The deployment is still in beta, but customers of Google’s cloud computing service can now use the company’s dedicated AI processing hardware for their own machine learning developments.
You quoted the wrong article. This (http://www.tomshardware.com/news/tpu-v2-google-machine-learning,35370.html) dives into considerably more depth, revealing that each TPU2 only delivers 45 TFLOPS. However, they can be arranged in quad-processor configurations, with each board providing 180 TFLOPS.
Access to Cloud TPUs start at the price of $6.5 / Cloud TPU / hour