Supabase says an open-source Firebase fix turned into a $10B devtool company
Y Combinator · youtube · 2026-07-23
Supabase CEO says an open-source side project became a $10B devtool company
In a Startup School Paris conversation, Paul Copplestone explains how Supabase started as a painful Firebase migration fix, then evolved into one of the fastest-growing developer tool companies in the world.
The interview covers several milestones:
- two failed startups before Supabase;
- choosing Postgres and open source;
- targeting YC startups early;
- cutting time-to-value from 8 minutes to 5 seconds;
- AI giving the company a second growth wave;
- the company serving platforms and agents as users;
- a team of 360 people in 60 countries with zero offices;
- a $500M round at a $10B valuation.
The broader message is that open source became a strategic advantage in the LLM era, especially for dev tools.
Related event: Supabase Says AI Agents Made It Backend for Millions(2 posts)→
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