Deepseek. 2 notes.

From DeepSeek’s paper: Post-Training PipelineIn this release, we refrain from introducing novel post-training algorithms. The overall recipe follows the standard paradigm of supervised fine-tuning (SFT) followed by reinforcement learning (RL) and on-policy distillation (OPD) [Gu et al., 2024; Lu and Lall, 2025]…

After launching V4 Flash and V4 Pro, DeepSeek was running a limited-period 75% discount on both models until May 30. Today, it announced that the discount is now permanent. The current pricing is kind of ridiculous. On the official “DeepSeek API pricing page” ( DeepSeek V4 Flash is priced at $0.0028 per million input…