Franceschi: AI Coding Harnesses Reached the Tipping Point in December
Pedro Franceschi · The Most AI-Pilled CEO We Know · Y Combinator · Jun 10, 2026 · at 3:50
Brex co-founder and CEO Pedro Franceschi discusses the timeline of LLM utility with Garry Tan, arguing that agentic coding harnesses only recently crossed the threshold of real usefulness.
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“And the way I describe it to my team is like, you know, electricity was invented in December. And I think electricity was Opus 4.5 and sure Opus models and, you know, open AI models got, got better and better since then. But, To me, that was the tip of the spear where you could say, yes, like coding harnesses actually work and, you know, cloud code existed for probably a year before but it wasn't that, that valuable yet.”
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