Where Enterprises Are Actually Adopting AI

• 29% of Fortune 500 and 19% of Global 2000 are live paying AI customers.
  • All signed top-down, converted pilots, went live — within 3 years of ChatGPT.
• Coding dominates enterprise AI revenue by an order of magnitude.
  • Cursor, Claude Code, Codex: 10-20x productivity gains reported by portfolio cos.
  • Ideal profile: text-dense, verifiable, tight feedback loops.
• Support and search are #2 and #3 in revenue momentum.
  • Decagon, Sierra (support); Glean, Harvey, OpenEvidence (search/legal).
• Legal moved fastest outside tech — Harvey at $200M ARR in 3 years, Eve at $1B valuation.
• Healthcare wins via discrete, bounded use cases: Abridge, Ambience, Tennr.
• Winning formula: rote tasks, verifiable outputs, natural human-in-loop, low regulation.

Kimberly Tan (a16z) · 2026-04-08 · Read on a16z.com