Microsoft’s Anthropic Bet Just Paid Off Bigger Than OpenAI During FY26 Q4

['Rishaj Upadhyay', 'News Editor', 'Rishaj Is A Tech Writer Who Has Been Writing Professionally For Over Four Years', 'With A Passion For Android', 'Windows', 'All Things Tech. He Initially Joined Windows Report As A Tech Journalist', "Is Now Taking Over As A News Editor. When He'S Not Breaking The Keyboard", 'You Can Find Him Cooking', 'Or Listening To Music Podcasts.'] Windows Report 2026-07-30 13:41:22

Microsoft’s latest earnings report wasn’t just about Azure, Windows, or AI revenue. Anthropic delivered one of Microsoft’s biggest quarterly gainsMicrosoft reported a $3.2 billion gain from its investment in Anthropic during the fourth quarter of fiscal 2026. That being said, Microsoft does not revalue its Anthropic investment every quarter. OpenAI followed a different path this quarterWhile Anthropic boosted Microsoft’s results, OpenAI moved the opposite way. Microsoft’s investment generated a $5 billion gain over the full fiscal year and contributed 67 cents to annual earnings per share.