ByteDance is secretly developing multiple products in the AI large model field. A closed team for the video editing tool, Jianying, was established months ago to secretly develop AI products. ByteDance has made significant progress in the research and development of AI large model-related products. Jianying is a video creation tool, situated upstream in content creation, venturing into AI, specifically text-to-video.

Together AI announced that it has raised 730 million yuan in Series A funding, led by K2 Global, with participation from several companies including Nvidia. The company emphasizes open source in the large model field and has released highly praised open source products, including RedPajama-INCITE, RedPajama-Data-v2, and FlashAttention v2. The FlashAttention v2 developed by Dr. Tri Dao, the company's chief scientist, has seen widespread application, improving training and fine-tuning.