Better Chat UI for LLMs (One-Time + Teams)

Sell a polished chat frontend for many LLM providers with one-time licenses plus B2B team plans.

In plain English

Tony Dinh sells TypingMind, a polished chat screen that works with many AI providers. Someone can buy it once, and a team can pay a shared plan, bringing their own access to the AI rather than paying TypingMind for the AI itself. The screen is meant to feel faster and more capable than the plain chat each provider includes, with room for projects and team controls. The chat features, the license checks, and payment collection run mostly on their own. Tony still polishes the product, spreads the word, and helps customers.

Automation80%

Startup costNot disclosed

Time to first $Same day as MVP (Mar 6 2023, founder-reported)

Monthly range*$160,000 Up to

~$130–160K/mo (founder newsletter Oct 2025; self-reported)

DifficultyHard

SourceTony Dinh newsletter - Oct 2025 Updates ↗

Operator: Tony Dinh

Operator-Reported

A named, real operator ran this and shared results publicly. The figures are their own.

Not disclosed.

The tool stack

OpenAI API ↗

User pays providers (BYOK)

Model backends

Stripe ↗

2.9% + $0.30

Billing

Cursor ↗

Free tier; Pro $20/mo

AI-assisted coding

Prices are the vendors' published list prices as researched in Oct 2026 and change often — always check the vendor's pricing page.

Step-by-step setup

Ship a faster, more powerful chat UI than the vendor defaults.
BYOK so your COGS stay low; charge for the client.
Offer one-time license plus Team subscriptions.
Grow via X/build-in-public and SEO.
Add plugins, projects and team admin for B2B.

What's automated vs. the human 20%

The machine does

Chat client features
License checks
Billing

You still do

Product polish
Distribution
Support

Overview

Sell a polished chat frontend for many LLM providers with one-time licenses plus B2B team plans. Operator: Tony Dinh (TypingMind). Distinct from BoltAI-style native Mac clients already on PrintCash.

Realistic income

Founder newsletter (Oct 2025): about $130–160K per month, with B2B Team recurring over half of revenue; Dec 2025 called a $210K+ month in secondary summaries. Self-reported, not TrustMRR Stripe-verified. This is one operator’s result and doesn’t predict yours.

Risks

Vendor web apps keep improving for free.
One-time license revenue can stall without Teams.
BYOK users still leave if UX falls behind.

*Income figures are illustrative ranges based on public pricing and typical outcomes reported by practitioners, not guarantees. Most new online businesses earn little or nothing at first. Not financial, legal or tax advice.