direct preference optimization

Lately, Large Language Models (LLMs) have significantly redefined the sphere of artificial intelligence (AI), enabling machines to know and generate human-like text with remarkable proficiency. This success is basically attributed to advancements in machine...

import torch import torch.nn.functional as F class DPOTrainer: def __init__(self, model, ref_model, beta=0.1, lr=1e-5): self.model = model self.ref_model =...