Microsoft Launches Free Copilot AI App for Android
- Microsoft quietly releases new Copilot AI chatbot app for Android
- App provides sophisticated text and image generation powered by GPT-4, DALL-E 3, and GPT-Vision
- Offers advanced AI features for free, unlike ChatGPT Plus subscription model
- Absence of iOS app has not deterred speculation of imminent release
- Launch comes as virtual assistants face new competition from diversifying AI offerings