Microsoft announced in January 2023 the third phase of its multibillion-dollar partnership with OpenAI, committing additional specialized supercomputing investments and establishing Azure as OpenAI's exclusive cloud provider for all research, products, and API workloads. The announcement confirms Microsoft's role as primary infrastructure vendor for frontier model training and deployment, while OpenAI retains independent research capability and commercialization rights. This represents formalized structural dependence between a model developer and hyperscaler cloud provider, material for assessing whether frontier model economics concentrate compute procurement risk and how training capex is financed.
250 other tracked developments touching the same claims.