What they do:
Your AI-powered creative apprentice 🪄
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HQ: New York, NY, United States
Y Combinator Summer 2018 Startups
This list has 131 startups and was last updated on Oct 15, 2026. 28 of them are hiring right now. Biggest hubs: San Francisco (57), New York (13), and Boston (5). Largest teams: Calii, Leena AI, and Papa.
131 startupsPage 3 of 4
What they do:
Audio learning assistant for teachers and students.
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HQ: San Francisco, CA, United States
What they do:
Synkrino's AI, SATIS is a powerful, unbiased discovery system for…
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HQ: San Francisco, CA, United States
What they do:
mRNA therapeutics to extend healthspan entering clinical trials
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HQ: San Francisco, CA, United States
What they do:
We help retailers and restaurant chains manage repairs and…
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HQ: San Francisco, CA, United States
YC S18Early stage
What they do:
Making low cost versions of high cost generic drugs.
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HQ: Dallas, TX, United States
YC S18Early stage
Grin
Acquired
What they do:
Mobility and payments platform for Latin America
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HQ: Mexico City, Mexico
Regology
Acquired
What they do:
AI Agents for Regulatory Compliance
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HQ: San Francisco, CA, United States
HeyDoctor
Acquired
What they do:
HeyDoctor provides online primary care (like refilling birth control,…
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HQ: San Francisco, CA, United States
Shelf Engine
Acquired
What they do:
Transforms how grocery stores buy highly perishable foods.
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HQ: Seattle, WA, United States
Berbix
Acquired
What they do:
Convert more verified users. Instantly & accurately validate user IDs.
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HQ: San Francisco, CA, United States
Kinside
Acquired
What they do:
Powering the $648b Care Economy
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HQ: San Francisco, CA, United States
Impactive (formerly Outvote)
Acquired
What they do:
Political/civic tech helping progressive campaigns organize & mobilize
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HQ: Boston, MA, United States
HappiLabs
Acquired
What they do:
Virtual Lab Managers for scientists and biotech, research Labs
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HQ: San Francisco, CA, United States
hypcloud
Acquired
What they do:
A tech-enabled commercial mortgage broker. hypcloud allows property…
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Scanwell Health
Acquired
What they do:
Smartphone-enabled, at-home diagnostics
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HQ: Los Angeles, CA, United States
Phiar
Acquired
What they do:
We are developing a revolutionary AI-powered augmented reality…
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HQ: San Francisco, CA, United States
Rain Neuromorphics
Acquired
What they do:
We build artificial intelligence processors inspired by the brain.
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HQ: San Francisco, CA, United States
Nova
Acquired
What they do:
Digital subscriptions that delight investors.
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HQ: Dallas, TX, United States
Lowkey
Acquired
What they do:
Capture, create, & share gaming moments (Acquired by Niantic!)
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HQ: San Francisco, CA, United States
Dorian Therapeutics
Acquired
What they do:
New therapeutics to rejuvenate tissue and treat age-related diseases
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HQ: San Francisco, CA, United States
CSPA
Acquired
What they do:
The Computer Science Proficiency Assessment (CSPA™) is a…
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HQ: San Francisco, CA, United States
Optic
Acquired
What they do:
Making APIs Developer-friendly
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HQ: New York, NY, United States
Coral Genomics
Acquired
What they do:
New clinical tests for managing autoimmune treatments.
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HQ: San Francisco, CA, United States
Demeanor.co
Acquired
What they do:
Now part of thentwrk.com
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HQ: Los Angeles, CA, United States
Allotrope Medical
Acquired
What they do:
Advancing surgical precision through safe electrical stimulation.
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HQ: Houston, TX, United States
OneGraph
Acquired
What they do:
GraphQL API to connect all of the internet's APIs. Join us at Netlify!
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HQ: San Francisco, CA, United States
Kobo360
Shut down
What they do:
Africa's leading supply chain technology platform.
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Purple Plate
Shut down
What they do:
We license brands for delivery and pick-up
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HQ: San Francisco, CA, United States
Medinas Health
Shut down
What they do:
Medinas helps hospitals manage their inventory and buy and sell their…
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HQ: San Francisco, CA, United States
The Supplant Company
Shut down
What they do:
A brand-new blend of sugars – made from plant fiber!
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HQ: Cambridge, United Kingdom
Inokyo
Shut down
What they do:
We bring physical stores to the digital age with cashierless checkout.
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HQ: San Francisco, CA, United States
Avo
Shut down
What they do:
Online convenience store for residential and office buildings
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Warpdrive by Synthetic Minds
Shut down
What they do:
From screen recordings to desktop automations using program synthesis
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HQ: San Francisco, CA, United States
Radix Labs
Shut down
What they do:
Operating systems for biology labs
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HQ: Boston, MA, United States
Xkit
Shut down
What they do:
Universal CRM integration for B2B SaaS apps
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HQ: San Francisco, CA, United States