Companies Editor's Picks Microsoft values its stake in OpenAI at $135 billion, a quarter of the new groupscarlettOctober 30, 2025October 30, 2025 by scarlettOctober 30, 2025October 30, 20250 Microsoft has disclosed that its stake in OpenAI is valued at $135 billion, which is roughly equivalent to about a quarter of the new OpenAI... Read more