ByteDance split its model lab into 5 divisions.

ByteDance gave safety its own division, reportedly a first among frontier labs in China.

Divisions cover pretraining data, reinforcement learning, enterprise models, consumer chat models and alignment, all reporting to Wu Yonghui, formerly of Google DeepMind.

Huang Wenhao, who ran model evaluation, has left and may start a company, according to unnamed sources.

How each outlet framed it
TMTPost
foregrounds the Seed reorg as an industrialization story, mapping five departments and tying Huang Wenhao's exit to assembly-line specialization

Sources: TMTPost