERT-pretraining-data-chunk0
mmBERT Training Data (Ready-to-Use)
Complete Training Dataset: Pre-randomized and ready-to-use multilingual training data (3T tokens) for encoder model pre-training.
This dataset is part of the complete, pre-shuffled training data used to train the mmBERT encoder models. Unlike the individual phase datasets, this version is ready for immediate use but the mixture cannot be modified easily. The data is provided in decompressed MDS format ready for use with ModernBERT's Composer… See the full description on the dataset page: https://huggingface.co/datasets/orionweller/mmBERT-pretraining-data-chunk0.the_stack_v2_python_repos_pretraining_dataset_imported_context-datasetts-icl-pretraining-corpus
TS-ICL Pretraining Corpus (community reconstruction)
A unified, cleaned reconstruction of the univariate pretraining corpus described in
Table 5 of TS-ICL: A Flexible Time-Indexed Foundation Model for Time Series via
In-Context Learning (Le Naour, Nabil & Petralia, EDF R&D; arXiv:2606.05878). The TS-ICL
authors did not release their pretraining data pipeline, so this corpus is rebuilt from the
named upstream sources (LOTSA, Chronos, and the TempoPFN synthetic generators) and… See the full description on the dataset page: https://huggingface.co/datasets/JuaAI/ts-icl-pretraining-corpus.pythia-training-metrics Dataset for storing training metrics of pythia modelsVn-OCR-Pretrainingmath-pretraining-corpustabula-pretraining-corpus-v2
Tabula Pretraining Corpus v2
A large-scale synthetic tabular dataset for pretraining transformer-based in-context learning models for tabular data (similar to TabPFN).
Overview
Metric
Value
Total rows
272,271,776
Total datasets
10,867
Shards
135
Mean utility AUC
0.851
Format
Parquet (float32)
Schema
Each shard is a Parquet file with a fixed-width schema:
feat_0 through feat_63: Float32 feature columns. Unused slots are NaN.
target:… See the full description on the dataset page: https://huggingface.co/datasets/avewright/tabula-pretraining-corpus-v2.audio_pretraining_sono_syntheticpropagator-multimodal-pretraining-data
Propagator Multimodal Pretraining Data
This public dataset contains tokenized multimodal pretraining data prepared for the Propagator model family. It combines language, image-grounded, and speech/audio-token examples into a single training format.
This is not a raw text or image browsing dataset. The examples have already been converted into compact binary token frames for model training, with a manifest that records the source groups and file layout.
Source Code… See the full description on the dataset page: https://huggingface.co/datasets/ken-sungmin/propagator-multimodal-pretraining-data.Jp-OCR-Pretraining