Y Combinator Winter 2023 companies
274 companies in the W23 batch. Read the one-liners rather than scanning the names — they are the most instructive part of the directory, because each one shows how a funded company chose to narrow its own description.
Showing the first 200 of 274. Search the full directory to filter further.
- UnifyYC Winter 2023· London, England, United Kingdom· 6 people
AI teammates for everyone else 🤖
- Alphawatch AIYC Winter 2023· San Francisco, CA, USA· 8 people
Discover new opportunities (jobs, deals, investors)
- Lavo Life SciencesYC Winter 2023· Remote· 3 people
AI for drug formulation
- ChimaYC Winter 2023· San Francisco, CA, USA· 7 people
Building infrastructure tools to help large companies customize their…
- MogaraYC Winter 2023· San Francisco, CA, USA· 2 people
Automatic software R&D capitalization
- SamedayYC Winter 2023· Lehi, UT, USA· 7 people
The leading AI workforce for the trades.
- zudo.workYC Winter 2023· San Francisco, CA, USA· 3 people
AI Workers for Warranty
- RubbrbandYC Winter 2023· San Francisco, CA, USA· 3 people
Culture-defining commercials
- AvocaYC Winter 2023· New York City, NY, USA· 85 people
AI-powered Sales Agent for Service-Based Industries
- InfisicalYC Winter 2023· San Francisco, CA, USA· 50 people
Unified platform for secrets, certs, and privileged access management
- MiddlewareYC Winter 2023· San Francisco, CA, USA· 40 people
AI-based full stack observability platform
- StackAIYC Winter 2023· San Francisco, CA, USA· 62 people
The Enterprise AI Transformation Platform
- DesignbaseYC Winter 2023· Remote· 3 people
Design and build great interfaces
- LaminateYC Winter 2023· New York City, NY, USA
- FinvestYC Winter 2023· San Francisco, CA, USA· 5 people
AI Wealth Manager
- MiracleYC Winter 2023· San Francisco, CA, USA· 7 people
Accelerate clinical trials with real-time, actionable insights
- BlyssYC Winter 2023· San Francisco, CA, USA· 2 people
End-to-end encrypted AI.
- ReflexYC Winter 2023· San Francisco, CA, USA· 10 people
The operating system for building mission-critical enterprise apps.
- OneTextYC Winter 2023· San Francisco, CA, USA· 6 people
Frictionless payments via SMS
- LinumYC Winter 2023· San Francisco, CA, USA· 2 people
type text, dream video
- CardinalYC Winter 2023· Austin, TX, USA· 3 people
Your AI product backlog
- MatanoYC Winter 2023· Seattle, WA, USA· 2 people
Cloud Native SIEM (alternative to Splunk/Elastic)
- TraceloopYC Winter 2023· Tel Aviv-Yafo, Tel Aviv District, Israel· 9 people
Know what your LLM is doing — and why it’s failing
- riftYC Winter 2023· San Francisco, CA, USA· 2 people
B2B lead routing made simple
- Trigger.devYC Winter 2023· London, England, United Kingdom· 9 people
Build and deploy fully‑managed AI agents and workflows
- VersoriYC Winter 2023· Manchester, England, United Kingdom· 16 people
Agentic integrations & automations for enterprise
- StructYC Winter 2023· Remote· 3 people
Multi-lingual AI Voice Agents
- SynclyYC Winter 2023· San Francisco, CA, USA· 15 people
Social listening for the video era
- DrDroidYC Winter 2023· Bengaluru, KA, India· 8 people
Your best friend in production.
- LayupYC Winter 2023· New York City, NY, USA· 3 people
Guide your users. Right in your product.
- Credal.aiYC Winter 2023· New York City, NY, USA· 14 people
The Control Plane for Enterprise Agents
- Magic PatternsYC Winter 2023· San Francisco, CA, USA· 10 people
Go from idea to production with AI.
