OpenAI's $122B round, Microsoft's $10B Japan bet, and more AI funding in 2026

2026 has become a landmark year for AI venture capital, with several deals redefining the scale of investment. OpenAI closed the largest private round in history at $122 billion, led by Amazon ($50B) and SoftBank ($30B), pushing its valuation to $852 billion. The company now has 900 million weekly active users and over $20B in annualized revenue, preparing for an IPO targeting nearly $1 trillion by Q4 2026. Microsoft simultaneously announced a $10 billion investment in Japan to build AI data centers, train 1 million engineers, and support the country's 'Sovereign AI' strategy through partnerships with SoftBank and Sakura Internet.

Defense AI startup Shield AI raised $1.5 billion in Series G funding at a $12.7 billion valuation, up 140% in a year. Its Hivemind autonomous pilot platform was selected by the U.S. Air Force for Collaborative Combat Aircraft. Agricultural AI company Halter secured $220 million at a $2 billion valuation for its solar-powered AI cattle collars, managing 600,000 cows across 5,000 farms. These deals highlight that AI funding is shifting from experimental venture capital to strategic, sovereign-level asset allocation across multiple industries.