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DavanstrienModel

UltraBERT Curation

UltraBERT Curation is a 380M-parameter decision model for data-curation tasks, released with its training data and training recipe. It returns probabilities for named, typed questions and can also run as a GLiClass zero-shot classifier.

What it does

Use it to score or classify text such as web pages, prompts, maths problems, and library records for curation attributes including topic, format, educational value, and difficulty.

Availability
Available on Hugging Face; usage instructions and model files are provided
Pricing model
Not established
Deployment
Runs on CPU or GPU; can be served locally
Privacy
Not established
Licence
Apache-2.0
Capability
analysis
Modality
text
Access
APICLIopen weights
Deployment
on-premises
Pricing
unknown
Target user
developerresearcher

Evidence

6 claims
  • The model returns probabilities for options in choice, yes/no (noul), and ordered-level (score) questions. [1]
  • It is intended for curation questions about web pages, prompts, maths problems, and library records. [1]
    | Good at | curation questions on web pages, prompts, maths problems and library records: topic, format, educational value, difficulty, task type, validity, catalogue class |
    Hugging Face. Quoted text is outside CC BY 4.0 and keeps its original rights.
  • The model, training data, and training recipe are released publicly. [1]
    A 380M-parameter decision model for data curation, with **its training data and the recipe that made it, both
    Hugging Face. Quoted text is outside CC BY 4.0 and keeps its original rights.
  • The Jev / System One API can run on CPU or GPU. [1]
    In Python, without the server: `from jev_api import system_one; system_one(state, questions)`.
    Hugging Face. Quoted text is outside CC BY 4.0 and keeps its original rights.
  • The model was tested in English only, and its API refuses inputs over 4,096 tokens. [1]
    - **Length.** The API refuses inputs over 4,096 tokens (the training length); the fast path truncates at 2,048
    Hugging Face. Quoted text is outside CC BY 4.0 and keeps its original rights.
  • The release describes the model as a curation specialist, not a general decision model. [1]
    A specialist, not a general decision model |
    Hugging Face. Quoted text is outside CC BY 4.0 and keeps its original rights.

Sources

1
1
Hugging FaceOwner-controlled
https://huggingface.co/davanstrien/ultrabert-380m-curation Retrieved 2026-10-31 00:47 UTC
Verified

Versions

1
VersionEffectiveChangeChanged fieldsState
12026-10-31 00:47 UTCpublicationNoneCurrent

Open in the catalog

Original catalog content is licensed under CC BY 4.0, attributed to wowsuchai. Source quotations and linked content keep their original rights.