Molmo2-ER Datasets
Collection
Collection of the embodied reasoning datasets for MolmoAct2 • 11 items • Updated • 8
Dataset Viewer
The dataset viewer is not available for this split.
Cannot load the dataset split (in streaming mode) to extract the first rows.
Error code: StreamingRowsError
Exception: ChunkedEncodingError
Message: ('Connection broken: IncompleteRead(290454 bytes read, 4962666 more expected)', IncompleteRead(290454 bytes read, 4962666 more expected))
Traceback: Traceback (most recent call last):
File "/usr/local/lib/python3.12/site-packages/urllib3/response.py", line 779, in _error_catcher
yield
File "/usr/local/lib/python3.12/site-packages/urllib3/response.py", line 925, in _raw_read
raise IncompleteRead(self._fp_bytes_read, self.length_remaining)
urllib3.exceptions.IncompleteRead: IncompleteRead(290454 bytes read, 4962666 more expected)
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/usr/local/lib/python3.12/site-packages/requests/models.py", line 820, in generate
yield from self.raw.stream(chunk_size, decode_content=True)
File "/usr/local/lib/python3.12/site-packages/urllib3/response.py", line 1091, in stream
data = self.read(amt=amt, decode_content=decode_content)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/urllib3/response.py", line 1008, in read
data = self._raw_read(amt)
^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/urllib3/response.py", line 903, in _raw_read
with self._error_catcher():
^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/contextlib.py", line 158, in __exit__
self.gen.throw(value)
File "/usr/local/lib/python3.12/site-packages/urllib3/response.py", line 803, in _error_catcher
raise ProtocolError(arg, e) from e
urllib3.exceptions.ProtocolError: ('Connection broken: IncompleteRead(290454 bytes read, 4962666 more expected)', IncompleteRead(290454 bytes read, 4962666 more expected))
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/src/services/worker/src/worker/utils.py", line 99, in get_rows_or_raise
return get_rows(
^^^^^^^^^
File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
return func(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^
File "/src/services/worker/src/worker/utils.py", line 77, in get_rows
rows_plus_one = list(itertools.islice(ds, rows_max_number + 1))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2690, in __iter__
for key, example in ex_iterable:
^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2237, in __iter__
for key, example in self.ex_iterable:
^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 294, in __iter__
for key_example in islice(self.generate_examples_fn(**gen_kwargs), shard_example_idx_start, None):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/packaged_modules/webdataset/webdataset.py", line 120, in _generate_examples
for example_idx, example in enumerate(self._get_pipeline_from_tar(tar_path, tar_iterator)):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/packaged_modules/webdataset/webdataset.py", line 45, in _get_pipeline_from_tar
current_example[field_name] = f.read()
^^^^^^^^
File "/usr/local/lib/python3.12/tarfile.py", line 691, in read
b = self.fileobj.read(length)
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/tarfile.py", line 528, in read
buf = self._read(size)
^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/tarfile.py", line 546, in _read
buf = self.fileobj.read(self.bufsize)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/utils/file_utils.py", line 844, in read_with_retries
out = read(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/huggingface_hub/hf_file_system.py", line 1015, in read
return super().read(length)
^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/fsspec/spec.py", line 1846, in read
out = self.cache._fetch(self.loc, self.loc + length)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/fsspec/caching.py", line 189, in _fetch
self.cache = self.fetcher(start, end) # new block replaces old
^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/huggingface_hub/hf_file_system.py", line 969, in _fetch_range
r = http_backoff(
^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/huggingface_hub/utils/_http.py", line 310, in http_backoff
response = session.request(method=method, url=url, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 589, in request
resp = self.send(prep, **send_kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 724, in send
history = [resp for resp in gen]
^^^
File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 265, in resolve_redirects
resp = self.send(
^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 746, in send
r.content
File "/usr/local/lib/python3.12/site-packages/requests/models.py", line 902, in content
self._content = b"".join(self.iter_content(CONTENT_CHUNK_SIZE)) or b""
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/requests/models.py", line 822, in generate
raise ChunkedEncodingError(e)
requests.exceptions.ChunkedEncodingError: ('Connection broken: IncompleteRead(290454 bytes read, 4962666 more expected)', IncompleteRead(290454 bytes read, 4962666 more expected))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.
Molmo2-ER · nyu-visionx/VSI-590K
590K spatial QA samples (image+video) propagated from 3D ground truth and CV pseudo-labels.
This is a re-hosted, loader-ready subset of the upstream dataset, used to train allenai/Molmo2-ER-4B. Files mirror the upstream layout; nothing in the data has been modified.
Upstream source
- Original dataset: nyu-visionx/VSI-590K
- Paper: Cambrian-S: Towards Spatial Supersensing in Video (arXiv:2511.04670)
- License:
apache-2.0(inherits from upstream)
If you use this data, please cite the original authors:
@misc{yang2025cambriansspatialsupersensingvideo,
title={Cambrian-S: Towards Spatial Supersensing in Video},
author={Shusheng Yang and Jihan Yang and Pinzhi Huang and others},
year={2025},
eprint={2511.04670},
archivePrefix={arXiv}
}
Extracting before training
This release ships archives. Extract them in-place before pointing SPATIAL_DATA_HOME at this directory:
for f in *.tar.gz; do tar -xzf $f; done
Usage in Molmo2-ER
See the allenai/molmo2 repository for the data loader and training recipe. The relevant loader class for this dataset lives in olmo/data/spatial_datasets.py.
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