Y Combinator AI companies
The dominant category in recent batches. Note how narrowly the accepted one-liners describe themselves — almost none say 'AI platform', because the funded version names a job.
989 companies matched in the directory.
Showing the first 200 of 989. Search the full directory to filter further.
- AsyncYC Summer 2026· New York City, NY, USA· 2 people
Transforming small businesses with AI agents
- OS3YC Summer 2026· San Francisco, CA, USA· 2 people
Intelligence and Machines for Physical Labor
- Agentic FabriqYC Winter 2026· San Francisco, CA, USA· 2 people
The control plane for AI agents.
- FinalDoseYC Spring 2026· London, England, United Kingdom· 5 people
Programmable DNA drug destroying all cancers, unlocking 80% of targets
- NdeaYC Winter 2026· Remote· 15 people
Building AGI that can innovate.
- LinzumiYC Spring 2026· San Francisco, CA, USA· 3 people
Team chat to command all your company's coding agents
- ImperfectYC Spring 2026· San Francisco, CA, USA· 4 people
Adaptive training coach for runners, cyclists, and triathletes
- 10x ScienceYC Winter 2026· San Francisco, CA, USA· 4 people
The AI-native platform for next-generation protein characterization.
- Piris LabsYC Winter 2026· San Francisco, CA, USA· 8 people
The Networking Layer of AI
- RamAInYC Winter 2026· San Francisco, CA, USA· 4 people
Automate any UI task with natural language
- SalusYC Winter 2026· San Francisco, CA, USA· 2 people
Guardrails to validate your agent's actions before they execute
- RapidfolioYC Summer 2026· San Francisco, CA, USA
AI for fintechs & banks
- IncidentFoxYC Winter 2026· San Francisco, CA, USA· 2 people
AI SRE agent that triages, coordinates, and fixes production incidents
- InstinctYC Winter 2026· San Francisco, CA, USA· 5 people
Trade your instinct
- Seeing SystemsYC Winter 2026· London, England, United Kingdom· 2 people
Modular AI-Commanded Drones for Defence
- Visibl SemiconductorsYC Winter 2026· San Francisco, CA, USA· 2 people
A faster, lower cost path to custom silicon
- AssembleYC Summer 2026· San Francisco, CA, USA· 4 people
Agents for Enterprise IT
- Fenrock AIYC Winter 2026· San Francisco, CA, USA· 2 people
AI agents for banks
- RevionYC Winter 2026· New York City, NY, USA· 10 people
Intelligence for Automotive Operations
- Ressl AIYC Winter 2026· Bengaluru, KA, India· 3 people
Train, eval and build autonomous agents
- SitefireYC Winter 2026· BY, Germany· 2 people
Marketing suite for the agentic web
- Bubble LabYC Winter 2026· San Francisco, CA, USA· 2 people
Operating system for premium professional communities
- ArchalYC Summer 2026· San Francisco, CA, USA· 2 people
The improvement loop for AI agents
- Voxel EnergyYC Winter 2026· Remote· 3 people
Energy independent data centers with solar and repurposed batteries.
- DatoricYC Summer 2026· San Francisco, CA, USA· 2 people
Security-first training data
- Servo7YC Winter 2026· Amsterdam, NH, Netherlands· 3 people
Container unloading robots for warehouses
- Libra RoboticsYC Summer 2026· San Francisco, CA, USA· 2 people
Multi-robot collaboration for harsh environments on Earth.
- ForemanYC Winter 2026· San Francisco, CA, USA· 2 people
Keeping contractors on the job site, not behind a desk.
