The current Deepseek V4 Pro is still just their initial preview AFAIK, with the "real" model release rumored to come later this month. GLM-5.2 might be outperforming simply because it's had more post-training on top of the GLM-5 base.

If the "final" release of Deepseek V4 Pro outperforms GLM-5.2 while maintaining the current Deepseek price, then it's going to be a marvel.