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![mark_k Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::8721292.png) Mark Kretschmann [@mark_k](/creator/twitter/mark_k) on x 10.5K followers
Created: 2025-07-25 05:08:59 UTC

GPT-5 spotted in Microsoft Copilot!

@testingcatalog uncovered it:



![](https://pbs.twimg.com/amplify_video_thumb/1948521774691266560/img/-84_Bk28fS7W97IS.jpg)

XXXXX engagements

![Engagements Line Chart](https://lunarcrush.com/gi/w:600/p:tweet::1948611415473828347/c:line.svg)

**Related Topics**
[microsoft](/topic/microsoft)
[stocks technology](/topic/stocks-technology)

[Post Link](https://x.com/mark_k/status/1948611415473828347)