https://www.cnet.com/news/google-vs-alexa-after-io-which-voice-assistant-is-best/

Google Assistant vs. Amazon's Alexa has been one of the more prominent battles in consumer tech over the past year. Alexa was first to the smart speaker game with the Amazon Echo, and had a sizable head start in features by the time Google launched its own Google Home two years later. Last year, Google closed the gap with key upgrades like voice recognition, and the two have gone back and forth ever since.

If you need to catch up, here's everything you need to know about Alexa, and our corresponding explainer for Google Assistant. Basically, they're both digital assistants that respond primarily to voice commands. You can ask either of them to search the web, play music, control your smart home devices and much more.