OpenAI is reportedly building Astra, a model family designed to work on problems for hours or days

OpenAI is building a new model family called Astra that enables multiple AI agents to collaborate on complex problems for hours or days, according to The Decoder. CEO Sam Altman has demoed Astra to policymakers in Washington, and OpenAI has not decided whether to release it as GPT-6 or a new GPT-5 variant.