Toxicity-Lens
Copyright 2026 Abacus.AI

This model is a finetune of jhu-clsp/mmBERT-base, trained with the data listed in README.md section 7.

Perspective is a trademark of Google LLC. This project is not affiliated with or endorsed by Google or Jigsaw.

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jhu-clsp/mmBERT-base (Marone et al., 2025): MIT License, as declared on its model card (the repository publishes no copyright line).
Its tokenizer is Gemma 2's; see the Gemma Terms of Use, https://ai.google.dev/gemma/terms.

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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MLMA hate speech dataset (https://github.com/HKUST-KnowComp/MLMA_hate_speech): MIT License
Copyright (c) 2019 HKUST-KnowComp

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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This model contains information from FineWeb-2 (https://huggingface.co/datasets/HuggingFaceFW/fineweb-2), which is made available under the ODC Attribution License (https://opendatacommons.org/licenses/by/1-0/), and from HPLT 2.0 (https://huggingface.co/datasets/HPLT/HPLT2.0_cleaned), whose packaging is CC0 1.0.

AfriHate (https://huggingface.co/datasets/afrihate/afrihate), Muhammad et al., NAACL 2025: Apache 2.0 on Hugging Face, CC BY on GitHub. The authors ask that models built with it not be used for automated removal.

Civil Comments (google/civil_comments) and Horizon-Labs/civil-comments-multilingual: CC0 1.0. Qwen/Qwen3.8-27B-FP8, used to translate and label training data: Apache 2.0.

RealToxicityPrompts (https://huggingface.co/datasets/allenai/real-toxicity-prompts), Gehman et al., 2020: Apache 2.0. PolygloToxicityPrompts (https://huggingface.co/datasets/ToxicityPrompts/PolygloToxicityPrompts), Jain et al., 2024: CC BY 4.0 per its card metadata; its card text names the AI2 ImpACT License - Low Risk Artifacts. Both carry scores from the Perspective API (Google LLC).