Doubao Seed 2.1

Trends

• Chinese labs take the lead in open-weight models

Items

1. Jun 23

   ByteDance's Doubao Seed 2.1

   A closed flagship agent-and-coding family (Pro and Turbo) launched at Volcano Engine FORCE, which ByteDance's own benchmarks place at the GPT-5.5 and Claude Opus 4.6 tier on coding, agent, and multimodal tasks, positioned as a markedly cheaper enterprise option.