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the_cauldron

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Collection of 50 vision-language training sets for multimodal fine-tuning.

DatasetImages & Vision414K/moFree
Open dataset
Updated 2026-06-15

What is the_cauldron?

The Cauldron is a single Hugging Face dataset that bundles training portions of fifty public vision-language collections released alongside Idefics2.

It supports researchers building or adapting vision-language models that require large-scale image-text training data.

Data preview

A real sample from the dataset — 2 columns.

imagesListtextsList
[{"src":"https://datasets-server.huggingface.co/cached-assets/HuggingFaceM4/the_cauldron/--/847a98a779b1652d65111daf20c972dfcd333605/--/ai2d/train/0/images/image-1d100e9.jpg?Expires=1781513188&Signatu[{"user":"Question: What do respiration and combustion give out\nChoices:\nA. Oxygen\nB. Carbon dioxide\nC. Nitrogen\nD. Heat\nAnswer with the letter.","assistant":"Answer: B","source":"AI2D"}]
[{"src":"https://datasets-server.huggingface.co/cached-assets/HuggingFaceM4/the_cauldron/--/847a98a779b1652d65111daf20c972dfcd333605/--/ai2d/train/1/images/image-1d100e9.jpg?Expires=1781513188&Signatu[{"user":"Question: From the given food web, name any two herbivores?\nChoices:\nA. coyote, bobcat\nB. dingo, jack rabbit\nC. dingo, bobcat\nD. roadrunner&jack rabbit\nAnswer with the letter.","assist
[{"src":"https://datasets-server.huggingface.co/cached-assets/HuggingFaceM4/the_cauldron/--/847a98a779b1652d65111daf20c972dfcd333605/--/ai2d/train/2/images/image-1d100e9.jpg?Expires=1781513188&Signatu[{"user":"Question: Anatomy One of a series of long curved bones occurring in 12 pairs in humans is called.\nChoices:\nA. diaphram\nB. lung\nC. none\nD. ribs\nAnswer with the letter.","assistant":"Ans
[{"src":"https://datasets-server.huggingface.co/cached-assets/HuggingFaceM4/the_cauldron/--/847a98a779b1652d65111daf20c972dfcd333605/--/ai2d/train/3/images/image-1d100e9.jpg?Expires=1781513188&Signatu[{"user":"Question: What process does this diagram portray?\nChoices:\nA. Erosion\nB. Water Cycle\nC. Photosynthesis\nD. Moon Phases\nAnswer with the letter.","assistant":"Answer: C","source":"AI2D"},
[{"src":"https://datasets-server.huggingface.co/cached-assets/HuggingFaceM4/the_cauldron/--/847a98a779b1652d65111daf20c972dfcd333605/--/ai2d/train/4/images/image-1d100e9.jpg?Expires=1781513188&Signatu[{"user":"Question: If the Termites in the community below were destroyed, which population would be most directly affected?\nChoices:\nA. Dingoes\nB. Mice\nC. Northern brown bandicoot\nD. none of abo

Dataset structure

Total rows
1,880,992
Columns
2
Size on disk
157 GB
SubsetSplitRows
ai2dtrain2,434
aokvqatrain16,539
chart2texttrain26,961
chartqatrain18,265
clevrtrain70,000
clevr_mathtrain70,000
cocoqatrain46,287
datikztrain47,974
diagram_image_to_texttrain300
docvqatrain10,189
dvqatrain200,000
figureqatrain100,000

What you can build with the_cauldron

Fine-tune vision-language models

Train or adapt models like Idefics2 on a large aggregated set of image-text pairs for improved multimodal understanding.

Benchmark data mixing strategies

Experiment with sampling from 50 source datasets to study effects of data diversity on model performance.

Build instruction-tuned VL systems

Use the combined training splits to create datasets for visual question answering or captioning pipelines.

Load the_cauldron

Python
from datasets import load_dataset

ds = load_dataset("HuggingFaceM4/the_cauldron")
  1. 1pip install datasets
  2. 2from datasets import load_dataset
  3. 3dataset = load_dataset('HuggingFaceM4/the_cauldron')
  4. 4Access splits via dataset['train'] and inspect image/text columns
  5. 5Filter or subsample examples as needed for your training loop

the_cauldron: pros & cons

Pros

  • +Aggregates 50 vision-language sources into one collection
  • +Scale of 1-10 million examples suitable for fine-tuning
  • +Directly prepared for Idefics2-style training
  • +Accessible through standard Hugging Face datasets API

Cons

  • License terms inherited from 50 original datasets may conflict
  • Potential duplicates or inconsistent formatting across sources
  • No validation or test splits provided
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Frequently asked questions

A collection of training splits from 50 vision-language datasets compiled by Hugging Face M4, containing between one and ten million examples.

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