Who Owns the Failure? Building a Support RACI for a Multivendor Private AI Platform

TL;DR A multivendor private AI platform is not operationally complete when the hardware is installed, the GPUs are visible, and the first model endpoint responds. It is complete when the organization knows who performs the first diagnostic action when any part of the stack fails. The customer should retain one accountable service owner and one incident commander. Individual platform teams own firs