Tomasz Tunguz · 17 September 2026 · Operating Insight

The Harness Margin Opportunity

Tomasz Tunguz, MD @ Theory

Berkeley research shows AI harnesses—the systems controlling agent workflows—determine pricing power: identical models cost 71% less on different platforms with no quality loss. Startups building efficient harnesses achieve 75% gross margins vs. 38% for those calling expensive models directly, creating defensible software businesses through customer understanding, evals, and optimization factories.

Read the full post on Tomasz Tunguz ↗

Topics: AI (Horizontal) · Enterprise Software · Fintech

Published by Tomasz Tunguz · their site ↗

More from Tomasz Tunguz

SandHill indexes 800+ venture capital blogs and newsletters and sends the best of them every Sunday. Browse the sources · browse by topic · read the blog.