Apr 27, 2026 OpenAI and Microsoft amend partnership
OpenAI and Microsoft announced the next phase of their partnership with amended commercial terms.
OpenAI — — OpenAI Feb 27, 2026 OpenAI and Amazon announce strategic partnership
OpenAI and Amazon announced a strategic partnership spanning investment, AWS compute, and distribution of OpenAI models and products.
OpenAI — — OpenAI Nov 3, 2025 OpenAI and AWS announce strategic partnership
OpenAI and AWS announced a multi-year strategic partnership under which OpenAI would access AWS compute infrastructure.
OpenAI — — OpenAI Sep 23, 2025 Five new Stargate sites announced
OpenAI, Oracle, and SoftBank announced five new US Stargate data-center sites, moving planned capacity toward nearly 7 gigawatts.
OpenAI — — OpenAI Sep 22, 2025 OpenAI signs NVIDIA systems partnership
OpenAI and NVIDIA announced a strategic partnership to deploy at least 10 gigawatts of NVIDIA systems for OpenAI infrastructure.
OpenAI — — OpenAI Jan 21, 2025 The Stargate Project announced
OpenAI, SoftBank, Oracle, and MGX announced Stargate, a new company intended to invest $500 billion in US AI infrastructure over four years.
OpenAI — — OpenAI Jun 10, 2024 OpenAI and Apple announce partnership
OpenAI and Apple announced integration of ChatGPT into iOS, iPadOS, and macOS experiences.
OpenAI — — OpenAI Nov 29, 2023 Sam Altman returns as CEO and new initial board formed
OpenAI announced Sam Altman's return as CEO and an initial board chaired by Bret Taylor.
OpenAI — — OpenAI Nov 17, 2023 Sam Altman removed as CEO
OpenAI's board announced that Sam Altman would depart as CEO and Mira Murati would serve as interim CEO.
OpenAI — — OpenAI Jan 23, 2023 OpenAI and Microsoft extend partnership
OpenAI and Microsoft announced a multiyear, multibillion-dollar extension of their partnership, including Azure supercomputing investment and exclusive cloud-provider status.
OpenAI — — OpenAI 
OpenAI