datasets
Training and evaluation data, with the modality, task and licence stated up front. Listed live from the Hugging Face Hub.
arabic-stem-lexicon
Arabic Diacritized-Stem Lexicon
An undiacritized Arabic surface form → its most frequent diacritized stem.
Standard Arabic writes no short vowels, so anything that has to pronounce Arabic
must first put them back. A neural diacritizer does that well on rare words, where
inference is the only thing there is. On common words it is the wrong tool:
which vowels كتاب carries is not a thing to be inferred, it is a thing to be looked
up — and models get exactly these wrong, reading… See the full description on the dataset page: https://huggingface.co/datasets/TigreGotico/arabic-stem-lexicon.Natural-Reasoning-STEM-25KSTEM2Crystal-Bench
STEM2Crystal-Bench
STEM2Crystal-Bench is the benchmark for the paper "From Noisy STEM to Crystal Structure: Evidence-Structure CoDiffusion under Composition Constraints" (Chen & You, KDD 2026, Oral), which introduces STEM2Crystal CoDiffusion (SCCD). It evaluates methods that reconstruct a crystal structure from a noisy STEM image when the composition is known. The release has a large synthetic set with controlled noise and a small set of real STEM images, with ground-truth CIFs… See the full description on the dataset page: https://huggingface.co/datasets/gary23ai/STEM2Crystal-Bench.China-K12-STEM-10K-CoT-Reasoning
K12-STEM-CoT-Chinese
1.54M Chinese K12 STEM problems with chain-of-thought solutions, 48% with diagrams.
The largest structured Chinese math/physics/chemistry reasoning dataset.
This is a curated sample (10,000 problems) of the full 1.54M dataset available via API.
Full Dataset Access
Access the full 1,540,000+ problems via API →
This Sample
Full API
Total problems
10,025
1,540,000+
With CoT solutions
10,025
1,490,000+
With diagrams
6,093
740,000+… See the full description on the dataset page: https://huggingface.co/datasets/lfaviate/China-K12-STEM-10K-CoT-Reasoning.stem-diagrams
STEM Diagrams
30,325 technical diagrams (block diagrams, schematics, flowcharts, architectures)
extracted from arXiv papers across six engineering fields, each with a source
attribution and a quality score. Built by an LLM-curated pipeline and used to show
that a small frozen-feature classifier can replace the paid LLM labeling gate.
Paper: Distilling an LLM Diagram-Curation Pipeline into Local Classifiers (Adnan Abbasi, Thothica, 2026)
Code:… See the full description on the dataset page: https://huggingface.co/datasets/aeyxen/stem-diagrams.ki-qwen-instruct-synthetic_1_stem_only-sft-temp0.6-on-mmlu_pro-0shot_cot-scillm-da553bdec9STEM_ReasoningChina-K12-STEM-10K-CoT-Reasoning
K12-STEM-CoT-Chinese
1.54M Chinese K12 STEM problems with chain-of-thought solutions, 48% with diagrams.
The largest structured Chinese math/physics/chemistry reasoning dataset.
This is a curated sample (10,000 problems) of the full 1.54M dataset available via API.
Full Dataset Access
Access the full 1,540,000+ problems via API →
This Sample
Full API
Total problems
10,025
1,540,000+
With CoT solutions
10,025
1,490,000+
With diagrams
6,093
740… See the full description on the dataset page: https://huggingface.co/datasets/a13905873166/China-K12-STEM-10K-CoT-Reasoning.Natural-Reasoning-STEM-50Kmultimodal-lucas
Dataset card for Multi-modal LUCAS
Dataset summary
Multi-modal LUCAS aims at being a curated vision-language dataset from LUCAS survey data and in-situ field photos. LUCAS (Land Use/Cover Area Frame statistical Survey) is a land-monitoring exercise conducted by EUROSTAT in close cooperation with the Directorate-General responsible for Agriculture, with technical support from the Joint Research Centre (JRC). The survey has been repeated every three years since 2006… See the full description on the dataset page: https://huggingface.co/datasets/stemauro/multimodal-lucas.Josephgflowers__Tinyllama-STEM-Cinder-Agent-v1-details
Dataset Card for Evaluation run of Josephgflowers/Tinyllama-STEM-Cinder-Agent-v1
Dataset automatically created during the evaluation run of model Josephgflowers/Tinyllama-STEM-Cinder-Agent-v1
The dataset is composed of 38 configuration(s), each one corresponding to one of the evaluated task.
The dataset has been created from 1 run(s). Each run can be found as a specific split in each configuration, the split being named using the timestamp of the run.The "train" split is always… See the full description on the dataset page: https://huggingface.co/datasets/open-llm-leaderboard/Josephgflowers__Tinyllama-STEM-Cinder-Agent-v1-details.stem-separation-benchmark-2026
StemSplit Stem-Separation Benchmark 2026
A reproducible head-to-head comparison of every popular open-source music
source-separation model against the StemSplit production
API, evaluated on the standard MUSDB18-HQ test split using BSS Eval v4 and a
small set of CC-BY tracks for qualitative listening.
