TL;DR? Hear the news as an AI-generated audio overview made using 365 Copilot. You can read the transcript here. We’ve entered the era of AI agents. Thanks to groundbreaking advancements in reasoning and memory,

Copilot is likely to be a headliner at Build, and big changes to it could be on the way. Microsoft is reportedly testing alternative AI models from xAI, Meta, Anthropic, and DeepSeek as possible replacements for OpenAI technology in Copilot as the relationship between Microsoft and OpenAI becomes strained.