Cerebras, which makes "wafer-scale" AI chips with 2.6T transistors, raises a $250M Series F at a $4B valuation, bringing its total funding to $720M (Dr. Ian Cutress/AnandTech)

Dr. Ian Cutress / AnandTech:
Cerebras, which makes “wafer-scale” AI chips with 2.6T transistors, raises a $250M Series F at a $4B valuation, bringing its total funding to $720M  —  Every once in a while, a startup comes along with something out of left field.  In the AI hardware generation, Cerebras holds that title, with their Wafer Scale Engine.

source http://www.techmeme.com/211110/p32#a211110p32