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This model is similar to longformer-base-4096 but it was pretrained to preserve RoBERTa weights by freezing all RoBERTa weights and only train the additional position embeddings.


If you use Longformer in your research, please cite Longformer: The Long-Document Transformer.

  title={Longformer: The Long-Document Transformer},
  author={Iz Beltagy and Matthew E. Peters and Arman Cohan},

Longformer is an open-source project developed by the Allen Institute for Artificial Intelligence (AI2). AI2 is a non-profit institute with the mission to contribute to humanity through high-impact AI research and engineering.

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