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---
dataset_info:
- config_name: DINO
  features:
  - name: random_crop
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  - name: epochs
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  - name: seed
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  - name: learning_rate
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  - name: random_flip
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  - name: subset
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  - name: hf_model_url
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    num_examples: 701
  - name: val
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  download_size: 253029
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- config_name: MAE
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  - name: subset
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  download_size: 253409
  dataset_size: 791793
- config_name: ResNet
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  - name: seed
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  - name: max_train_steps
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  - name: best_checkpoint_val_accuracy
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  - name: learning_rate
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  - name: hf_model_id
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- config_name: SD_200
  features:
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  - name: imagenet_class_name
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  - name: seed
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  - name: learning_rate
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  - name: rank
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  - name: pretrained_model_name_or_path
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  - name: hf_model_id
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- config_name: SupViT
  features:
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  - name: epochs
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  - name: seed
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  - name: best_checkpoint_test_loss
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  - name: model_idx
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  - name: max_train_steps
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    dtype: bool
  - name: split
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  - name: subset
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  - name: val
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  - name: test
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  download_size: 248900
  dataset_size: 804021
configs:
- config_name: DINO
  data_files:
  - split: train
    path: DINO/train-*
  - split: val
    path: DINO/val-*
  - split: test
    path: DINO/test-*
- config_name: MAE
  data_files:
  - split: train
    path: MAE/train-*
  - split: val
    path: MAE/val-*
  - split: test
    path: MAE/test-*
- config_name: ResNet
  data_files:
  - split: train
    path: ResNet/train-*
  - split: val
    path: ResNet/val-*
  - split: test
    path: ResNet/test-*
- config_name: SD_1k
  data_files:
  - split: train
    path: SD_1k/train-*
  - split: val
    path: SD_1k/val-*
  - split: test
    path: SD_1k/test-*
  - split: val_holdout
    path: SD_1k/val_holdout-*
  - split: test_holdout
    path: SD_1k/test_holdout-*
- config_name: SD_200
  data_files:
  - split: train
    path: SD_200/train-*
  - split: val
    path: SD_200/val-*
  - split: test
    path: SD_200/test-*
  - split: val_holdout
    path: SD_200/val_holdout-*
  - split: test_holdout
    path: SD_200/test_holdout-*
- config_name: SupViT
  data_files:
  - split: train
    path: SupViT/train-*
  - split: val
    path: SupViT/val-*
  - split: test
    path: SupViT/test-*
tags:
  - probex
  - model-j
  - weight-space-learning
  - model-zoo
  - hyperparameters
  - stable-diffusion
  - vit
  - resnet
size_categories:
  - 10K<n<100K
---

# Model-J Dataset

This dataset contains the hyperparameters, metadata, and Hugging Face links for all models in the **Model-J** dataset, introduced in:

**Learning on Model Weights using Tree Experts** (CVPR 2025) by Eliahu Horwitz*, Bar Cavia*, Jonathan Kahana*, Yedid Hoshen

<p align="center">
    ๐ŸŒ <a href="https://horwitz.ai/probex" target="_blank">Project</a> | ๐Ÿ“ƒ <a href="https://arxiv.org/abs/2410.13569" target="_blank">Paper</a> | ๐Ÿ’ป <a href="https://github.com/eliahuhorwitz/ProbeX" target="_blank">GitHub</a> | ๐Ÿค— <a href="https://huggingface.co/ProbeX" target="_blank">Models</a>
</p>

![ProbeX](https://raw.githubusercontent.com/eliahuhorwitz/ProbeX/main/imgs/poster.png)

## Overview

Model-J is a large-scale dataset of trained neural networks designed for research on learning from model weights. It contains **14,004** models spanning 6 subsets, each with train/val/test splits. Every row in this dataset provides the full training hyperparameters, performance metrics, and a direct link to the corresponding model weights on Hugging Face.

## Subsets

### Discriminative (one model per HF repo)

| Subset | Base Model | Train | Val | Test | Total |
|---|---|---|---|---|---|
| **DINO** | `facebook/dino-vitb16` | 701 | 100 | 201 | 1,002 |
| **MAE** | `facebook/vit-mae-base` | 701 | 100 | 201 | 1,002 |
| **SupViT** | `google/vit-base-patch16-224` | 698 | 99 | 201 | 998 |
| **ResNet** | `microsoft/resnet-18` | 701 | 100 | 201 | 1,002 |

Each discriminative model is a full fine-tuned classifier hosted in its own Hugging Face repository. The `hf_model_id` and `hf_model_url` columns point directly to the model.

### Generative (bundled LoRA models in a single HF repo)

| Subset | Train | Val | Test | Val Holdout | Test Holdout | Total |
|---|---|-----|------|-------------|--------------|---|
| **SD_200** | 3,500 | 251 | 499  | 249 | 501          | 5,000        |
| **SD_1k** | 3,500 | 251 | 499  | 249 | 501          | 5,000       |


Each generative model is a LoRA adapter. All models within a subset are bundled into a single Hugging Face repository ([SD_1k](https://huggingface.co/ProbeX/Model-J__SD_1k), [SD_200](https://huggingface.co/ProbeX/Model-J__SD_200)). The `hf_model_path` column provides the path to each model's weights within the repo. Each model's directory also contains its training images.

## Citation
If you find this useful for your research, please use the following.

```
@InProceedings{Horwitz_2025_CVPR,
    author    = {Horwitz, Eliahu and Cavia, Bar and Kahana, Jonathan and Hoshen, Yedid},
    title     = {Learning on Model Weights using Tree Experts},
    booktitle = {Proceedings of the Computer Vision and Pattern Recognition Conference (CVPR)},
    month     = {June},
    year      = {2025},
    pages     = {20468-20478}
}
```