Microsoft CEO Satya Nadella says "every model is substitutable." Here's what the AI strategy shift means for OpenAI and Microsoft's Azure platform.

The memo cited "important progress in key areas" like Azure and Microsoft 365 Copilot. These businesses have faced pressure amid generative AI boom.

Microsoft pitched its own homegrown AI models, harnesses, and even a Mythos competitor on Wednesday, telling Wall Street it plans for continued growth.