Category
AI tools case studies
5 sourced case studies in AI tools. Every number links inline to the page it came from; self-reported figures are labelled as such.
- TypingMind: a weekend ChatGPT front-end that grew past $1M a year
- HeadshotPro: AI headshots, $10M+ in revenue, with affiliates as a growth engine
- Photo AI: Pieter Levels' AI photo studio built on plain PHP and jQuery
- Interior AI: built in 5 days, later reported at ~$45K MRR with >99% margins
- Formula Bot: a weekend no-code app, one Reddit post, and a $4–5K API bill
TypingMind: a weekend ChatGPT front-end that grew past $1M a year
How Tony Dinh turned a better UI for the ChatGPT API into a $1M+/year product, starting with one-time licenses and adding team subscriptions later.
HeadshotPro: AI headshots, $10M+ in revenue, with affiliates as a growth engine
Danny Postma launched HeadshotPro in 2023 and grew it into an AI headshot studio with $10M+ lifetime revenue. Affiliates bring in $50K+ a month.
Photo AI: Pieter Levels' AI photo studio built on plain PHP and jQuery
How Photo AI went from launch in February 2023 to $61,808 per month by July, with a tech stack most developers would call outdated.
Interior AI: built in 5 days, later reported at ~$45K MRR with >99% margins
Pieter Levels built Interior AI in five days in 2022. In 2024 he reported about $45,000 MRR and around $250 in monthly costs. Here is what that teaches, and what the skeptics said.
Formula Bot: a weekend no-code app, one Reddit post, and a $4–5K API bill
David Bressler built Excel Formula Bot in Bubble over a weekend. A Reddit post brought 100,000 visitors overnight and a surprise OpenAI bill before pricing was in place.