Dataset Viewer
The dataset viewer is not available for this dataset.
Cannot get the config names for the dataset.
Error code:   ConfigNamesError
Exception:    ReadTimeout
Message:      (ReadTimeoutError("HTTPSConnectionPool(host='huggingface.co', port=443): Read timed out. (read timeout=10)"), '(Request ID: 6e5a6bc1-b312-4b58-94b4-d475fbe9988c)')
Traceback:    Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/dataset/config_names.py", line 66, in compute_config_names_response
                  config_names = get_dataset_config_names(
                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/inspect.py", line 161, in get_dataset_config_names
                  dataset_module = dataset_module_factory(
                                   ^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/load.py", line 1031, in dataset_module_factory
                  raise e1 from None
                File "/usr/local/lib/python3.12/site-packages/datasets/load.py", line 1004, in dataset_module_factory
                  ).get_module()
                    ^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/load.py", line 591, in get_module
                  standalone_yaml_path = cached_path(
                                         ^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/utils/file_utils.py", line 169, in cached_path
                  ).resolve_path(url_or_filename)
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/huggingface_hub/hf_file_system.py", line 198, in resolve_path
                  repo_and_revision_exist, err = self._repo_and_revision_exist(repo_type, repo_id, revision)
                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/huggingface_hub/hf_file_system.py", line 125, in _repo_and_revision_exist
                  self._api.repo_info(
                File "/usr/local/lib/python3.12/site-packages/huggingface_hub/utils/_validators.py", line 114, in _inner_fn
                  return fn(*args, **kwargs)
                         ^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/huggingface_hub/hf_api.py", line 2816, in repo_info
                  return method(
                         ^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/huggingface_hub/utils/_validators.py", line 114, in _inner_fn
                  return fn(*args, **kwargs)
                         ^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/huggingface_hub/hf_api.py", line 2673, in dataset_info
                  r = get_session().get(path, headers=headers, timeout=timeout, params=params)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/requests/sessions.py", line 602, in get
                  return self.request("GET", 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 703, in send
                  r = adapter.send(request, **kwargs)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/huggingface_hub/utils/_http.py", line 96, in send
                  return super().send(request, *args, **kwargs)
                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/requests/adapters.py", line 690, in send
                  raise ReadTimeout(e, request=request)
              requests.exceptions.ReadTimeout: (ReadTimeoutError("HTTPSConnectionPool(host='huggingface.co', port=443): Read timed out. (read timeout=10)"), '(Request ID: 6e5a6bc1-b312-4b58-94b4-d475fbe9988c)')

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.

⚠️ NOTE: This dataset does not contain the full set of olmOCR PDFs. ⚠️

Some of our olmOCR PDFs have been redacted following the training of Olmo 3 7B. For a more complete set of olmOCR PDFs, please refer to our 32B data mix: https://huggingface.co/datasets/allenai/dolma3_mix-5.5T-1125


Logo for Dolma Mix

Dolma 3 Mix (6T)

The Dolma 3 Mix (6T) is the collection of data used during the pretraining stage to train the Olmo-3-1025-7B model. This dataset is made up of ~6 trillion tokens from a diverse mix of web content, academic publications, code, and more. The majority of this dataset comes from Common Crawl.

For more information on Dolma, please see our original release here.

Dataset Sources

Source Sizes

This dataset contains the full mix of documents used to train Olmo 3 7B.

Source Doc Type Tokens Bytes (uncompressed) Documents License
common_crawl web pages 4.51T 18.0TB 3.15B ODC-BY
olmocr_science_pdfs academic papers 805B 3.22TB 83.8M ODC-BY
stack_edu code 409B 1.64TB 525.8M ODC-BY
finemath-3plus mathematics 151B 607GB 95.5M ODC-BY
rpj-proofpile-arxiv research papers 50.9B 203GB 9.10M ODC-BY
dolma1_7-wiki-en encyclopedic 2.51B 10.0GB 4.24M ODC-BY
Total 5.93T 23.7TB 3.87B ODC-BY

Mix Compositions

Source 6T
Source % Mix %
common_crawl 76.07% 76.07%
olmocr_science_pdfs 13.57% 13.57%
stack_edu 6.89% 6.89%
finemath-3plus 2.56% 2.56%
rpj-proofpile-arxiv 0.86% 0.86%
dolma1_7-wiki-en 0.04% 0.04%

Licensing Information

Dolma 3 mix is licensed under the Open Data Commons Attribution License v1.0 (ODC-By). It is intended for research and educational use. For more information, please see our Responsible Use Guidelines.

Citation

A technical manuscript is forthcoming! Find the paper at: https://allenai.org/papers/olmo3

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