Three Highest-Valued Private AI Companies Globally

Anthropic, OpenAI, and xAI are currently the highest-valued private AI companies, with valuations reaching hundreds of billions of dollars, leading a roughly $2.37 trillion private AI market.

Sources

• The 10 Highest-Valued Private AI Companies in 2026: From Anthropic's $965B to Physical Intelligence's $11B
• Ranked: The World's Most Valuable Unicorns in 2026 - Visual Capitalist
• The Top 10 Private AI Companies Are Now Worth More Than Every Public SaaS Company Combined - SaaStr
• From OpenAI to Figure AI, Artificial Intelligence Dominates the World's Most Valuable Startups - Pure AI
• The Full List of 308 Artificial Intelligence Unicorn Startups (2026) - Failory
• Top 10 most valuable private AI startup : r/tech_x - Reddit

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