TypingMind
Tony Dinh
Left Big Tech in Vietnam to build a solo portfolio making ~$45-83K a month.
TypingMind
Revenue
~$45K/mo
Solo, build in public
Audience
~130K followers on X
Launched
2023
Age at launch
~28-30
01Started from
Where it started
Big Tech engineer for 7 years in Vietnam, who quit his job in 2021.
- Tech level
- Experienced developer
- Starting money
- Not disclosed (savings)
- How it was built
- 100% solo and in public, inspired by Pieter Levels; TypingMind is built on the ChatGPT API.
- Funding
- None: bootstrapped.
- Tools
- ChatGPT APIweb toolsmacOS
02Journey
The journey
2021
Leaving the job
After 7 years as a Big Tech engineer, he quits to build his own products.
First products
DevUtils, Xnapper
He launches small web and macOS tools, sharing his progress and revenue in public.
2023
TypingMind
A better ChatGPT interface, used with your own API key. It hits #1 on Product Hunt for the day.
Feb. 2024
$45K a month
He publicly shares an average total revenue of $45K a month.
Late 2024
~$83K a month
The portfolio grows to ~$83K a month, still with no funding.
03Lessons
What you can take from it
- 01
Build on a tool people already use: TypingMind improves ChatGPT instead of replacing it.
- 02
A Product Hunt launch can give you your first wave of users.
- 03
Several small products add up: none of them has to be huge.
“My total average revenue per month is $45K.”
Figures come from public sources (press, the founders’ own posts) and are sometimes self-reported.
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