Top Tech Companies by AI R&D Investment

Alphabet, Microsoft, and Amazon are consistently among the highest global spenders in AI research and development, with Amazon projected to be the single largest AI infrastructure spender in 2026.

Sources

• Which big tech company has spent the most in AI? - New Market Pitch
• $725B on AI — Where Big Tech Is Spending in 2026 - Value Add VC
• Top TechCos with AI Platforms Spend the Most on R&D but Don't Generate the best or clearest ROI - IP CloseUp
• Top 100 R&D Spenders - Originality.AI

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