IBM's Deep Blue used custom hardware. DeepMind's AlphaGo used Google Cloud Platform: http://googleresearch.blogspot.com/2016/01/alphago-mastering-ancient-game-o

IBM's Deep Blue used custom hardware. DeepMind's AlphaGo used Google Cloud Platform: http://googleresearch.blogspot.com/2016/01/alphago-mastering-ancient-game-of-go.html http://googleresearch.blogspot.com/2016/01/alphago-mastering... It still uses a lot of hardware, but not hardware built for the sole purpose of playing Go.