molmospaces / README.md
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metadata
license:
  - odc-by
  - cc-by-4.0
tags:
  - robotics
  - embodied ai
  - grasps
  - objects
  - scenes
  - benchmark
pretty_name: MolmoSpaces
size_categories:
  - 100K<n<1M
configs:
  - config_name: isaac__objects__objaverse__20260128
    data_files:
      - split: pkgs
        path: isaac__objects__objaverse__20260128/pkgs-*
  - config_name: isaac__objects__thor__20260128
    data_files:
      - split: pkgs
        path: isaac__objects__thor__20260128/pkgs-*
  - config_name: isaac__scenes__holodeck-objaverse-train__20260128
    data_files:
      - split: pkgs
        path: isaac__scenes__holodeck-objaverse-train__20260128/pkgs-*
  - config_name: isaac__scenes__holodeck-objaverse-val__20260128
    data_files:
      - split: pkgs
        path: isaac__scenes__holodeck-objaverse-val__20260128/pkgs-*
  - config_name: isaac__scenes__ithor__20260121
    data_files:
      - split: pkgs
        path: isaac__scenes__ithor__20260121/pkgs-*
  - config_name: isaac__scenes__procthor-10k-test__20260128
    data_files:
      - split: pkgs
        path: isaac__scenes__procthor-10k-test__20260128/pkgs-*
  - config_name: isaac__scenes__procthor-10k-train__20260128
    data_files:
      - split: pkgs
        path: isaac__scenes__procthor-10k-train__20260128/pkgs-*
  - config_name: isaac__scenes__procthor-10k-val__20260128
    data_files:
      - split: pkgs
        path: isaac__scenes__procthor-10k-val__20260128/pkgs-*
  - config_name: isaac__scenes__procthor-objaverse-train__20260128
    data_files:
      - split: pkgs
        path: isaac__scenes__procthor-objaverse-train__20260128/pkgs-*
  - config_name: isaac__scenes__procthor-objaverse-val__20260128
    data_files:
      - split: pkgs
        path: isaac__scenes__procthor-objaverse-val__20260128/pkgs-*
  - config_name: mujoco__benchmarks__molmospaces-bench-v1__20260210
    data_files:
      - split: pkgs
        path: mujoco__benchmarks__molmospaces-bench-v1__20260210/pkgs-*
  - config_name: mujoco__benchmarks__molmospaces-bench-v1__20260318
    data_files:
      - split: pkgs
        path: mujoco__benchmarks__molmospaces-bench-v1__20260318/pkgs-*
  - config_name: mujoco__benchmarks__molmospaces-bench-v2__20260325
    data_files:
      - split: pkgs
        path: mujoco__benchmarks__molmospaces-bench-v2__20260325/pkgs-*
  - config_name: mujoco__benchmarks__molmospaces-bench-v2__20260325_1
    data_files:
      - split: pkgs
        path: mujoco__benchmarks__molmospaces-bench-v2__20260325_1/pkgs-*
  - config_name: mujoco__benchmarks__molmospaces-bench-v2__20260327
    data_files:
      - split: pkgs
        path: mujoco__benchmarks__molmospaces-bench-v2__20260327/pkgs-*
  - config_name: mujoco__benchmarks__molmospaces-bench-v2__20260330
    data_files:
      - split: pkgs
        path: mujoco__benchmarks__molmospaces-bench-v2__20260330/pkgs-*
  - config_name: mujoco__grasps__droid__20251116
    data_files:
      - split: pkgs
        path: mujoco__grasps__droid__20251116/pkgs-*
  - config_name: mujoco__grasps__droid_objaverse__20251218
    data_files:
      - split: pkgs
        path: mujoco__grasps__droid_objaverse__20251218/pkgs-*
  - config_name: mujoco__objects__objathor_metadata__20260129
    data_files:
      - split: pkgs
        path: mujoco__objects__objathor_metadata__20260129/pkgs-*
  - config_name: mujoco__objects__objaverse__20260131
    data_files:
      - split: pkgs
        path: mujoco__objects__objaverse__20260131/pkgs-*
  - config_name: mujoco__objects__thor__20251117
    data_files:
      - split: pkgs
        path: mujoco__objects__thor__20251117/pkgs-*
  - config_name: mujoco__robots__floating_robotiq__20260208_retry4
    data_files:
      - split: pkgs
        path: mujoco__robots__floating_robotiq__20260208_retry4/pkgs-*
  - config_name: mujoco__robots__floating_rum__20251110
    data_files:
      - split: pkgs
        path: mujoco__robots__floating_rum__20251110/pkgs-*
  - config_name: mujoco__robots__franka_droid__20260127
    data_files:
      - split: pkgs
        path: mujoco__robots__franka_droid__20260127/pkgs-*
  - config_name: mujoco__robots__franka_fr3__20260303
    data_files:
      - split: pkgs
        path: mujoco__robots__franka_fr3__20260303/pkgs-*
  - config_name: mujoco__robots__rby1__20251224
    data_files:
      - split: pkgs
        path: mujoco__robots__rby1__20251224/pkgs-*
  - config_name: mujoco__robots__rby1m__20251224
    data_files:
      - split: pkgs
        path: mujoco__robots__rby1m__20251224/pkgs-*
  - config_name: mujoco__scenes__holodeck-objaverse-train__20251217
    data_files:
      - split: pkgs
        path: mujoco__scenes__holodeck-objaverse-train__20251217/pkgs-*