- InthYC Spring 2026· San Francisco, CA, USA· 3 people
Enterprise privacy governance for companies that ship fast
- CovaYC Summer 2026· Detroit, MI, USA· 2 people
AI-Native Home Care Agency
- Poth LabsYC Summer 2026· San Francisco, CA, USA· 2 people
Helping companies understand why users behave the way they do
- Carrot LabsYC Winter 2026· San Francisco, CA, USA· 2 people
AI Cost Management: Track and attribute AI spend across every provider
- ShofoYC Winter 2026· San Francisco, CA, USA· 4 people
The World's Largest Video Library
- Illume LabsYC Summer 2026· San Francisco, CA, USA· 3 people
24/7 Personal Health & Longevity Companion
- InstanceYC Summer 2026· San Francisco, CA, USA· 2 people
Automated evals for robot policies
- TwolabsYC Spring 2026· San Francisco, CA, USA· 2 people
Humanoid robot platform for builders.
- ZenbuYC Spring 2026· San Francisco, CA, USA· 1 people
The extensible IDE for coding agents
- Light AnchorYC Spring 2026· San Francisco, CA, USA· 2 people
AI-run consumer brands
- GodHandsYC Fall 2026· Bengaluru, KA, India· 2 people
The company knowledge base that updates itself
- SuperlogYC Spring 2026· San Francisco, CA, USA· 2 people
Make software self-healing
- StableBrowseYC Spring 2026· San Francisco, CA, USA· 3 people
Help frontier labs build better models.
- Keyframe LabsYC Spring 2026· San Francisco, CA, USA· 2 people
Bring AI to life with the world's best interactive avatars
- ArcherYC Spring 2026· San Francisco, CA, USA· 4 people
Global payouts for the workforce powering AI
- Degla IncYC Fall 2026· Boston, MA, USA· 2 people
The fully autonomous intelligence layer in the sky.
- PopsYC Spring 2026· New York City, NY, USA· 1 people
Create & play AI games with friends
- Uno WalletYC Spring 2026· San Francisco, CA, USA· 2 people
The AI mobile wallet that replaces Apple Pay
- TridentYC Summer 2026· San Francisco, CA, USA· 4 people
Agents that find real exploitable vulnerabilities in your company
- Enjamb LabsYC Spring 2026· San Francisco, CA, USA· 2 people
Where drug teams run their entire program, discovery to FDA approval
- rekursiv.aiYC Summer 2026· San Francisco, CA, USA· 2 people
Scale AI scientists whose own breakthroughs accelerate the next.
- Proprio RoboticsYC Summer 2026· San Francisco, CA, USA· 2 people
Building autonomous data centers
- KebraYC Summer 2026· San Francisco, CA, USA· 2 people
Make your field service company AI-native
- ErinysYC Summer 2026· San Francisco, CA, USA· 3 people
Building the first network of AI-native law firms
- Olam LabsYC Summer 2026· San Francisco, CA, USA· 2 people
Building multi-agent simulations for model evals and training.
- ZommaYC Summer 2026· San Francisco, CA, USA· 5 people
Computer Use Agents for back offices in finance
- EnactYC Summer 2026· San Francisco, CA, USA· 2 people
The post-training layer for robotics.
- MaingenYC Summer 2026· San Francisco, CA, USA· 2 people
RL environments for industrial operations
- Understudy LabsYC Summer 2026· San Francisco, CA, USA· 2 people
Effortlessly move to open weight models
- Synapse SemiconductorYC Summer 2026· Durham, NC, USA· 2 people
Collapsing the edge AI vision hardware stack into one wafer
- SpekoYC Summer 2026· San Francisco, CA, USA· 4 people
OpenRouter for voice AI
- JcodeYC Summer 2026· San Francisco, CA, USA· 1 people
20x more coding agents, 20x more productivity
- InsurfYC Summer 2026· San Francisco, CA, USA· 2 people
The AI-Native Decision Infrastructure for Health Insurance
- IMPACT DronesYC Summer 2026· San Francisco, CA, USA· 2 people
Air Defense as a Service for Civilian Infrastructure.
- InstaplayYC Summer 2026· San Francisco, CA, USA· 3 people
AI-Native Social Platform, Starting with Games
- RealPactYC Summer 2026· San Francisco, CA, USA· 3 people
AI-native OS for Real Estate Brokerages
- BuildboxYC Summer 2026· San Francisco, CA, USA· 2 people
Understand how users experience your AI agents
- RiftenYC Summer 2026· San Francisco, CA, USA· 0 people
Earned Intelligence for every company.
