a16z's Anish Acharya: AI Moats Are Discovered, Not Designed — Cursor Proves It
illscience · x · 2026-09-16
- a16z GP Anish Acharya, on Lenny Rachitsky's podcast, argues:
- Moats are discovered, not designed: citing Decagon's Jesse Zhang, teams that just ship develop moats over time. Cursor was mocked for having no moat, yet being a high-NPS, high-DAU product let it capture all reasoning traces and eventually train its own models.
- The "permanent underclass" is a dark fantasy: radiologists have been "cooked" for 20 years yet demand keeps rising; open engineering roles are at all-time highs.
- Unlike mobile's winner-take-all markets, every layer of the AI stack has 20 strong competitors.
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