  - config_name: mujoco__scenes__holodeck-objaverse-val__20251217
    data_files:
      - split: pkgs
        path: mujoco__scenes__holodeck-objaverse-val__20251217/pkgs-*
  - config_name: mujoco__scenes__ithor__20251217
    data_files:
      - split: pkgs
        path: mujoco__scenes__ithor__20251217/pkgs-*
  - config_name: mujoco__scenes__procthor-10k-test__20251121
    data_files:
      - split: pkgs
        path: mujoco__scenes__procthor-10k-test__20251121/pkgs-*
  - config_name: mujoco__scenes__procthor-10k-train__20251122
    data_files:
      - split: pkgs
        path: mujoco__scenes__procthor-10k-train__20251122/pkgs-*
  - config_name: mujoco__scenes__procthor-10k-val__20251217
    data_files:
      - split: pkgs
        path: mujoco__scenes__procthor-10k-val__20251217/pkgs-*
  - config_name: mujoco__scenes__procthor-objaverse-train__20251205
    data_files:
      - split: pkgs
        path: mujoco__scenes__procthor-objaverse-train__20251205/pkgs-*
  - config_name: mujoco__scenes__procthor-objaverse-val__20251205
    data_files:
      - split: pkgs
        path: mujoco__scenes__procthor-objaverse-val__20251205/pkgs-*
  - config_name: mujoco__scenes__refs__20250923
    data_files:
      - split: pkgs
        path: mujoco__scenes__refs__20250923/pkgs-*
  - config_name: mujoco__test_data__franka_pick__20260202
    data_files:
      - split: pkgs
        path: mujoco__test_data__franka_pick__20260202/pkgs-*
  - config_name: mujoco__test_data__franka_pick_and_place__20260202
    data_files:
      - split: pkgs
        path: mujoco__test_data__franka_pick_and_place__20260202/pkgs-*
  - config_name: mujoco__test_data__rby1_door_opening__20250107
    data_files:
      - split: pkgs
        path: mujoco__test_data__rby1_door_opening__20250107/pkgs-*
  - config_name: mujoco__test_data__rum_open_close__20260202
    data_files:
      - split: pkgs
        path: mujoco__test_data__rum_open_close__20260202/pkgs-*
  - config_name: mujoco__test_data__rum_pick__20260202
    data_files:
      - split: pkgs
        path: mujoco__test_data__rum_pick__20260202/pkgs-*
  - config_name: mujoco__test_data__test_randomized_data__20251209
    data_files:
      - split: pkgs
        path: mujoco__test_data__test_randomized_data__20251209/pkgs-*
  - config_name: mujoco__test_data__thormap__20251209
    data_files:
      - split: pkgs
        path: mujoco__test_data__thormap__20251209/pkgs-*
dataset_info:
  - config_name: isaac__objects__objaverse__20260128
    features:
      - name: path
        dtype: string
      - name: shard_id
        dtype: int64
      - name: offset
        dtype: int64
      - name: size
        dtype: int64
      - name: inflated_size
        dtype: int64
    splits:
      - name: pkgs
        num_bytes: 11803202
        num_examples: 129710
    download_size: 6081711
    dataset_size: 11803202
  - config_name: isaac__objects__thor__20260128
    features:
      - name: path
        dtype: string
      - name: shard_id
        dtype: int64
      - name: offset
        dtype: int64
      - name: size
        dtype: int64
      - name: inflated_size
        dtype: int64
    splits:
      - name: pkgs
        num_bytes: 22117
        num_examples: 382
    download_size: 12190
    dataset_size: 22117
  - config_name: isaac__scenes__holodeck-objaverse-train__20260128
    features:
      - name: path
        dtype: string
      - name: shard_id
        dtype: int64
      - name: offset
        dtype: int64
      - name: size
        dtype: int64
      - name: inflated_size
        dtype: int64
    splits:
      - name: pkgs
        num_bytes: 7943835
        num_examples: 99436
    download_size: 2171714
    dataset_size: 7943835
  - config_name: isaac__scenes__holodeck-objaverse-val__20260128
    features:
      - name: path
        dtype: string
      - name: shard_id
        dtype: int64
      - name: offset
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      - name: size
        dtype: int64
      - name: inflated_size
        dtype: int64
    splits:
      - name: pkgs
        num_bytes: 748890
        num_examples: 10000
    download_size: 241179
    dataset_size: 748890
  - config_name: isaac__scenes__ithor__20260121
    features:
      - name: path
        dtype: string
      - name: shard_id
        dtype: int64
      - name: offset
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      - name: size
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      - name: inflated_size
        dtype: int64
    splits:
      - name: pkgs
        num_bytes: 8361
        num_examples: 120
    download_size: 5498
    dataset_size: 8361
  - config_name: isaac__scenes__procthor-10k-test__20260128
    features:
      - name: path
