| 1. Claude Opus 5 (High) |
| 2. Claude Fable 5 (High) |
| 3. Claude Opus 5 (Max) |
| 4. GPT 5.6 Sol (xHigh) |
| 5. Kimi K3 (Max) |
The BriefMicrosoft is folding its two Copilot apps into one, and on Tuesday August 18 three features stop working: Podcasts, Group Chat, and Deep Research. Anything you made with them has to be downloaded before the switch or it goes away with the feature. The one that will sting is Deep Research, the tool that reads a lot of sources and writes you a report. It is being replaced by something called Researcher, and Researcher sits behind a paid Microsoft 365 subscription, so a job that was free yesterday now has a price. If you run Microsoft 365 for other people, today is the day to tell them, because tomorrow it is a support ticket instead of a heads up.
Level UpSpend fifteen minutes today on the one Copilot change that costs money. Open Microsoft's own page on Deep Research and read what moved into Researcher and what tier it now needs. Then do two things: export anything you or your clients still want out of Deep Research, Podcasts or Group Chat, and check which of your Microsoft 365 licenses actually include the replacement. That second check is the one people skip, and it is the one that turns into an angry call on Wednesday. Deep Research in Microsoft Copilot, and what replaces it