- BizmarkYC Summer 2026· San Francisco, CA, USA· 2 people
The OS for companies that make, move, or sell physical goods
- AllooviumYC Summer 2026· Brisbane, QLD, Australia· 5 people
Construction paperwork that finally works for your team
- COACHYC Summer 2026· San Francisco, CA, USA· 4 people
The AI Coach for in person sales reps.
- AudunYC Summer 2026· Oslo, Oslo, Norway· 4 people
AI-native debt collection
- GlenYC Summer 2026· San Francisco, CA, USA· 1 people
Unified organizational context for agents and humans
- TouchmarkYC Summer 2026· San Francisco, CA, USA· 2 people
Market for future inference capacity
- screenpipeYC Summer 2026· San Francisco, CA, USA· 2 people
AI powered by everything you've seen, said or heard
- Alkera AIYC Summer 2026· San Francisco, CA, USA· 3 people
Reliable and safe data engineering and data science agents
- DefiniteYC Summer 2026· San Francisco, CA, USA· 3 people
Build everyday back-office agents on one live model of your books
- TraceforceYC Summer 2026· San Francisco, CA, USA· 2 people
Securing AI native apps directly on devices
- CerenovusYC Summer 2026· San Francisco, CA, USA· 5 people
A knowledge company
- BloomyYC Summer 2026· San Francisco, CA, USA· 1 people
AI-powered mastery learning for K-12
- Ooak DataYC Summer 2026· Paris, Île-de-France, France· 5 people
We build the world's largest library of real-world business workflow…
- OrvixoYC Summer 2026· London, England, United Kingdom· 2 people
AI advanced planning and optimisation for manufacturers.
- WhitespaceYC Summer 2026· London, England, United Kingdom· 2 people
AI Operating System for Wholesale Distributors
- ClickYC Summer 2026· San Francisco, CA, USA· 1 people
Research services for ChatGPT and Claude
- VendoYC Summer 2026· San Francisco, CA, USA· 2 people
Let your users build their own features on top of your product
- FabraixYC Summer 2026· San Francisco, CA, USA· 2 people
The world's frontier hacker for AI agents.
- TenorYC Summer 2026· San Francisco, CA, USA· 3 people
Turn every employee into a manager of AI workers
- Moving AtomsYC Summer 2026· San Francisco, CA, USA· 2 people
Virtual Reality for Robots (World Models)
- Isengard Industries IncYC Summer 2026· San Francisco, CA, USA· 30 people
Mass-produced AI strike systems and Counter-UAS
- Financial DatasetsYC Summer 2026· New York City, NY, USA· 1 people
Connect your agent to the stock market
- Luca IQYC Summer 2026· Boston, MA, USA· 5 people
API First Tax Calculator for CPAs
- PacificYC Summer 2026· London, England, United Kingdom· 2 people
Mass-producing and deploying micro data centers for Earth and Space
- Last Accounting CompanyYC Summer 2026· Helsinki, Finland· 4 people
Agent-native accounting firm.
- ExecutorYC Summer 2026· San Francisco, CA, USA· 1 people
The open source integration management layer for AI.
- MarengoYC Summer 2026· San Francisco, CA, USA· 3 people
Automating engineering design, starting with data centers.
- AxelrodYC Summer 2026· San Francisco, CA, USA· 2 people
Boutique Hotels that run themselves
- DecaworkYC Summer 2026· San Francisco, CA, USA· 2 people
The Agent Control Plane for IT teams
- Lamb LabsYC Summer 2026· London, England, United Kingdom· 0 people
World's fastest AI models
- PalisadeYC Summer 2026· Los Angeles, CA, USA· 1 people
AI that finds and fixes OS-level vulnerabilities across device fleets
- DockYC Summer 2026· San Francisco, CA, USA· 2 people
Multiplayer agent workspace to run your company
- Agent FMYC Summer 2026· San Francisco, CA, USA· 2 people
One group chat to hear and steer your coding agents.
