Verified90% confidenceFactTime unknown
RLHF流程包含三步:训练奖励模型预测人类偏好分数、用PPO强化学习算法调整语言模型参数、通过KL散度约束防止模型偏离原有语言能力
43
Sources
90%
Confidence
Long-term
Relevance
6/1/2026
First Seen
Sources
AI训练的三个阶段:预训练、后训练与对齐详解
bilibiliYouni讲AI
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