You asked about Data Science
25 people built something like it. 2 are gone.
That is 8% 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 | YCMica AI Replace the humans fixing bad data · usemica.com | still up |
| 2024-01-01 | Accelerate Medication Access with AI · runtrellis.com | still up |
| 2024-06-01 | YCSepal AI Data Development for Advanced AI · sepalai.com | acquired |
| 2024-06-01 | YCEntangl Find & resolve issues in data center engineering & operations using AI · entangl.com | still up |
| 2024-01-01 | ProSights is a data / AI transformation partner to PE-backed portcos. · prosights.co | still up |
| 2024-06-01 | YCZeit AI The autonomous data engineer for the mid-market · zeit-ai.com | still up |
| 2024-09-01 | YCArchil The high-performance file system that connects AI to data · archil.com | still up |
| 2024-06-01 | YCDavid AI Data for audio AI · withdavid.ai | still up |
| 2024-01-01 | Applied AI Data Research Lab Encoding Human Expertise into Machines… · useocular.com | still up |
| 2024-06-01 | YCUnbound Use AI tools without fear of data leakage · getunbound.ai | still up |
| 2024-06-01 | YCAnglera AI-Powered Product Data Enrichment · anglera.com | still up |
| 2024-06-01 | YCDataleap AI Employees for the Enterprise · dataleap.ai | still up |
| 2024-01-01 | Deploy trustworthy data agent that know your business · upsolve.ai | still up |
| 2024-01-01 | YCLantern Postgres vector database extension to build AI applications · lantern.dev | gone |
| 2024-09-01 | AI for life sciences documents · raycaster.ai | still up |
| 2024-06-01 | YCAluna Data for biomedical AI · alunadata.com | still up |
| 2024-06-01 | YCElevate Automated AI data integrations for roll-ups · useelevate.dev | still up |
| 2024-01-01 | YCkater.ai Deliver complete data analysis from a single question · kater.ai | still up |
| 2024-01-01 | Conversational AI surveys with intelligent follow-up questions · getaftercare.com | still up |
| 2024-09-01 | YCMelder AI formulas and document support for Microsoft Excel · melder.io | still up |
| 2024-09-01 | AI Data Center Design · archilabs.ai | still up |
| 2024-09-01 | Build full-stack applications for business operations with AI · vortexify.ai | still up |
| 2024-06-01 | AI document creation and data management for clinical trials · baselinetrials.com | gone |
| 2024-09-01 | YCConsus The fastest and cheapest way to use AI with ITAR or CUI data. · consus.io | still up |
| 2024-01-01 | AI Hypothesis Engine for Molecular Discovery · junction.bio | 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.