Built and maintained by the StemSplit team. Source code:
scripts/hf-benchmark on GitHub.
Leaderboard (median SDR per stem)
model_id
bass
drums
other
vocals… See the full description on the dataset page: https://huggingface.co/datasets/StemSplitio/stem-separation-benchmark-2026.quadmix-stem-v1
QuaDMix-STEM v1: STEM-Focused Proxy Validation Set
Script: scripts/validation_set/prepare_stem_v1.py
HuggingFace: liujin99/quadmix-stem-v1
Files: stem_v1_tokenized.pt, stem_v1.parquet
Overview
STEM v1 is a validation set designed to focus the proxy model's optimization signal on STEM capabilities — mathematics, science knowledge, and logical reasoning. Unlike CAP v1 (broad capability coverage) or core_bmk (benchmark test format), STEM v1 uses only tasks that… See the full description on the dataset page: https://huggingface.co/datasets/liujin99/quadmix-stem-v1.bazi-hidden-stemsfrom datasets import load_dataset
rows = load_dataset("Shann5/bazi-hidden-stems") # one row per (source, branch, stem)
compare = load_dataset("Shann5/bazi-hidden-stems", "compare") # one row per branch, one column per source
Mirror of hidden-stems/ in
Shann5/bazi-open-data — the GitHub copy is canonical
(JSON version, source texts, build). Corrections belong there as issues.
Hidden stems (藏干) across sources
Every earthly branch stores one to three heavenly… See the full description on the dataset page: https://huggingface.co/datasets/Shann5/bazi-hidden-stems.tunix-stem-sft
Reasoning Training Dataset for Tunix Competition
Reasoning dataset for training 1-2B thinking models on math, coding, and science problems.
Sources
GSM8K: Grade school math with human reasoning traces
TextbookReasoning: STEM problems with step-by-step solutions
MBPP: Basic Python Programming prompts, with reasoning traces generated by gpt-oss-20b
Format
Each example contains:
prompt: The problem statement
reasoning: Step-by-step reasoning
answer: Final… See the full description on the dataset page: https://huggingface.co/datasets/yen-av/tunix-stem-sft.STEM-wikipedia-22-12-en-embeddings-all-MiniLM-L6-v2Pop-Rock-Hybrid-Stem-Dataset-cat001
Dataset Overview: Pop Rock Hybrid Stem Dataset (cat001)
This dataset contains a curated collection of original instrumental music designed for commercial and research applications in music analysis, audio modeling, and production workflows.
Every composition, arrangement, performance, sound design element, and production decision was created entirely through human musical and technical processes. All music contained in this dataset is 100% human-made (is_human_created: TRUE).… See the full description on the dataset page: https://huggingface.co/datasets/ToneCubeMedia/Pop-Rock-Hybrid-Stem-Dataset-cat001.mits-stem-training-dataquadmix-stem-v2
QuaDMix-STEM v2: STEM-Focused Proxy Validation Set with GPQA & MATH
Script: scripts/validation_set/prepare_stem_v2.py
HuggingFace: liujin99/quadmix-stem-v2
Files: stem_v2_tokenized.pt, stem_v2.parquet
Overview
STEM v2 is an upgraded validation set that fixes the two critical coverage gaps in STEM v1. In the v1 experiment, QuaDMix lost to Random downstream (CORE 0.1530 vs 0.1615), and root-cause analysis revealed:
gpqa_diamond had no direct proxy — mapped from… See the full description on the dataset page: https://huggingface.co/datasets/liujin99/quadmix-stem-v2.africa-ilo-emp-stem-sex-how-nb-employment-in-stem-occupations-by-sex-and-weekly-h
Employment in STEM occupations by sex and weekly hours actually worked (thousands) | Africa (ILOSTAT) | Africa (Electric Sheep Africa metadata inventory)
Size category: 1K<n<10K - Formats: parquet - Sector: economics_finance - Engineered by Electric Sheep Africa
TL;DR
This dataset is part of the Electric Sheep Africa catalog on Hugging Face. It is indexed for African data discovery with standardized metadata, loading guidance, provenance notes, and… See the full description on the dataset page: https://huggingface.co/datasets/electricsheepafrica/africa-ilo-emp-stem-sex-how-nb-employment-in-stem-occupations-by-sex-and-weekly-h.Indonesian-STEM-Textbook-DatasetDataset Description:
This dataset is a large-scale collection of Indonesian STEM textbook data, containing 5,169 books and 208.30 million words, designed to support the development and training of advanced NLP systems and AI models for scientific understanding, problem-solving, and concept learning in Bahasa.
Full Dataset Overview
This dataset is part of a large-scale multilingual educational corpus containing over 3+ billion words across 5,000+ subjects, supported by interwoven images for… See the full description on the dataset page: https://huggingface.co/datasets/InfoBayAI/Indonesian-STEM-Textbook-Dataset.English-STEM-Textbook-DatasetDataset Description:
This dataset is a large-scale collection of English STEM textbook data, containing 8,939 books and 855.01 million words, designed to support the development and training of advanced NLP systems and AI models for scientific understanding, problem-solving, and concept learning in English.