        dtype: string
      - name: shard_id
        dtype: int64
      - name: offset
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      - name: size
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      - name: inflated_size
        dtype: int64
    splits:
      - name: pkgs
        num_bytes: 69890
        num_examples: 1000
    download_size: 27600
    dataset_size: 69890
  - config_name: isaac__scenes__procthor-10k-train__20260128
    features:
      - name: path
        dtype: string
      - name: shard_id
        dtype: int64
      - name: offset
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      - name: size
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      - name: inflated_size
        dtype: int64
    splits:
      - name: pkgs
        num_bytes: 728890
        num_examples: 10000
    download_size: 249245
    dataset_size: 728890
  - config_name: isaac__scenes__procthor-10k-val__20260128
    features:
      - name: path
        dtype: string
      - name: shard_id
        dtype: int64
      - name: offset
        dtype: int64
      - name: size
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      - name: inflated_size
        dtype: int64
    splits:
      - name: pkgs
        num_bytes: 67890
        num_examples: 1000
    download_size: 27578
    dataset_size: 67890
  - config_name: isaac__scenes__procthor-objaverse-train__20260128
    features:
      - name: path
        dtype: string
      - name: shard_id
        dtype: int64
      - name: offset
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      - name: inflated_size
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    splits:
      - name: pkgs
        num_bytes: 7981868
        num_examples: 99912
    download_size: 2186486
    dataset_size: 7981868
  - config_name: isaac__scenes__procthor-objaverse-val__20260128
    features:
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      - name: inflated_size
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    splits:
      - name: pkgs
        num_bytes: 748815
        num_examples: 9999
    download_size: 241148
    dataset_size: 748815
  - config_name: mujoco__benchmarks__molmospaces-bench-v1__20260210
    features:
      - name: path
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      - name: shard_id
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    splits:
      - name: pkgs
        num_bytes: 227
        num_examples: 3
    download_size: 2820
    dataset_size: 227
  - config_name: mujoco__benchmarks__molmospaces-bench-v1__20260318
    features:
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    splits:
      - name: pkgs
        num_bytes: 313
        num_examples: 4
    download_size: 2866
    dataset_size: 313
  - config_name: mujoco__benchmarks__molmospaces-bench-v2__20260325
    features:
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    splits:
      - name: pkgs
        num_bytes: 313
        num_examples: 4
    download_size: 2866
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  - config_name: mujoco__benchmarks__molmospaces-bench-v2__20260325_1
    features:
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    splits:
      - name: pkgs
        num_bytes: 313
        num_examples: 4
    download_size: 2867
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  - config_name: mujoco__benchmarks__molmospaces-bench-v2__20260327
    features:
      - name: path
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    splits:
      - name: pkgs
        num_bytes: 313
        num_examples: 4
    download_size: 2867
    dataset_size: 313
  - config_name: mujoco__benchmarks__molmospaces-bench-v2__20260330
    features:
      - name: path
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      - name: shard_id
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    splits:
      - name: pkgs
        num_bytes: 313
        num_examples: 4
    download_size: 2867
    dataset_size: 313
  - config_name: mujoco__grasps__droid__20251116
    features:
      - name: path
        dtype: string
      - name: shard_id
        dtype: int64
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    splits:
      - name: pkgs
        num_bytes: 5121
        num_examples: 81
    download_size: 5180
    dataset_size: 5121
  - config_name: mujoco__grasps__droid_objaverse__20251218
    features:
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    splits:
      - name: pkgs
        num_bytes: 4426095
        num_examples: 48111
    download_size: 2048203
    dataset_size: 4426095
  - config_name: mujoco__objects__objathor_metadata__20260129
    features:
      - name: path
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    splits:
