PETER GALLOWAY
№ 11 / 14 Build vs Buy May 24, 2026
An Analogy

Don't Brew Your Own Beer

Why almost no company should train its own foundation model — and what to spend that money on instead

3 min
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The Setup

Almost nobody should brew their own beer.

The big breweries are better, cheaper, and consistent. Same for foundation models. Buy the frontier. Build the edge. Your moat is your data, workflows, and judgment — not a behind-the-frontier model you spent $20M to ship.

By the numbers 125

Claude settings

shipped by Anthropic. Public docs cover 40. The configuration surface is the product.

The Sam Adams of foundation models is a phone call away. Use it.
Peter Galloway

On the wire

Three pieces from the last 30 days that reinforce this analogy. Forward to the executive who's still calling it hype.

Model ChoiceBuild vs BuyStrategyFoundation Models
For Executive Teams

Run this analogy in your next leadership meeting.

The catalog is free. The live session is where Don't Brew Your Own Beer gets applied to your specific stuck conversation — built for boards, ELTs, and founder-CEO 1:1s. Half-day, $7,500.