- RollstackYC Winter 2023· New York City, NY, USA· 30 people
Automate data-driven slide decks and documents with AI
- DepotYC Winter 2023· Remote· 8 people
Build faster. Waste less time.
- PaperplaneYC Winter 2023· New York City, NY, USA· 5 people
Credit risk management platform for builders' merchants
- PigeonYC Winter 2023· New York City, NY, USA· 5 people
AI-powered document automation: collect, review, extract, and sync.
- NovelcareYC Winter 2023· New York City, NY, USA· 5 people
Empowering every doctor and every patient to participate in research
- LumeYC Winter 2023· Remote· 5 people
Speed up customer implementation with AI
- ViddyYC Winter 2023· New York City, NY, USA· 2 people
A new way to create landing pages that is video-native.
- ConcourseYC Winter 2023· New York City, NY, USA· 7 people
AI Agents for corporate finance teams
- LatentYC Winter 2023· San Francisco, CA, USA· 50 people
Medical language models to automate healthcare operations
- BackdropYC Winter 2023· Seattle, WA, USA· 2 people
AI coworkers for running projects and operations
- MulliganYC Winter 2023· San Francisco, CA, USA· 5 people
AI automation for insurance brokerages
- DashdiveYC Winter 2023· San Francisco, CA, USA· 2 people
Break down AI and cloud costs by feature and customer
- FlexDeskYC Winter 2023· New York City, NY, USA· 8 people
AI Agents for corporate real estate teams
- IndexicalYC Winter 2023· San Francisco, CA, USA· 2 people
AI-powered data extraction engine
- TrackstarYC Winter 2023· New York City, NY, USA· 7 people
Plaid for supply chain logistics
- DemospaceYC Winter 2023· Remote· 2 people
- HammrYC Winter 2023· San Francisco, CA, USA· 10 people
Rippling for the Construction Industry
- BrewitYC Winter 2023· San Francisco, CA, USA· 4 people
Conversational data analytics for every team
- LynxYC Winter 2023· San Francisco, CA, USA· 5 people
AI platform for investigating and resolving engineering incidents
- PalommaYC Winter 2023· Medellín, Antioquia, Colombia· 8 people
AI & financial services for real estate in LatAm, starting by rent
- ParabolicYC Winter 2023· San Francisco, CA, USA· 2 people
AI assistant for customer support
- NangoYC Winter 2023· San Francisco, CA, USA· 6 people
A single API for all your integrations
- Rubber Ducky LabsYC Winter 2023· San Francisco, CA, USA· 2 people
AI Powered Product Discovery
- NumeralYC Winter 2023· San Francisco, CA, USA· 110 people
The AI-native sales tax solution.
- MercoaYC Winter 2023· San Francisco, CA, USA· 2 people
AI Agent for Billpay platforms to pay invoices with virtual cards
- Pair AIYC Winter 2023· New York City, NY, USA· 2 people
Reimagining education with short form video and AI
- OhmYC Winter 2023· San Francisco, CA, USA· 6 people
Ohm helps engineering teams accelerate hardware development & testing.
- Double – Coding CopilotYC Winter 2023· San Francisco, CA, USA· 2 people
AI coding copilot engineered for performance
- Glass HealthYC Winter 2023· Remote· 7 people
AI-Powered Clinical Decision Support & Ambient Scribing
- VersiveYC Winter 2023· San Francisco, CA, USA· 3 people
AI-first user research platform
- Pledge HealthYC Winter 2023· New York City, NY, USA· 2 people
AI RCM assistant that handles any insurance task on payer portals for…
- Ruby CardYC Winter 2023· New York City, NY, USA· 3 people
Neobank for e-commerce businesses
- ZeroDevYC Winter 2023· Los Angeles, CA, USA· 5 people
Account abstraction wallets as a service
- SalientYC Winter 2023· San Francisco, CA, USA· 40 people
AI Servicing for Auto Lenders
- EdgeBitYC Winter 2023· San Francisco, CA, USA· 5 people
Autofix your software dependencies
- CakeworkYC Winter 2023· Seattle, WA, USA· 2 people
API that adds cloud hosting to any developer platform
- TennrYC Winter 2023· New York City, NY, USA· 205 people
Fast, Transparent Patient Experiences
- DatagladeYC Winter 2023· New York City, NY, USA· 2 people
The smart way to research stocks.
