AI Assistant Showdown: ChatGPT vs Siri vs Alexa – Inside the 2025 Personal AI Revolution
Siri debuted in 2011 on the iPhone 4S as the first widely used voice assistant. Alexa launched in 2014 with the Echo, popularizing voice-controlled smart home devices. ChatGPT, built on GPT-4, launched in late 2022 and reached 100 million users by January 2023. Google