TypingMind: a chat front-end for LLMs earning a reported $130–160k a month
TypingMind is a chat front-end for large language models that became one solo founder's path to financial independence, with a self-reported $130–160k a month via the founder's newsletter. It earned money on the same day its MVP launched in March 2023, and its main channel is X. The lesson is product quality plus B2B upsell, not 'build a wrapper' — that window has closed. The figure is self-reported, not processor-verified.