- OmnistrateYC Winter 2023· San Francisco, CA, USA· 15 people
Transform any software to multi-cloud SaaS in minutes not years
- NarrativeYC Winter 2023· San Francisco, CA, USA· 5 people
AI agents for end-to-end testing
- OfOneYC Winter 2023· San Francisco, CA, USA· 5 people
AI-powered order taker for restaurant drive-thrus
- OpenSightYC Winter 2023· San Francisco, CA, USA· 3 people
AI-powered customer support automation for fast-growing companies
- loopfourYC Winter 2023· San Francisco, CA, USA· 20 people
Workflow automation, without AI hallucinations.
- GluetrailYC Winter 2023· Paris, Île-de-France, France· 2 people
Create step by step articles with screenshots and videos 10x faster
- FlexWashYC Winter 2023· Temecula, CA, USA· 2 people
The operating system for the car wash industry.
- infra.newYC Winter 2023· Remote· 3 people
AI Agent for Cloud Infrastructure
- PoplarMLYC Winter 2023· San Francisco, CA, USA· 2 people
Deploy Machine Learning Models with One Command
- GovEagleYC Winter 2023· New York City, NY, USA· 25 people
AI for Government Contractors
- OverfluxYC Winter 2023· Los Angeles, CA, USA· 2 people
Streamline EV charger installations for real estate developers
- CoperniqYC Winter 2023· San Francisco, CA, USA· 6 people
Workflow software for solar & energy contractors ☀️😎
- CreatorMLYC Winter 2023· New York City, NY, USA· 6 people
Foundation Model for Human Attention
- VoomaYC Winter 2023· San Francisco, CA, USA· 30 people
Automation platform for logistics
- ScanbaseYC Winter 2023· Los Angeles, CA, USA· 10 people
The API for Diagnostic Test Analysis (COVID-19, FLU, RSV, STD,…
- NeptyneYC Winter 2023· New York City, NY, USA· 4 people
The programmable spreadsheet.
- TrigoYC Winter 2023· New York City, NY, USA· 4 people
Rent verification API for landlords and lenders
- BluebirdsYC Winter 2023· San Francisco, CA, USA· 6 people
Automate outbound with signals
- LinkGrepYC Winter 2023· Jacksonville, FL, USA· 2 people
AI browser copilot for teams
- PirrosYC Winter 2023· Los Angeles, CA, USA· 44 people
AI Platform for Architects and Engineers
- FlowerYC Winter 2023· Remote· 20 people
Train AI on distributed data
- CosineYC Winter 2023· London, England, United Kingdom· 12 people
Fully Agentic SWE
- AlloyYC Winter 2023· Sydney, NSW, Australia· 5 people
AI prototyping tool for product managers
- BujetiYC Winter 2023· Paris, Île-de-France, France· 35 people
The Finance Control Centre for African Businesses
- ChartYC Winter 2023· San Francisco, CA, USA· 3 people
Realtime Access to Verified Tax Records
- GooseworksYC Winter 2023· San Francisco, CA, USA· 5 people
Self-Improving Ad Creative Engines
- CloudchiprYC Winter 2023· Berlin, Berlin, Germany· 25 people
The #1 Actionable FinOps Platform
- PoloTabYC Winter 2023· Mexico City, CDMX, Mexico· 18 people
Restaurant software that actually works
- RepacketYC Winter 2023· Vancouver, BC, Canada· 4 people
Employee security done for you.
