πŸš€ Y Combinator×❄️ Winter 2017

YC W17: The Shift from Mobile Apps to Industrial AI

116 startups in this batch

What Was YC WINTER 2017?

W17 landed at a pivot point where the "Uber for X" era ended and YC began betting heavily on hard tech, industrial automation, and specialized AI. While the world grappled with political shiftsβ€”evidenced by the ACLU's inclusionβ€”founders were focused on moving beyond simple consumer apps toward complex infrastructure and global fintech.

What These 116 Startups Built and Proved

This cohort proved that verticalized computer vision could solve high-stakes physical security and that cross-border fintech could scale in emerging markets via mobile-first credit. They validated that industrial-grade hardware could be commoditized and that niche SaaS could survive by targeting high-friction, regulated industries like healthcare and legal services.

What Failed and What to Learn From It

Many W17 startups struggled with the high capital intensity of hardware and the "human-in-the-loop" bottlenecks of early machine learning. The assumption that proprietary datasets alone would create an unassailable moat often broke as open-source models leveled the playing field, proving that distribution and workflow integration matter more than the model itself.

The Relaunch Opportunity in 2026

The "AI Radiologist" or "AI Security Guard" models from W17 were limited by 2017's brittle computer vision; today, multimodal LLMs can replace the expensive manual labeling they required. A solo builder can now relaunch these vertically integrated AI services as pure software plays, using agentic workflows to handle the complex reasoning that previously required massive operations teams.

ACLUYC

active

Defender of rights and liberties

πŸ“ New YorkπŸ“… 2017

AellaYC

active

Diversified credit infrastructure powering payments across Africa.

πŸ“ LagosπŸ“… 2016

AI Radiologist in a Box - We provide a vertically integrated AI…

πŸ“ SingaporeπŸ“… 2016

AI company transforming enterprise physical security to prevent…

πŸ“ San JoseπŸ“… 2016

AnasenYC

shutdown

Anasen is an app that makes data analysis easy and accessible to…

πŸ“ ParisπŸ“… 2016

AON3DYC

active

Additive Manufacturing with advanced materials

πŸ“ MontrealπŸ“… 2016

ApozyYC

active

Apozy makes every website safe to browse

πŸ“ San FranciscoπŸ“… 2016

ArmoryYC

acquired

Continuous Deployment at any scale, for all developers.

πŸ“ San MateoπŸ“… 2016

ArthenaYC

acquired

Quantitative Investment in Art Assets

πŸ“ New YorkπŸ“… 2016

AryllaYC

shutdown

We connect products to the internet using an invisible, chip-less tag

πŸ“ KitchenerπŸ“… 2016

BeekYC

shutdown

Leading audio subscription platform for Spanish content and creators

πŸ“ Mexico CityπŸ“… 2016

Bicycle AIYC

shutdown

Customer support as a service using machine intelligence with human supervision.

πŸ“ BengaluruπŸ“… 2017

Neural interfaces to understand and use nerve data in medicine.

πŸ“ CambridgeπŸ“… 2016

BitriseYC

active

Hosted Continuous Integration and Delivery for mobile apps

πŸ“ BudapestπŸ“… 2016

BloomAPI helps doctors share clinical data. Today most healthcare…

πŸ“ SeattleπŸ“… 2016

An AI-powered operating system that consolidates farm data to help specialty crop farmers measure yield, quality, costs, and performance through automated data management and peer benchmarking.

πŸ“ San FranciscoπŸ“… 2015

boxouseYC

shutdown

portable, affordable, beautiful smart homes

πŸ“ OaklandπŸ“… 2016

BreakerYC

acquired

A podcast company.

πŸ“ San FranciscoπŸ“… 2016

BrexYC

active

Business accounts, corporate cards, and spend management software.

πŸ“ San FranciscoπŸ“… 2016

B2B global supply chain and procurement platform offering industrial products, MRO goods, logistics, and invoice financing for enterprises and governments.

πŸ“ MumbaiπŸ“… 2015

BulletinYC

acquired

Helping retailers discover and shop the best brands on the planet

πŸ“ New YorkπŸ“… 2016

Modern bill payment platform for African businesses and consumers.

πŸ“ Federal Capital TerritoryπŸ“… 2022

CartcamYC

shutdown

Cartcam is an app for opinionated, deal-seeking shoppers. It gives…

πŸ“ UnknownπŸ“… 2016

Clear Genetics is scaling delivery of Genomic services

πŸ“ San FranciscoπŸ“… 2016

Connects workplaces with professionals nearby.

πŸ“ San FranciscoπŸ“… 2016

We help healthcare orgs collect more money faster

πŸ“ San FranciscoπŸ“… 2016

CowlarYC

shutdown

Fitbit for dairy cows. Farms use cowlar's alerts & recommendations to…

πŸ“ MemphisπŸ“… 2016

DeleeYC

active

Blood testing device for early diagnosis of cancer and treatment…

πŸ“ MonterreyπŸ“… 2016

Getting kids ready for school in India.

