Post-training

From SFT and RL to On-Policy Distillation: A Third Paradigm for Post-Training
Starting from the limitations of SFT and GRPO, why OPD became the common choice of Qwen3, DeepSeek-V4, MiMo-V2-Flash, Kimi K3 and GLM-5
Aug 11, 2026 35 min read Deep Dive
Zhihu
From SFT and RL to On-Policy Distillation: A Third Paradigm for Post-Training