Full Dataset Overview
This dataset is part of a large-scale multilingual educational corpus containing over 3+ billion words across 5,000+ subjects, supported by interwoven images for… See the full description on the dataset page: https://huggingface.co/datasets/InfoBayAI/English-STEM-Textbook-Dataset.STEM_dataafrica-ilo-emp-stem-sex-eco-nb-employment-in-stem-occupations-by-sex-and-economic
Employment in STEM occupations by sex and economic activity (thousands) | Africa (ILOSTAT) | Africa (Electric Sheep Africa metadata inventory)
Size category: 1K<n<10K - Formats: parquet - Sector: economics_finance - Engineered by Electric Sheep Africa
TL;DR
This dataset is part of the Electric Sheep Africa catalog on Hugging Face. It is indexed for African data discovery with standardized metadata, loading guidance, provenance notes, and analyst-oriented… See the full description on the dataset page: https://huggingface.co/datasets/electricsheepafrica/africa-ilo-emp-stem-sex-eco-nb-employment-in-stem-occupations-by-sex-and-economic.Javanese-Non-STEM-Textbook-DatasetDataset Description:
This dataset is a large-scale collection of Javanese Non-STEM textbook data, containing 597 books and 67.05 million words, designed to support the development and training of advanced NLP systems and AI models for language understanding, reasoning, and general knowledge learning in Javanese.
Full Dataset Overview
This dataset is part of a large-scale multilingual educational corpus containing over 3+ billion words across 5,000+ subjects, supported by interwoven images for… See the full description on the dataset page: https://huggingface.co/datasets/InfoBayAI/Javanese-Non-STEM-Textbook-Dataset.Indonesian-Non-STEM-Textbook-DatasetDataset Description:
This dataset is a large-scale collection of Indonesian Non-STEM textbook data, containing 4,098 books and 182.10 million words, designed to support the development and training of advanced NLP systems and AI models for language understanding, reasoning, and general knowledge learning in Bahasa.
Full Dataset Overview
This dataset is part of a large-scale multilingual educational corpus containing over 3+ billion words across 5,000+ subjects, supported by interwoven images… See the full description on the dataset page: https://huggingface.co/datasets/InfoBayAI/Indonesian-Non-STEM-Textbook-Dataset.africa-ilo-emp-stem-sex-ste-nb-employment-in-stem-occupations-by-sex-and-status-i
Employment in STEM occupations by sex and status in employment (thousands) | Africa (ILOSTAT) | Africa (Electric Sheep Africa metadata inventory)
Size category: 1K<n<10K - Formats: parquet - Sector: economics_finance - Engineered by Electric Sheep Africa
TL;DR
This dataset is part of the Electric Sheep Africa catalog on Hugging Face. It is indexed for African data discovery with standardized metadata, loading guidance, provenance notes, and analyst-oriented… See the full description on the dataset page: https://huggingface.co/datasets/electricsheepafrica/africa-ilo-emp-stem-sex-ste-nb-employment-in-stem-occupations-by-sex-and-status-i.Marathi-STEM-Textbook-DatasetDataset Description:
This dataset is a large-scale collection of Marathi STEM textbook data, containing 173 books and 7.81 million words, designed to support the development and training of advanced NLP systems and AI models for scientific understanding, problem-solving, and concept learning in Marathi.
Full Dataset Overview
This dataset is part of a large-scale multilingual educational corpus containing over 3+ billion words across 5,000+ subjects, supported by interwoven images for deeper… See the full description on the dataset page: https://huggingface.co/datasets/InfoBayAI/Marathi-STEM-Textbook-Dataset.Arabic-STEM-Textbook-DatasetDataset Description:
This dataset is a large-scale collection of Arabic STEM textbook data, containing 1,364 books and 63.51 million words, designed to support the development and training of advanced NLP systems and AI models for scientific understanding, problem-solving, and concept learning in Arabic.
Full Dataset Overview
This dataset is part of a large-scale multilingual educational corpus containing over 3+ billion words across 5,000+ subjects, supported by interwoven images for deeper… See the full description on the dataset page: https://huggingface.co/datasets/InfoBayAI/Arabic-STEM-Textbook-Dataset.Bengali-STEM-Textbook-DatasetDataset Description:
This dataset is a large-scale collection of Bengali STEM textbook data, containing 308 books and 12.88 million words, designed to support the development and training of advanced NLP systems and AI models for scientific understanding, problem-solving, and concept learning in Bengali.
Full Dataset Overview
This dataset is part of a large-scale multilingual educational corpus containing over 3+ billion words across 5,000+ subjects, supported by interwoven images for deeper… See the full description on the dataset page: https://huggingface.co/datasets/InfoBayAI/Bengali-STEM-Textbook-Dataset.