πŸ“ DelhiπŸ“… 2016

EntryYC

shutdown

Biometric sign in and identity verification platform

πŸ“ San FranciscoπŸ“… 2016

ExternYC

active

Professional Experience Anytime, Anywhere.

πŸ“ New YorkπŸ“… 2016

FaireYC

active

The global online platform empowering independent retail.

πŸ“ San FranciscoπŸ“… 2016

FiboYC

shutdown

SaaS calendar and messaging for SMBs

πŸ“ San FranciscoπŸ“… 2016

FiixYC

acquired

Fiix sends expert auto mechanics to your home, so you don’t have to…

πŸ“ TorontoπŸ“… 2016

FirsthandYC

shutdown

Firsthand makes software-enabled, self-serve retail kiosks that carry…

πŸ“ UnknownπŸ“… 2016

FloydHubYC

shutdown

ML Platform for developing, training and deploying ML models

πŸ“ San FranciscoπŸ“… 2016

Next-generation mRNA platform to solve cancer, COVID and climate.

πŸ“ BostonπŸ“… 2016

HivyYC

acquired

An end-to-end platform for office management. We enable office…

πŸ“ San FranciscoπŸ“… 2016

HogaruYC

active

Hogaru is a tech-enabled home services platform in Latin America.

πŸ“ BogotΓ‘πŸ“… 2016

HumiYC

acquired

Payroll, HR, and Health Benefits for Canada's SMB's

πŸ“ TorontoπŸ“… 2017

We Fix Email in Spam

πŸ“ San FranciscoπŸ“… 2016

Enabling T cell immunotherapy discovery, development and manufacturing

πŸ“ BerkeleyπŸ“… 2016

InnaMedYC

shutdown

At-home blood testing: measure + analyze + enhance.

πŸ“ PhiladelphiaπŸ“… 2016

KidPassYC

acquired

Online & In-Person Kids Activities

πŸ“ New YorkπŸ“… 2016

Marketplace for insurance securitization.

πŸ“ United States; RemoteπŸ“… 2016

LitHitYC

shutdown

Smart Target for Shooting Sports

πŸ“ UnknownπŸ“… 2016

Modern employee benefits & health savings account (HSA) provider

πŸ“ San FranciscoπŸ“… 2016

Predict job applicant performance for entry-level support roles

πŸ“ San FranciscoπŸ“… 2016

lvl5YC

acquired

HD maps for self-driving cars.

πŸ“ UnknownπŸ“… 2016

MarketfoxYC

shutdown

Marketing automation platform optimized for mobile and web that simplifies marketing with AI.

πŸ“ San FranciscoπŸ“… 2017

Democratizing Dermatology with AI

πŸ“ San FranciscoπŸ“… 2016

MednetYC

active

Stack Overflow for Medicine

πŸ“ New YorkπŸ“… 2016

App that turns selfie photos into thousand emoji that look like you…

πŸ“ San FranciscoπŸ“… 2016

Automatic Data Extraction

πŸ“ San FranciscoπŸ“… 2016

NeemaYC

shutdown

Neema is an app for unbanked workers, which provides a checking…

πŸ“ Tel Aviv-YafoπŸ“… 2016

NilesYC

shutdown

Knowledge Assistant for Work.

πŸ“ San FranciscoπŸ“… 2016

A bus ticket out of poverty

πŸ“ UnknownπŸ“… 2016

NombaYC

active

Banking and payments for businesses in Africa

πŸ“ LagosπŸ“… 2016

NuvolaYC

active

Nuvola is transforming battery manufacturing, making EV batteries…

πŸ“ Los AngelesπŸ“… 2016

OneFinYC

active

Shopify for Financial Services

πŸ“ BengaluruπŸ“… 2016

OriginYC

shutdown

Keurig for healthy smoothies.

πŸ“ San FranciscoπŸ“… 2016

PearlYC

shutdown

The future of office coffee. Keurig convenience meets cafe quality.

πŸ“ San FranciscoπŸ“… 2016

Peer5YC

acquired

P2P delivery network that enables high quality video streaming

πŸ“ Palo AltoπŸ“… 2016

PennyYC

acquired

Penny makes keeping track of your finances as easy as having a…

πŸ“ San FranciscoπŸ“… 2016

Pit.AIYC

shutdown

Solving intelligence for investment management.

πŸ“ San FranciscoπŸ“… 2016

PlaneYC

active

#1 easiest-to-use payroll for startups

πŸ“ San FranciscoπŸ“… 2016

PlaymentYC

acquired

Mechanical Turk for enterprises.

πŸ“ BengaluruπŸ“… 2016

PulseYC

shutdown

Electronic Medical Records for India

πŸ“ BengaluruπŸ“… 2016

Join tennis league and play competitively with people nearby

πŸ“ DenverπŸ“… 2016

SEO and AI search optimization agency providing data-driven strategies for visibility across Google and AI platforms like ChatGPT and Perplexity.

πŸ“ San FranciscoπŸ“… 2017

We make healthcare in emerging markets affordable and accessible

πŸ“ LagosπŸ“… 2016

Request is a payment request technology & an ecosystem of apps

πŸ“ ParisπŸ“… 2016

RetoolYC

active

Build internal tools fast.

