Doubao

Releases

1. Jun 23

   Doubao Seed 2.1

2. May 6

   Doubao-Seed-2.0-lite

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.

2. May 6

   ByteDance's Doubao-Seed-2.0-lite

   The first omni-modal model in ByteDance's Doubao family natively understands audio, video, images, and text, takes up to 25 hours of audio input, and claims 19-language translation ahead of Gemini, with a lighter Doubao-Seed-2.0-mini for lower latency.