🪦 Dead
Microsoft Cortana
Product killed · Replaced by AI · shut down December 31, 2023
- Born
- Died
- Lifespan
- 9y 9m
- Cause of death
- Replaced by AI
- Killed by
- Microsoft Copilot
- Type
- App
Microsoft's Siri competitor and virtual assistant, named after the Halo AI character. After years of declining relevance against Alexa and Siri, Cortana was killed in Windows and mobile as Microsoft pivoted fully to Copilot and GPT-powered assistants.