      - name: pkgs
        num_bytes: 165
        num_examples: 2
    download_size: 2798
    dataset_size: 165
  - config_name: mujoco__objects__objaverse__20260131
    features:
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    splits:
      - name: pkgs
        num_bytes: 11155955
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    download_size: 6078341
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  - config_name: mujoco__objects__thor__20251117
    features:
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    splits:
      - name: pkgs
        num_bytes: 1119
        num_examples: 17
    download_size: 3279
    dataset_size: 1119
  - config_name: mujoco__robots__floating_robotiq__20260208_retry4
    features:
      - name: path
        dtype: string
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    splits:
      - name: pkgs
        num_bytes: 60
        num_examples: 1
    download_size: 2627
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  - config_name: mujoco__robots__floating_rum__20251110
    features:
      - name: path
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    splits:
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        num_bytes: 58
        num_examples: 1
    download_size: 2616
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  - config_name: mujoco__robots__franka_droid__20260127
    features:
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    splits:
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    download_size: 2606
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  - config_name: mujoco__robots__franka_fr3__20260303
    features:
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    splits:
      - name: pkgs
        num_bytes: 54
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    download_size: 2595
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  - config_name: mujoco__robots__rby1__20251224
    features:
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    splits:
      - name: pkgs
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        num_examples: 1
    download_size: 2564
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  - config_name: mujoco__robots__rby1m__20251224
    features:
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    splits:
      - name: pkgs
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        num_examples: 1
    download_size: 2569
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  - config_name: mujoco__scenes__holodeck-objaverse-train__20251217
    features:
      - name: path
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      - name: shard_id
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      - name: inflated_size
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    splits:
      - name: pkgs
        num_bytes: 7988667
        num_examples: 99997
    download_size: 2153894
    dataset_size: 7988667
  - config_name: mujoco__scenes__holodeck-objaverse-val__20251217
    features:
      - name: path
        dtype: string
      - name: shard_id
        dtype: int64
      - name: offset
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      - name: size
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      - name: inflated_size
        dtype: int64
    splits:
      - name: pkgs
        num_bytes: 748985
        num_examples: 10001
    download_size: 225007
    dataset_size: 748985
  - config_name: mujoco__scenes__ithor__20251217
    features:
      - name: path
        dtype: string
      - name: shard_id
        dtype: int64
      - name: offset
        dtype: int64
      - name: size
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      - name: inflated_size
        dtype: int64
    splits:
      - name: pkgs
        num_bytes: 8497
        num_examples: 122
    download_size: 5842
    dataset_size: 8497
  - config_name: mujoco__scenes__procthor-10k-test__20251121
    features:
      - name: path
        dtype: string
      - name: shard_id
        dtype: int64
      - name: offset
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      - name: inflated_size
        dtype: int64
    splits:
      - name: pkgs
        num_bytes: 70113
        num_examples: 1002
    download_size: 24818
    dataset_size: 70113
  - config_name: mujoco__scenes__procthor-10k-train__20251122
    features:
      - name: path
        dtype: string
      - name: shard_id
        dtype: int64
      - name: offset
        dtype: int64
      - name: size
        dtype: int64
      - name: inflated_size
        dtype: int64
    splits:
      - name: pkgs
        num_bytes: 728890
        num_examples: 10000
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MolmoSpaces

