You asked about Machine Learning
23 people built something like it. 2 are gone.
That is 9% of the ones whose fate we could settle, against 23% across the whole register. 1 were acquired.
| Launched | What it was | Today |
|---|---|---|
| 2024-06-01 | YCFINNY AI The organic growth engine for financial advisors · finny.com | still up |
| 2024-09-01 | YCArchil The high-performance file system that connects AI to data · archil.com | still up |
| 2024-01-01 | Applied AI Data Research Lab Encoding Human Expertise into Machines… · useocular.com | still up |
| 2024-09-01 | YCMetreecs AI-powered demand forecasting for retail · metreecs.com | still up |
| 2024-06-01 | YCAnglera AI-Powered Product Data Enrichment · anglera.com | still up |
| 2024-06-01 | AI that operates quantum computers for scientific discovery · conductorquantum.com | still up |
| 2024-06-01 | The video context layer for AI. · cloudglue.dev | still up |
| 2024-09-01 | Pushing the boundaries of AI · zeroframe.ai | gone |
| 2024-09-01 | Extending AI to interact with the real world · usemoonshine.com | still up |
| 2024-06-01 | Open source AI copilot that knows your company's code and its context · storia.ai | still up |
| 2024-06-01 | YCSimplex AI agents to enroll providers with payors · simplex.sh | still up |
| 2024-09-01 | AI Co-Pilot for Design · supercontrast.com | gone |
| 2024-06-01 | An AI agent for scientific research · undermind.ai | still up |
| 2024-09-01 | AI tutors for students. · generallearning.com | still up |
| 2024-06-01 | YCSepal AI Data Development for Advanced AI · sepalai.com | acquired |
| 2024-06-01 | Capitol: the sovereign operating system for intelligence. · capitol.ai | still up |
| 2024-06-01 | Open-Source Reinforcement Learning (RL) & Fine-tuning for LLMs. · unsloth.ai | still up |
| 2024-06-01 | YCSimCare AI avatars to scale healthcare training. · simcare.ai | still up |
| 2024-06-01 | YCVideoGen Create professional videos in minutes with AI, online or via API · videogen.io | still up |
| 2024-01-01 | YCMathos Ultimate AI Math Problem Solver to Revolutionize Personalized Learning · info.mathos.ai | still up |
| 2024-09-01 | YCx1 AI app builder for creating and launching iPhone apps · x1.new | still up |
| 2024-09-01 | Desktop RPA with AI computer use · autocomputer.ai | still up |
| 2024-09-01 | YCISSEN AI realtime voice companion for language learning · issen.com | still up |
How this compares
The register re-probes every domain it holds. Some that answered last month stop answering. We send that list — what went quiet, and what it was — once a month. Nothing else.
How this was made. Show HN entries are every post from 2021 to 2023 with at least five points that linked to its own domain; code hosts and free hosting are excluded, because a repository outlives the effort behind it. Product Hunt entries needed 100 votes — a far higher bar, so they are the promoted top slice rather than a like-for-like sample. Both are judged by asking the domain whether it still answers: gone means it no longer resolves, refuses the connection, serves a parking page, or says plainly that it shut down. An HTTP error is not counted as gone — a server answering 404 is one somebody still pays for, and an audit of 25 gone-calls found two such sites alive with only a moved homepage. Y Combinator entries use the status YC publishes itself, which is why only those can say acquired. Squatted domains — a lapsed name now serving somebody else's site — are not detected, so these figures run slightly low.