- Hebbian RoboticsYC Summer 2026· San Francisco, CA, USA· 2 people
APIs for searching and analyzing Physical AI data at scale
- LockeYC Summer 2026· San Francisco, CA, USA· 2 people
Builders of the first AI-native government affairs firm.
- OneCLIYC Summer 2026· San Francisco, CA, USA· 0 people
The Identity Gateway for AI Agents
- Dawn IndustriesYC Summer 2026· San Francisco, CA, USA· 2 people
Automatic Diagnosis & Fix for Industrial Automation Cells
- hiloopYC Summer 2026· San Francisco, CA, USA· 2 people
Infrastructure for recursive self-improvement
- hardware intelligenceYC Summer 2026· San Francisco, CA, USA· 2 people
AI tools for the chips your AI runs on
- Billow AI LabsYC Summer 2026· San Francisco, CA, USA· 0 people
AI-native Accounting Firm to Replace the Big-4
- Experiential LabsYC Summer 2026· San Francisco, CA, USA· 2 people
Turn your AI spend into a cheaper + better model you own
- ConiferYC Summer 2026· San Francisco, CA, USA· 3 people
Local-first least cost routing system to reduce 80%+ token spend
- herdrYC Fall 2026· Ankara, Ankara, Turkey· 1 people
building the open agent runtime
- QokedasYC Fall 2026· San Francisco, CA, USA· 3 people
Teaching models to decode the physical world
- ForwardYC Fall 2026· San Francisco, CA, USA· 5 people
Unifying Global Private Credit
- VoreliosYC Fall 2026· San Francisco, CA, USA· 2 people
AI that simulates physics 1000x faster
- WillowYC Spring 2025· San Francisco, CA, USA· 7 people
The voice interface replacing your keyboard
- Overstand LabsYC Winter 2025· New York City, NY, USA· 4 people
Navigate any set of data - no matter how large - in minutes.
- YouShiftYC Winter 2025· New York City, NY, USA· 10 people
The OS for hospital workforce management
- OnlookYC Winter 2025· San Francisco, CA, USA· 4 people
Cursor for Designers
- QuantstructYC Winter 2025· San Francisco, CA, USA· 2 people
AI documentation engineer – test & autoimprove stale product docs
- EdexiaYC Winter 2025· Brisbane, QLD, Australia· 4 people
AI Teacher Assistant for Grading Essays
- OutshipYC Winter 2025· San Francisco, CA, USA· 3 people
Hire amazing engineers by seeing how they use AI
- CandorYC Winter 2025· San Francisco, CA, USA· 2 people
We help companies win government funding with AI
- VetnioYC Winter 2025· Stockholm, Stockholm County, Sweden· 6 people
AI Copilot that automates admin work for veterinary professionals
- Leaping AIYC Winter 2025· San Francisco, CA, USA· 13 people
AI voice and texting agents
- Tweeks.ioYC Winter 2025· San Francisco, CA, USA· 2 people
Lovable for Chrome Plugins
- PraximYC Winter 2025· San Francisco, CA, USA· 2 people
The agentic AI Word editor
- Alice.techYC Winter 2025· Copenhagen, Denmark· 5 people
AI-driven exam prep
- DartboardYC Winter 2025· San Francisco, CA, USA· 2 people
AI-native remote operations center for hardware fleets
- Vocality HealthYC Winter 2025· San Francisco, CA, USA· 2 people
Voice AI for medical language translation
- ScoutYC Winter 2025· New York City, NY, USA· 8 people
AI-powered student information system for K-12 schools
- PromptlessYC Winter 2025· San Francisco, CA, USA· 5 people
An AI teammate that automatically updates your customer-facing docs
- Truffle AIYC Winter 2025· Bengaluru, KA, India· 2 people
AWS for AI Agents
- Toothy AIYC Winter 2025· San Francisco, CA, USA· 15 people
AI for insurance verification & billing at dental clinics
- a0.devYC Winter 2025· San Francisco, CA, USA· 3 people
We make mobile apps using AI.