This respository contains asset data for MolmoSpaces, including

  • Objects
  • Robots
  • Scenes
  • Grasps
  • Benchmarks

Updates

[2026/02/16] - Isaac-compatible USD objects and scenes now also available!

Downloading

We recommend using the download.py script to list available data sources and extract data from one or all sources to a local cache directory. To use the script you'll need a few dependecies in your Python environment that can be installed, e.g., by:

pip install zstandard datasets huggingface-hub tqdm

License

The Objaverse subset is licensed under ODC-BY 1.0. All other data subsets are licensed under CC BY 4.0. This dataset is intended for research and educational use in accordance with Ai2's Responsible Use Guidelines. The scripts are licensed under Apache 2.0.

Data Attributions

The xml files have been modified from the original versions provided by the following sources:

The included metadata (downloadable from the mujoco/objects/objathor_metadata/20260129 source) provides the license for each object in the Objaverse subset.

We note that Objaverse models have been significantly modified to reduce memory and processing requirements, including mesh decimation, convex collider extraction, and baking of visual effects via Blender scripts, so the provided quality may not reflect the original model.

BibTeX

@misc{molmospaces2026,
  title={MolmoSpaces: A Large-Scale Open Ecosystem for Robot Navigation and Manipulation},
  author={Yejin Kim and Wilbert Pumacay and Omar Rayyan and Max Argus and Winson Han and Eli VanderBilt and Jordi Salvador and Abhay Deshpande and Rose Hendrix and Snehal Jauhri and Shuo Liu and Nur Muhammad Mahi Shafiullah and Maya Guru and Arjun Guru and Ainaz Eftekhar and Karen Farley and Donovan Clay and Jiafei Duan and Piper Wolters and Alvaro Herrasti and Ying-Chun Lee and Georgia Chalvatzaki and Yuchen Cui and Ali Farhadi and Dieter Fox and Ranjay Krishna},
  year={2026},
  eprint={2602.11337},
  archivePrefix={arXiv},
  primaryClass={cs.RO},
  url={https://arxiv.org/abs/2602.11337},
}