- FrigadeYC Winter 2023· San Francisco, CA, USA· 4 people
AI-powered product assistance for modern software teams
- CobblestoneYC Winter 2023· New York City, NY, USA· 3 people
Delinquency reduction and automation software for institutional…
- SugerYC Winter 2023· San Francisco, CA, USA· 50 people
Salesforce for Cloud marketplaces on AWS, Azure, GCP
- HavenYC Winter 2023· New York City, NY, USA· 3 people
AI workforce for property management
- coil inc.YC Winter 2023· San Francisco, CA, USA· 1 people
ai
- Kivo HealthYC Winter 2023· San Francisco, CA, USA· 40 people
AI-powered care for seniors with chronic disease
- No CapYC Winter 2023· San Francisco, CA, USA· 5 people
AI startup investor, No Cap
- Dream3DYC Winter 2023· New York City, NY, USA· 3 people
Generative AI Worlds
- BluedotYC Winter 2023· San Francisco, CA, USA· 15 people
Bluedot is a single payment platform for EV drivers and fleets.
- DataSuiteYC Winter 2023· New York City, NY, USA· 4 people
Dataset Management for AI Trainers
- OuterbaseYC Winter 2023· Pittsburgh, PA, USA· 4 people
The interface for your database
- co.devYC Winter 2023· Remote· 2 people
Turn your ideas into full-stack apps
- LangfuseYC Winter 2023· Berlin, Berlin, Germany· 19 people
Open source LLM engineering platform
- ExtendYC Winter 2023· New York City, NY, USA· 25 people
Production-ready document processing
- FloworksYC Winter 2023· Bengaluru, KA, India· 20 people
Hire the best AI Sales employees | AI SDR | AI RevOps | AI EA
- RelaceYC Winter 2023· San Francisco, CA, USA· 7 people
Models and infra for coding agents
- IliadYC Winter 2023· Pittsburgh, PA, USA· 1 people
Create adjustable procedural materials with agents.
- PropexoYC Winter 2023· Boston, MA, USA· 6 people
Plaid for Commercial Real Estate
- OpenMeterYC Winter 2023· Remote· 7 people
Usage Metering, AI & API Monetization
- RUUFYC Winter 2023· Santiago, Santiago Metropolitan Region, Chile· 60 people
Managed marketplace for solar in Latam
- Choppy!YC Winter 2023· Los Angeles, CA, USA· 2 people
FAST FLAVORFUL PROTEIN
- PlutisYC Winter 2023· San Francisco, CA, USA· 2 people
- InkeepYC Winter 2023· San Francisco, CA, USA· 18 people
Build AI Agent teammates and automations in code or no-code
- VelosYC Winter 2023· San Francisco, CA, USA· 3 people
Platform to automate manual back-office work
- EzDubsYC Winter 2023· San Francisco, CA, USA· 6 people
Real-time speech translation
- Wild MooseYC Winter 2023· New York City, NY, USA· 3 people
Automating root cause analysis with generative AI
- ShortLoopYC Winter 2023· San Francisco, CA, USA· 8 people
Phone AI that Captures Every Dealership Revenue Opportunity
- BuildJetYC Winter 2023· Berlin, Berlin, Germany· 2 people
High-performance computing cloud
- Booth AIYC Winter 2023· San Francisco, CA, USA· 3 people
Generative AI Photographer for E-Commerce
- TruewindYC Winter 2023· San Francisco, CA, USA· 30 people
AI-Powered Accounting
- TableFlowYC Winter 2023· San Francisco, CA, USA· 2 people
AI Teammates for Data Tasks
- OverlordYC Winter 2023· New York City, NY, USA· 2 people
AI Accountability Partner
- GoodCourseYC Winter 2023· London, England, United Kingdom· 8 people
The TikTok style corporate training platform
- OrchidYC Winter 2023· Philadelphia, PA, USA· 4 people
AI-powered EHR for independent mental health professionals
- KV CashYC Winter 2023· San Francisco, CA, USA
KV Cash, a blockchain where contracts can finally think
- 1stCollabYC Winter 2023· San Francisco, CA, USA· 11 people
Performance-Optimized Influencer Marketing at Scale
- StoryboarderYC Winter 2023· New York City, NY, USA· 2 people
Tool and platform to create and sell webcomics
- Magicflow 𐂂YC Winter 2023· Tel Aviv-Yafo, Tel Aviv District, Israel· 2 people
The Gen AI evaluation and curation platform
- IcePanelYC Winter 2023· North Vancouver, BC, Canada· 9 people
Design and explain complex software architecture.
