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Product	Google Home	Amazon Echo
Price	$130	$180
Partnerships	nest, Pilips Hue Lighting, SmartThings, IFTTT Applets	nest thermostats, Pilips Hue Lighting, SmartThings, IFTTT Applets, Ecobee Thermostat, Wink hub, Insteon, Belkin WeMo, Lifx lights, Control4 hub, Big Ass Fans, other devices via "skills"
Highlights	Search Google, get a personalized daily briefing, check traffic, check your calendar, make a shopping list, check flight status, track a package	Add items to calendar, make a shopping list, make a to do list, check flight status, track a package
Other	Cast to your TV wich Chromecast or Sterio with Chromecast Audio	Order a pizza, play a game, arrange an Uber pickup. Echo has an ever-growing list of 900+ skills and counting

Links:
Google Home vs. Amazon Echo: Alexa takes round 1 - CNET
Home Automation and Smart Home Systems | Control4