OpenAI was already in bed with MSFT when they started working on Codex/Copilot together a year or so back. So the synergies were already there when OpenAI neede

OpenAI was already in bed with MSFT when they started working on Codex/Copilot together a year or so back. So the synergies were already there when OpenAI needed to scale up ChatGPT for the masses using Azure infra