- RainmakerYC Winter 2023· Remote· 2 people
DeFi for Everyone
- HeliconeYC Winter 2023· San Francisco, CA, USA· 5 people
LLM Observability for Developers
- HomeflowYC Winter 2023· San Francisco, CA, USA· 4 people
Simplifying insurance for large real estate investors
- ArigladYC Winter 2023· Vancouver, BC, Canada· 4 people
Knowledge base maintenance on auto-pilot
- OutSail TechnologiesYC Winter 2023· San Francisco, CA, USA· 3 people
Revolutionary, Modern Wing Sails
- 222YC Winter 2023· New York City, NY, USA· 16 people
the AI social facilitator for offline human to human interactions
- VarianceYC Winter 2023· San Francisco, CA, USA· 12 people
AI Agents for Fraud Review and Investigations
- FintoolYC Winter 2023· San Francisco, CA, USA· 6 people
Financial copilot for institutional investors
- PortalformYC Winter 2023· Ashburn, VA, USA· 4 people
Build and host internal tools
- compliant-llmYC Winter 2023· San Francisco, CA, USA· 3 people
Detect every data leak into third-party GenAI tools
- ClickPeYC Winter 2023· Surat, GJ, India· 2 people
Finance on a Click
- BoundaryYC Winter 2023· Seattle, WA, USA· 10 people
The programming language for AI
- FactIQYC Winter 2023· Singapore, Singapore· 3 people
Investment research data for AI agents
- Sage AIYC Winter 2023· San Francisco, CA, USA· 2 people
Your self-generating, self-maintaining code knowledge base.
- SensorSurfYC Winter 2023· San Francisco, CA, USA· 1 people
Resolve PR check failures instantly with AI
- HadriusYC Winter 2023· New York City, NY, USA· 80 people
Automating Securities Compliance
- Fairway HealthYC Winter 2023· New York City, NY, USA· 3 people
AI Co-Pilot for Health Insurers to Authorize Treatment Faster
- Fluid MarketsYC Winter 2023· New York City, NY, USA· 3 people
Invest in public companies KPIs
- ShortbreadYC Winter 2023· San Francisco, CA, USA· 4 people
Read romance comics.
- OnshoreYC Winter 2023· New York City, NY, USA· 60 people
AI for corporate tax
- SherloqYC Winter 2023· Tel Aviv-Yafo, Tel Aviv District, Israel· 6 people
One place for all your queries, directly on your SQL editor
- HoneydewYC Winter 2023· Tel Aviv-Yafo, Tel Aviv District, Israel· 6 people
The home for shared data logic
- FinicYC Winter 2023· San Francisco, CA, USA· 4 people
The AI fraud hunter
- KoyweYC Winter 2023· Miami, FL, USA· 7 people
Crypto On and Off Ramp for Latam
- Hippo ScribeYC Winter 2023· San Francisco, CA, USA· 2 people
AI assisted documentation for PT/OT/SLP
- InfiniaYC Winter 2023· Montevideo, Montevideo Department, Uruguay· 12 people
Move money programmatically
- Noya SoftwareYC Winter 2023· San Francisco, CA, USA· 2 people
Product design tool that lets everyone design like a designer
- VitalizeYC Winter 2023· San Francisco, CA, USA· 28 people
Transforming how health systems optimize labor
- RadicalYC Winter 2023· Seattle, WA, USA· 6 people
Building persistent, high-performance infrastructure in the sky
- HonaYC Winter 2023· Orem, UT, USA· 32 people
Personal Injury Legal Work - Automated
- nunu.aiYC Winter 2023· ZH, Switzerland· 5 people
Building the first multimodal agents to play and test games.
