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---
license: other
license_name: ai2-impact-license-low-risk
license_link: https://allenai.org/impact-license
language:
- en
---
# tulu-2-dpo-13b-ExPO
The extrapolated (ExPO) model based on `allenai/tulu-2-dpo-13b` and `allenai/tulu-2-13b`, as in the "[Weak-to-Strong Extrapolation Expedites Alignment](https://arxiv.org/abs/2404.16792)" paper.
Specifically, we obtain this model by extrapolating from the weights of the SFT and DPO/RLHF checkpoints, achieving superior alignment with human preference. |