a16z’s Martin Casado: It’s not that hard to build AI models
Martin Casado just said what everyone's thinking: the moat isn't the model anymore.

Why it matters
a16z's Casado argues model-building has been democratized while capital efficiency becomes the real competitive advantage—and warns big players' funding arbitrage window is closing fast.
The key facts
4 to knowMartin Casado (a16z) claims building AI models is no longer a structural barrier
Recent AI progress characterized as industrial revolution-scale event
Big players' ability to raise 'cheap money' flagged as time-limited advantage
Implies shift in competitive moat from model capability to capital efficiency and deployment
Go to the source
Financial Times Technologyft.com
Publisher excerpt: The technologist and investor argues recent progress in AI is an industrial revolution-scale event but warns the ability of the bigger players to raise ‘cheap money’ is time-limited