A 17-year veteran of Amazon, Torben Severson announced on LinkedIn that he had left the mega-retailer to join OpenAI.

Over the last several months, OpenAI migrated away from a heavy reliance on Microsoft Azure. The ChatGPT maker previously signed large-scale deals with Google Cloud and Oracle's cloud infrastructure.

OpenAI has gone wild with compute deals this year, committing to spend far more than its balance sheet can currently sustain. So who takes the fall if it can’t pay? It won’t be Altman. Over the last ...

From psychedelics to Rachmaninoff, here's how Sam Altman sees the world— and what it means for our future.