OpenAI CEO Sam Altman has warned that users of the company's newly released GPT-5.6 Sol model may encounter problems as demand for the flagship system puts pressure on OpenAI's infrastructure.
The warning came less than a week after OpenAI made Sol broadly available through ChatGPT, Codex and its developer platform. The model sits at the top of the company's new GPT-5.6 family and is designed to handle complex reasoning, coding and multistep tasks.