How Lovable Went From Side Project to a $13B Company in 3 Years

How does an open-source side project become a $13 billion company in 3 years? I spent over 100 hours going through Lovable's posts, podcasts, ads and archives to find out where its users actually came from. The Lovable Playbook - a free 5-page summary + a massive AI file with every source Access it here: https://itswillgreen.com/ 0:00 Opening 1:03 Building 15:13 Launching 43:39 Growing Key sources: 29 Apr 2023 · The gpt-engineer repo on GitHub: https://github.com/AntonOsika/gpt-eng... 10 Jun 2023 · Anton launches gpt-engineer on X: https://x.com/antonosika/status/16676... 21 Nov 2024 · The relaunch as Lovable: https://news.ycombinator.com/item?id=... 21 Dec 2024 · Anton's "this is how we did it" thread: https://x.com/antonosika/status/18705... 26 Jan 2025 · Anton, two months after launch: https://x.com/antonosika/status/18836... 17 Jul 2025 · Lovable's Series A ($1.8B valuation): https://lovable.dev/blog/200m-series-... 18 Dec 2025 · Lovable's Series B ($6.6B valuation): https://lovable.dev/blog/series-b 12 Aug 2026 · Lovable's Series C ($13.3B valuation): https://lovable.dev/blog/series-c Full source list in the Playbook. Business enquiries: contact.itswillgreen@gmail.com