The latest ByteDance Seed model is behind Opus 4.6 in performance. It’s not even in the conversation atm.
The parent made a totally coherent commment that China closing off their open weight models would cede the frontier (and majority of AI users worldwide) to the USA. Nothing you said counters that point.
Bytedance models completely pervade business use across China. It is the OpenAI of China, whether you think its a good model or not.