- Elip AIYC Winter 2025· San Francisco, CA, USA· 4 people
Cooking something sweet and salty!
- Caseflood.aiYC Winter 2025· San Francisco, CA, USA· 2 people
How elite law firms do intake
- MaiveYC Winter 2025· San Francisco, CA, USA· 2 people
AI for Home Services
- CardamonYC Winter 2025· London, England, United Kingdom· 2 people
AI compliance co-pilot for regulated financial businesses
- OkiYC Winter 2025· San Francisco, CA, USA· 2 people
The digital home for your personal memories that grows with you
- SwerveYC Winter 2025· San Francisco, CA, USA· 2 people
Chat with AI Characters
- OsmosisYC Winter 2025· San Francisco, CA, USA· 6 people
Reinforcement Learning (RL) for AI Agents
- Mecha HealthYC Winter 2025· San Francisco, CA, USA· 4 people
Foundation models to automate x-ray analysis for radiologists
- Cuckoo LabsYC Winter 2025· Seoul, Seoul, South Korea· 2 people
Real-time AI translator for global sales and marketing
- HUDYC Winter 2025· San Francisco, CA, USA· 15 people
Platform for building RL environments and evals
- GaleYC Winter 2025· Vancouver, BC, Canada· 3 people
Fast and Data-Driven Immigration Platform
- AsteroidYC Winter 2025· San Francisco, CA, USA· 8 people
The integration layer for healthcare: EHRs, payer portals & more
- PickleYC Winter 2025· San Francisco, CA, USA· 15 people
Where your life context becomes understanding.
- HarberaYC Winter 2025· New York City, NY, USA· 2 people
AI Healthcare Provider Credentialing Software
- LopusYC Winter 2025· San Francisco, CA, USA· 2 people
Headless Data Team
- PlutoYC Winter 2025· New York City, NY, USA· 5 people
Regulated derivatives exchange
- Mundo AIYC Winter 2025· Vancouver, BC, Canada· 4 people
High Quality Multilingual Training Data for AI Models
- Lucidic AIYC Winter 2025· San Francisco, CA, USA
Reimagining how Machines Learn
- CandorYC Winter 2025· San Francisco, CA, USA· 3 people
Protect your data and stop insider risk
- TrataYC Winter 2025· New York City, NY, USA· 6 people
AI-powered research desk for hedge funds
- ExlaYC Winter 2025· San Francisco, CA, USA· 2 people
Building agents that reads logs and fixes issues on your behalf.
- OutlitYC Winter 2025· San Francisco, CA, USA· 2 people
Customer Context for Agents
- Sennu AIYC Winter 2025· San Francisco, CA, USA· 2 people
We turn traditional companies into AI companies
- Artificial SocietiesYC Winter 2025· London, England, United Kingdom· 12 people
We build networks of AIs to simulate high-value audiences
- AfterQueryYC Winter 2025· San Francisco, CA, USA· 30 people
Applied research lab curating data solutions for foundation model…
- MastraYC Winter 2025· San Francisco, CA, USA· 30 people
The Javascript framework for building AI agents, from the Gatsby devs
- PinchYC Winter 2025· VC, Spain· 3 people
Real-time AI Voice Translation for Developers
- Proception IncYC Winter 2025· San Francisco, CA, USA· 10 people
Making humanoids dexterous enough to thread a needle
- WozYC Winter 2025· San Francisco, CA, USA· 8 people
Claude Code plugin that reduces token consumption and cost by 50%
- CopyCatYC Winter 2025· Seattle, WA, USA· 2 people
AI agents built for insurance.
- TamLabsYC Winter 2025· San Francisco, CA, USA· 2 people
Agent Teams for Professionals
- Browser UseYC Winter 2025· San Francisco, CA, USA· 7 people
Leading open-source web agent project with 50k stars in 3 months
- DexYC Winter 2025· San Francisco, CA, USA· 2 people
The AI Coworker in Chrome
- MentraYC Winter 2025· San Francisco, CA, USA· 12 people
Building the open source smart glasses operating system.
