Helium: Product, team and how it was built

Started small, grew after funding · sold 11 months after launch

Its founders wrote some of the methods that the industry already used to run models cheaply, such as AWQ for 4-bit weights. They turned that research into a paid serving API. They proved the speed on a public benchmark and partnered with a cloud company that needed exactly that speed. Eleven months after its first public post, the partner agreed to buy it.

Started small, grew after funding · sold 37 months after launch

It aimed at regulated enterprises that needed AI agents on their own servers, with audit logs. The company said in 2025 that hundreds of organizations used it. Asana bought it in May 2026. Asana's quarterly report states the price.

Solo founder · 2 months after launch, revenue flat

AI coding agents can build a working page or deck, but in the founder's words their visual output often looks generic. Skillry sells finished visual styles, one task per Skill, shows real output before the sale, and adds new Skills almost every day under one subscription. When sales began on 28 September 2026, they held at about US$430 a day for 17 days.

Solo founder · 12 months after launch, revenue falling

It launched in October 2025. By then, Anthropic's Claude Code had made skills, slash commands and subagents a normal way to steer a coding agent. Most developers were still writing their own. A founder who presents themself as a CTO with 18 years of experience sold a tested set as a one-time purchase with a money-back promise. Verified revenue reached US$16,040 in March 2026 and US$82,195 in total, but it fell to under US$2,000 a month by September 2026.

Solo founder · 4 months after launch, revenue falling

Said over US$36K in a monthRecords US$39.6K by end of JulyHeld

It turned a new working habit into a native Mac app. The habit was running several AI coding agents at the same time. The app had voice control and a strong visual style, and it charged once instead of every month. The founder sold it to his own audience through daily live streams, X and a Discord community. Stripe recorded more than three quarters of the revenue in the first seven weeks.

Solo founder · 6 months after launch, revenue growing

The compression engine already existed as a free, open-source Python tool, but it was hard to install. Garm Lucassen packaged it into a desktop app. The app installs with a double click, connects the coding agents by itself, and removes its changes when it quits. The engine's creator suggested that he build it and keep the Headroom name. Developers who hit the usage limits of their AI plans pay a small monthly price to make those limits last longer.

Team of 2 to 10 · 39 months after launch

The founders gave away the testing package first and sold the cloud platform to the teams that already used it. The package was created on GitHub in August 2023. The cloud platform has a free plan and self-serve paid plans of US$200 and US$2,000 a month, as listed by the company.

Team of 2 to 10 · 14 months after launch, revenue growing

Johnny Siu had led tenancy services at Goodlord, a UK rental software company, and saw property teams spend their days on the same messages. Antler's partner wrote in October 2024 that 87% of tasks in the industry are repetitive and low-skill. Tenants already wrote on WhatsApp. So an AI that answers there, inside the operator's own policies, saves staff time without asking the operator to change systems.

Solo founder · 37 months after launch, revenue growing

It launched the obvious application of a new model within weeks, with a pricing page on the first day. The founder built the parts around the model instead of a model, so every model upgrade improved the product for free. Then it moved from a consumer toy to business customers who stay.

Solo founder · 9 months after launch, revenue growing

Founders and small B2B teams know their subject. They do not have time to write for every social network. Generic AI writing does not sound like them. CaptureFlow starts from material the person already produces, a call, a voice note, a recorded talk, and reshapes it into native posts in their voice. TrustMRR, reading the company's Stripe account, shows US$4,182 of monthly recurring revenue from 9 subscriptions. It shows US$28,071 of revenue in total on 27 October 2026. Monthly revenue grew every month of 2026.

Solo founder · 33 months after launch, revenue falling

The app costs almost nothing to run: the owner reports a profit margin of 99%. The App Store page shows no new version since July 2025. A small, steady flow of downloads, about 2,500 in 28 days in October 2026, keeps about 150 paid subscriptions alive. The owner is an experienced app marketer who already sells more than a dozen other apps from the same developer account.

Solo founder · 4 months after launch, revenue falling

The founder turned the go-to-market frameworks she uses as an advisor into a product with one job and one price. It is a small, early business. Stripe data shows US$500 of revenue in its first four months and two active subscriptions in November 2026. The founder has listed it for sale.

Team of 2 to 10 · 11 months after launch, revenue flat

The site ties a cruise chat product to a creator with a social audience. It says the tool is led by her experience of living, working and travelling at sea. The first verified payment came in January 2026, the month after the start date on TrustMRR.

Solo founder · sold 28 months after launch

One researcher had led AI-guided optics design at Alphabet and Meta. He put the tooling of that field into the open, with a shared benchmark that anyone could run. Apple, which designs cameras, displays, sensors and lidar parts, bought the assets and hired him. The buyer's filing with the European Commission is the only hard document; it gives no price.