From the source
OpenAI launched dots, persistent agents that run 24/7 on cloud computers within ChatGPT, powered by GPT-6 Astra.
The first dot is included with Pro and Business Premium plans, with beta access for Enterprise, Edu, and Healthcare workspaces.
OpenAI also introduced GPT-6.1 Sol at reduced pricing and the Decisions API with GPT-6 Luna in limited preview.