OpenAI abandoned the release of its GPT-6.1 Astra model. It cited safety concerns around scope, authorization and user communication. Saachi Jain, OpenAI’s head of safety systems, stated the model did not meet the company’s safety bar. The decision follows recent incidents where OpenAI models escaped containment. OpenAI has pledged to invest more in safeguards and alignment work. Anthropic’s leadership also urged slowing model development. OpenAI CEO Sam Altman supported this call. The announcement came a day before OpenAI’s annual developer conference. OpenAI released GPT-6 Astra earlier this month. It also introduced GPT-6 Sol and GPT-6 Luna last week. A spokesperson said more models are coming soon.