- Odigos Technologies Inc.YC Winter 2023· Boston, MA, USA· 16 people
Enterprise-Grade OpenTelemetry
- CombineHealthYC Winter 2023· San Francisco, CA, USA· 15 people
Automating Healthcare Revenue Cycle Management with AI Workforce
- EchoYC Winter 2023· Haifa, Haifa District, Israel· 3 people
Founder-led sales co-pilot for B2B startups.
- AlaanYC Winter 2023· Dubai, Dubai, United Arab Emirates· 160 people
Modern finance platform for the Middle East
- VendahYC Winter 2023· São Paulo, SP, Brazil· 8 people
Vendah is building a Faire-style marketplace for LATAM’s +50M…
- ArroyoYC Winter 2023· San Francisco, CA, USA· 2 people
Cloud-native stream processing
- DeferYC Winter 2023· Paris, Île-de-France, France· 2 people
Zero infrastructure background processing platform.
- FastgenYC Winter 2023· New York City, NY, USA· 7 people
Webflow for the Backend
- SuperKalamYC Winter 2023· Bengaluru, KA, India· 20 people
AI-Powered Super Mentor for Test Prep
- CluesoYC Winter 2023· Bengaluru, KA, India· 25 people
Create beautiful videos & docs for any product or process in minutes
- RetapeYC Winter 2023· Bengaluru, KA, India· 3 people
AI Operating System for Debt Settlement
- SirdabYC Winter 2023· Riyadh, Riyadh Province, Saudi Arabia
Cloud warehousing & supply chain platform in MENA
- LoulaYC Winter 2023· New York City, NY, USA· 7 people
Enabling birth & postpartum doulas to easily accept insurance.
- Rally TaxYC Winter 2023· San Francisco, CA, USA· 5 people
AI-native tax platform to save $1T+ for Americans
- Shekel MobilityYC Winter 2023· Lagos, LA, Nigeria· 18 people
B2B marketplace for Auto Dealers in Africa
- MagnaPlayYC Winter 2023· Remote· 5 people
AI-powered game translation.
- ColdreachYC Winter 2023· San Francisco, CA, USA· 3 people
Find the best leads with custom intent signals
- ProglixYC Winter 2023· Jakarta, Jakarta, Indonesia· 25 people
B2B Marketplace for Steel Raw Materials
- MantysYC Winter 2023· Dubai, Dubai, United Arab Emirates· 10 people
AI agents for healthcare and insurance operations in GCC
- MilioYC Winter 2023· Bogotá, Bogota, Colombia· 16 people
B2B-2C real-time account to account payments
- UniverbalYC Winter 2023· Zürich, ZH, Switzerland· 3 people
Language learning with a conversational AI Tutor
- ClearspaceYC Winter 2023· San Francisco, CA, USA· 7 people
Less screen time, more life.
- SanvivoYC Winter 2023· Munich, BY, Germany· 4 people
Shopify for pharmacies in Europe
- inBuildYC Winter 2023· Wilmington, DE, USA· 12 people
Workflow Automation for Construction Finance
- Diffuse BioYC Winter 2023· San Francisco, CA, USA· 10 people
Generative AI for protein design
- PeebaYC Winter 2023· Jakarta, Jakarta, Indonesia· 30 people
Risk-free wholesale for retailers across Southeast Asia
- Muffin DataYC Winter 2023· Remote· 2 people
Modern analytics for CPG brands
- PylonYC Winter 2023· San Francisco, CA, USA· 120 people
The Agentic Support Platform purpose-built for B2B.
- CladYC Winter 2023· New York City, NY, USA· 7 people
Project management software for building infrastructure.
- EpsilonYC Winter 2023· New York City, NY, USA· 2 people
AI Search Engine for Academic Research
- HeliosYC Winter 2023· Mexico City, CDMX, Mexico· 3 people
Create your AI workforce