LeWorldModel: Stable End-to-End Joint-Embedding Predictive Architecture from Pixels
Paper • 2603.19312 • Published • 50
Datasets:
ArXiv:
License:
Dataset Viewer
The dataset viewer is not available for this subset.
Cannot get the split names for the config 'default' of the dataset.
Exception: SplitsNotFoundError
Message: The split names could not be parsed from the dataset config.
Traceback: Traceback (most recent call last):
File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 286, in get_dataset_config_info
for split_generator in builder._split_generators(
~~~~~~~~~~~~~~~~~~~~~~~~~^
StreamingDownloadManager(base_path=builder.base_path, download_config=download_config)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/hdf5/hdf5.py", line 60, in _split_generators
with h5py.File(f, "r") as h5:
~~~~~~~~~^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/h5py/_hl/files.py", line 555, in __init__
fid = make_fid(name, mode, userblock_size, fapl, fcpl, swmr=swmr)
File "/usr/local/lib/python3.14/site-packages/h5py/_hl/files.py", line 232, in make_fid
fid = h5f.open(name, flags, fapl=fapl)
File "h5py/_objects.pyx", line 54, in h5py._objects.with_phil.wrapper
File "h5py/_objects.pyx", line 55, in h5py._objects.with_phil.wrapper
File "h5py/h5f.pyx", line 106, in h5py.h5f.open
OSError: Unable to synchronously open file (file signature not found)
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/src/services/worker/src/worker/job_runners/config/split_names.py", line 66, in compute_split_names_from_streaming_response
for split in get_dataset_split_names(
~~~~~~~~~~~~~~~~~~~~~~~^
path=dataset,
^^^^^^^^^^^^^
config_name=config,
^^^^^^^^^^^^^^^^^^^
token=hf_token,
^^^^^^^^^^^^^^^
)
^
File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 340, in get_dataset_split_names
info = get_dataset_config_info(
path,
...<6 lines>...
**config_kwargs,
)
File "/usr/local/lib/python3.14/site-packages/datasets/inspect.py", line 291, in get_dataset_config_info
raise SplitsNotFoundError("The split names could not be parsed from the dataset config.") from err
datasets.inspect.SplitsNotFoundError: The split names could not be parsed from the dataset config.Need help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
LeWM — Original Benchmark Datasets (4-in-one)
The four original benchmark datasets from LeWorldModel (LeWM)
(project page, arXiv:2603.19312), collected in a single repo
for convenience. These are the pure-original published archives, byte-identical
(SHA-256 verified) to the upstream quentinll/lewm-* sources.
| Task | File | Size | Format |
|---|---|---|---|
| PushT | pusht_expert_train.h5.zst |
13.1 GB | zstd-compressed swm-HDF5 |
| Cube (single) | cube_single_expert.tar.zst |
46.2 GB | zstd .tar archive |
| TwoRooms | tworoom.tar.zst |
3.4 GB | zstd .tar archive |
| Reacher | reacher.tar.zst |
23.8 GB | zstd .tar archive |
Provenance
Mirrored from the authoritative upstream repos, each file content-hash (SHA-256) verified against its source:
quentinll/lewm-pusht→pusht_expert_train.h5.zstquentinll/lewm-cube→cube_single_expert.tar.zstquentinll/lewm-tworooms→tworoom.tar.zstquentinll/lewm-reacher→reacher.tar.zst
Decompress
# PushT — a single .h5 inside the zstd wrapper
zstd -d pusht_expert_train.h5.zst
# the three tar.zst archives
tar --use-compress-program=unzstd -xf cube_single_expert.tar.zst
tar --use-compress-program=unzstd -xf tworoom.tar.zst
tar --use-compress-program=unzstd -xf reacher.tar.zst
PushT is directly loadable by stable-worldmodel as swm-HDF5; the other three are the raw collected archives.
License
MIT, inherited from the upstream LeWM release.
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