The artificial-intelligence giant also relies on services from Microsoft, Oracle, and CoreWeave. The deal with Google, finalized in May after months of discussions, was first reported by Reuters citing a source in June. The arrangement underscores how massive computing demands to train and deploy AI models are reshaping the competitive dynamics in AI, and marks OpenAI’s latest move to diversify its compute sources beyond its major supporter Microsoft, including its high-profile Stargate data center project.