- BlaxelYC Spring 2025· San Francisco, CA, USA· 8 people
The perpetual sandbox platform
- FrekilYC Spring 2025· Bengaluru, KA, India· 2 people
RWE Generation in minutes
- GolfYC Spring 2025· San Francisco, CA, USA· 1 people
Agentic AI Security and Governance
- SerafisYC Summer 2025· San Francisco, CA, USA· 4 people
Narrative intelligence for investors
- Synthio LabsYC Spring 2025· San Francisco, CA, USA· 29 people
Agentic AI platform for Pharma GTM teams
- AcoliteYC Spring 2025· New York City, NY, USA· 3 people
AI Native Commercial Insurance Broker
- FeynYC Spring 2025· San Francisco, CA, USA· 3 people
Custom models trained on your data
- Zeon SystemsYC Spring 2025· San Francisco, CA, USA· 5 people
AI-powered robotics for scientific lab automation.
- ClarmYC Spring 2025· ZH, Switzerland· 2 people
Build governed AI agents on your own data, without code
- HanjiYC Spring 2025· San Francisco, CA, USA· 4 people
Turn your hardest documents into reliable data
- PercivalYC Spring 2025· San Francisco, CA, USA· 3 people
Accelerating data analysis for research
- KestralYC Spring 2025· San Francisco, CA, USA· 3 people
We automate your entire product development lifecycle.
- ParsewiseYC Spring 2025· London, England, United Kingdom· 6 people
Multi-document processing for your risk teams, AI agents, pipelines
- TinfoilYC Spring 2025· San Francisco, CA, USA· 5 people
Encrypted AI with verifiable privacy
- TegoreYC Spring 2025· San Francisco, CA, USA· 1 people
Your new AI-powered math tutor.
- throxyYC Spring 2025· London, England, United Kingdom· 55 people
Vertical AI agents running B2B outbound on autopilot, with human SDRs
- AnanaYC Spring 2025· New York City, NY, USA· 2 people
The agentic system of action for hotel groups and management companies
- IRBCYC Spring 2025· New York City, NY, USA· 3 people
AI-native financial institution for global businesses + agents.
- ThetaYC Spring 2025· San Francisco, CA, USA· 7 people
Specialized AI for Every Job
- QualGentYC Spring 2025· San Francisco, CA, USA· 10 people
AI Mobile App Quality Assurance Tester
- Human BehaviorYC Spring 2025· San Francisco, CA, USA· 3 people
Understand your users beyond the numbers
- Besimple AIYC Spring 2025· San Francisco, CA, USA· 6 people
Voice data for AI
- CartpoleYC Spring 2025· San Francisco, CA, USA· 2 people
Building reinforcement learning environments
- Boost RoboticsYC Spring 2025· Boston, MA, USA· 2 people
Robots for the inspection and maintenance of data centers
- CactusYC Summer 2025· San Francisco, CA, USA· 8 people
Low-latency AI engine for mobile devices & wearables
- BramanteYC Spring 2025· Boston, MA, USA· 2 people
Life sciences reagents and software
- OrchidYC Spring 2025· San Francisco, CA, USA· 3 people
A personal EA in your iMessage
- KairosYC Spring 2025· San Francisco, CA, USA· 3 people
Specialized AI for Critical Industries
- NaïveYC Spring 2025· San Francisco, CA, USA· 8 people
Unified Agent Infrastructure
- MesmerYC Spring 2025· Berlin, Berlin, Germany· 7 people
The operating system for the 100x Engineering Team
- Moby AnalyticsYC Spring 2025· Paris, Île-de-France, France· 4 people
AI financial auditors
- PelicaYC Spring 2025· San Francisco, CA, USA· 5 people
Transforming healthcare operations with AI agents
- Code FourYC Spring 2025· San Francisco, CA, USA· 3 people
Modernizing the police workflow.
- CactusYC Spring 2025· San Francisco, CA, USA· 2 people
All-In-One AI Growth Partner. Built for Trades.