Pieter Levels Overview
Pieter Levels is a solo entrepreneur who builds bootstrapped internet startups without funding and codes them himself.[1] He has shared what he learns in blog posts since 2013.[1]
What Pieter Built
Photo AI
ActiveFounder · AI photo generator
AI image and video generator. The app is a single index.php of about 40,870 lines.
fly.pieter.com
ActiveFounder · Browser game · Launched Feb 2025
Vibe-coded browser flight simulator and one of the first vibe-coded games to go viral.
How Pieter Builds
His products run on deliberately plain stacks: Photo AI is one index.php file of about 40,870 lines.[2] Since mid-2025 he has done almost all of his coding through
Claude Code, running it over SSH on his VPS instead of on his laptop.[3]
I've been coding almost solely on my VPS with Claude Code for almost a year now
By May 2026 he wrote that he had not written code by hand in about six months.[4]
Business Model
He publishes his revenue himself; the figures below are founder-reported and dated.
fly.pieter.com was vibe coded and launched in February 2025, then went viral.[5]
Timeline
Lessons
Further Reading
Sources
- [1]@levelsio (Pieter Levels) · levels.io
- [2]Photoai.com is a 40,870 line index.php making 105,000/mo revenue and 80,000/mo profit · levels.io · Mar 6, 2026
- [3]Coding on vps with claude code for a year · levels.io · Jun 28, 2026
- [4]I don't write code anymore · levels.io · May 23, 2026
- [5]fly.pieter.com, my first vibecoded flight simulator which reached $1M ARR in 17 days · levels.io · Feb 22, 2025