active·R&D and entrepreneurshipMicrosoft invested $1 billion in OpenAI in 2019, betting on AI's future06 Sept 2026·1 event·1 sourceFollowHow events unfoldedFrom the beginning to today06/09/2026, 16:00Microsoft invested $1 billion in OpenAI in 2019, betting on AI's future1 source →1 of 1 eventsStoryline coverage1 source · 1/7