Anthropic PBC has struck a deal worth $9.1 billion with cloud computing company Riot Platforms, according to informed sources, in a move that underscores the scramble for large-scale computing capacity as AI companies expand. Riot recently said it signed a 20-year agreement with a business to supply 191 megawatts of computing power from its facility in Rockdale, Texas, highlighting how long-dated infrastructure contracts are being used to secure the electricity and hardware needed to meet customer demand.