Microsoft engineers are currently readying server capacity for OpenAI’s upcoming GPT-4.5 and GPT-5 models, according to a source familiar with the company’s plans. While OpenAI CEO Sam Altman acknowledged recently that GPT-4.5 will launch within a matter of weeks, I understand that Microsoft is expecting to host the new AI model as early as next week.
Codenamed Orion, GPT-4.5 is OpenAI’s next frontier model and the company’s last non-chain-of-thought model. OpenAI has already teased…