πŸ“ San FranciscoπŸ“… 2017

REZIYC

active

Rent Better

πŸ“ New YorkπŸ“… 2016

RileyYC

shutdown

MailChimp for SMS

πŸ“ New YorkπŸ“… 2016

One place to run all your HR, IT, and Finance. Globally.

πŸ“ San FranciscoπŸ“… 2016

Low-code integration platform for banking

πŸ“ BostonπŸ“… 2016

The Universal API

πŸ“ San FranciscoπŸ“… 2016

ScopeAIYC

acquired

Automatically extracts valuable insights from customer service conversations using AI and natural language processing.

πŸ“ San FranciscoπŸ“… 2017

ScribeYC

active

AI-powered platform that automatically documents workflows and processes to create step-by-step guides.

πŸ“ San FranciscoπŸ“… 2016

ShipamaxYC

acquired

Simple, end-to-end automation for logistics orgs

πŸ“ LondonπŸ“… 2016

Sigma Genetics is a biotechnology company that is building…

πŸ“ SeattleπŸ“… 2017

Flexible printed OLED displays.

πŸ“ San CarlosπŸ“… 2016

Sleep Reset is a clinically proven CBT-i program for better sleep

πŸ“ San FranciscoπŸ“… 2016

AI-powered platform for real estate agents to qualify leads, set appointments, enrich property data, and automate outreach.

SnapprYC

active

Snappr is the one-stop-shop for visual content creation

πŸ“ San FranciscoπŸ“… 2016

SolugenYC

active

Decarbonizing the chemicals industry.

πŸ“ HoustonπŸ“… 2016

SoomgoYC

acquired

Local services marketplace that connects providers with new customers

πŸ“ SeoulπŸ“… 2016

SourceBeacon is an on-demand procurement concierge for sourcing…

πŸ“ UnknownπŸ“… 2016

SpeakYC

active

AI-powered language tutor app focused on spoken fluency through personalized conversations and real-time feedback.

πŸ“ San FranciscoπŸ“… 2016

Crystallized coffee that's better than fresh Starbucks

πŸ“ San FranciscoπŸ“… 2016

Supr DailyYC

acquired

Daily grocery delivery service in India

πŸ“ BengaluruπŸ“… 2016

SycamoreYC

shutdown

Marketplace for companies to add a delivery driver in 5 minutes.

πŸ“ UnknownπŸ“… 2016

TerarkYC

acquired

Fastest Storage Engine with the Best Compression, we enables direct…

πŸ“ BeijingπŸ“… 2016

TetraYC

acquired

AI notetaker that dials into phone calls for real-time transcription, summarization, and note sharing.

πŸ“ San FranciscoπŸ“… 2017

We're your non-profit portfolio managers. We make giving to…

πŸ“ OxfordπŸ“… 2016

E-commerce 2.0

πŸ“ San FranciscoπŸ“… 2016

TizetiYC

active

ISP for Africa

πŸ“ LagosπŸ“… 2016

Complete fare payment platform for public transportation

πŸ“ San FranciscoπŸ“… 2016

TolemiYC

active

Data integration & insights for state and local governments

πŸ“ BostonπŸ“… 2016

TradeYC

shutdown

We're building Africa's Commodity Exchange.

πŸ“ Broken ArrowπŸ“… 2016

TressYC

shutdown

Tress is a social community for black women's hairstyles. We are…

πŸ“ AccraπŸ“… 2016

UpcallYC

active

Upcall provides outbound call professionals as a service.

πŸ“ San FranciscoπŸ“… 2016

UpKeepYC

active

Mobile-first software for maintenance teams.

πŸ“ Los AngelesπŸ“… 2016

VanGoYC

shutdown

Uber for Kids

πŸ“ New YorkπŸ“… 2016

APIs to Transform Documents into Structured Data

πŸ“ San MateoπŸ“… 2016

We help B2C companies learn from every customer interaction

πŸ“ New YorkπŸ“… 2016

VolansiYC

acquired

Autonomous VTOL delivery solutions.

πŸ“ San FranciscoπŸ“… 2016

Volt Health is developing medical devices that deliver electrical…

πŸ“ Mountain ViewπŸ“… 2016

AWS for manufacturing.

πŸ“ NYπŸ“… 2016

WavyYC

acquired

Experience music and art in augmented reality

πŸ“ San FranciscoπŸ“… 2016

WaystoCapYC

acquired

We are Alibaba of Africa. We are building a marketplace for African…

πŸ“ CasablancaπŸ“… 2016

Decentralised broadband connectivity.

πŸ“ BengaluruπŸ“… 2016

Boeing for electric planes

πŸ“ AlbanyπŸ“… 2016

Insurance Distribution Infrastructure

πŸ“ New YorkπŸ“… 2016

ZipXYC

acquired

We allow anyone in South East Asia to instantly order any product…

πŸ“ Hong Kong IslandπŸ“… 2016