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.
1068 companies matched in the directory.
Showing the first 200 of 1068. Search the full directory to filter further.
- BaudYC Summer 2026· San Francisco, CA, USA· 3 people
AI chips for ultra-fast training and inference
- OS3YC Summer 2026· San Francisco, CA, USA· 2 people
Affordable, intelligent humanoid robots built to deploy at scale
- Agentic FabriqYC Winter 2026· San Francisco, CA, USA· 2 people
The control plane for AI agents.
- FinalDoseYC Spring 2026· Oxford, 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.
- HaladirYC Winter 2026· San Francisco, CA, USA· 4 people
Operational Superintelligence for Global Logistics
- LinzumiYC Spring 2026· San Francisco, CA, USA· 3 people
Team chat to command all your company's coding agents
- OriginYC Winter 2026· San Francisco, CA, USA· 8 people
AI and Data for Cancer Therapeutics
- OneTriangleYC Summer 2026· San Francisco, CA, USA· 4 people
The cheapest, fastest inference cloud
- Quotient LabsYC Winter 2026· San Francisco, CA, USA· 2 people
Use Claude Code at 47% less cost in one line of installation.
- RunAnywhereYC Winter 2026· San Francisco, CA, USA· 5 people
Fastest inference anywhere: open models on-prem, hosted or on-device
- Piris LabsYC Winter 2026· San Francisco, CA, USA· 8 people
The Networking Layer of AI
- AshrYC Winter 2026· San Francisco, CA, USA· 2 people
Enterprise post-training, monitoring, and continual learning platform
- 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-native back-office for banks and fintechs
- 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 with superhuman instinct
- AssembleYC Summer 2026· San Francisco, CA, USA· 4 people
Autonomous IT Delivery
- 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
- SitefireYC Winter 2026· BY, Germany· 2 people
Marketing suite for the agentic web
- ArchalYC Summer 2026· San Francisco, CA, USA· 2 people
API sandboxes, built 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
The secure training data R&D engine for physical AI
- Servo7YC Winter 2026· Amsterdam, NH, Netherlands· 3 people
Container unloading robots for warehouses
- ForemanYC Winter 2026· San Francisco, CA, USA· 2 people
Keeping contractors on the job site, not behind a desk.
- AtliaYC Summer 2026· San Francisco, CA, USA· 2 people
The AI-native property management company for short-term rentals
- Talking ComputersYC Winter 2026· Toronto, ON, Canada· 2 people
Real-time interaction models for voice agents
- VeriadYC Winter 2026· London, England, United Kingdom· 2 people
AI operating system for advertising
- TensorTestYC Winter 2026· San Francisco, CA, USA· 3 people
Evals, RL environments and training data for creative tasks
- 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
- PerfectBit, Inc.YC Spring 2026· San Francisco, CA, USA· 3 people
Robotics
- Illume LabsYC Summer 2026· San Francisco, CA, USA· 3 people
24/7 Personal Health & Longevity Companion
- PaletteYC Summer 2026· San Francisco, CA, USA· 2 people
The Media Engine of the AI Era
- TwolabsYC Spring 2026· San Francisco, CA, USA· 2 people
Humanoid robot platform for builders.
- HubYC Spring 2026· San Francisco, CA, USA· 40 people
Real-world training data for frontier AI labs and robotics.
- Light AnchorYC Spring 2026· Seoul, Seoul, South Korea· 2 people
AI-run consumer brands
- SuperlogYC Spring 2026· Paris, Île-de-France, France· 2 people
Make software self-healing
- Deep InteractionsYC Spring 2026· San Francisco, CA, USA· 6 people
Collaborative AI app builder for teams
- UserlensYC Spring 2026· San Francisco, CA, USA· 4 people
Let agents talk to your customers
- AntinuousYC Spring 2026· San Francisco, CA, USA· 2 people
Autonomous research agents for R&D and applied science
- KimptonYC Spring 2026· New York City, NY, USA· 5 people
Live Evaluation Arenas for Financial Work
- Keyframe LabsYC Spring 2026· Los Angeles, CA, USA· 2 people
Bring AI to life with the world's best interactive avatars
- Degla IncYC Fall 2026· Boston, MA, USA· 2 people
The fully autonomous intelligence layer in the sky.
- CollarYC Fall 2026· San Francisco, CA, USA· 2 people
AI for Investor Relations
- ArmatureYC Spring 2026· Paris, Île-de-France, France· 3 people
We get your product picked by coding agents.
- PopsYC Spring 2026· New York City, NY, USA· 1 people
Create & play AI games with friends
- RevnuYC Spring 2026· Manchester, England, United Kingdom· 3 people
Your AI growth hire.
- rekursiv.aiYC Summer 2026· San Francisco, CA, USA· 5 people
Scale AI scientists whose own breakthroughs accelerate the next.
- Amorphic LabsYC Summer 2026· San Francisco, CA, USA· 2 people
OpenRouter for Agent Tools
- RindlerYC Summer 2026· Boston, MA, USA· 2 people
The IDE for Tokenmaxxers
- KebraYC Summer 2026· San Francisco, CA, USA· 2 people
AI For The Skilled Workforce
- PangoYC Summer 2026· New York City, NY, USA· 5 people
Agentic OS for e-commerce operations
- ErinysYC Summer 2026· San Francisco, CA, USA· 3 people
We help lawyers start and scale AI-native law firms.
- Perceptron MLYC Summer 2026· San Francisco, CA, USA· 2 people
We make law firms AI-native.
- Olam LabsYC Summer 2026· San Francisco, CA, USA· 2 people
Building multi-agent simulations for model evals and training.
- BelvedirYC Summer 2026· San Francisco, CA, USA· 2 people
The autonomous AI model factory
- TropeYC Summer 2026· San Francisco, CA, USA· 2 people
AI FDE that deploys custom AI agents into ERPs
- PalisadeYC Summer 2026· San Francisco, CA, USA· 1 people
AI-native sales agents that run marketplaces
- NebuSecYC Summer 2026· San Francisco, CA, USA· 4 people
Autonomous AI defense system for cyber attack
- ZommaYC Summer 2026· San Francisco, CA, USA· 5 people
The AI BPO for financial servies, run by computer-use agents
- MaingenYC Summer 2026· San Francisco, CA, USA· 2 people
Simulating Agents Running Industrial Companies
- StudioYC Summer 2026· San Francisco, CA, USA· 2 people
Accurately simulate market response at scale
- OrchestraYC Summer 2026· San Francisco, CA, USA· 2 people
Self-optimizing neocloud that cuts LLM costs by 100x
- SpekoYC Summer 2026· San Francisco, CA, USA· 4 people
OpenRouter for Voice AI: one API, every call on the best speech model
- LemonLimeYC Summer 2026· San Francisco, CA, USA· 5 people
Fully automated GTM for small business
- JcodeYC Summer 2026· San Francisco, CA, USA· 1 people
High performance coding agents
- IMPACT DronesYC Summer 2026· San Francisco, CA, USA· 2 people
Air Defense as a Service for Civilian Infrastructure.
- VerdantYC Summer 2026· San Francisco, CA, USA· 2 people
AI Agents to Make Local Gov Efficient
- BizmarkYC Summer 2026· San Francisco, CA, USA· 2 people
OpenClaw for manufacturers
- MosaicYC Summer 2026· San Francisco, CA, USA· 2 people
Defining the frontier of multiplayer AI.
- MochiYC Summer 2026· San Francisco, CA, USA· 3 people
Watch and create anime
- DeepReach Inc.YC Summer 2026· San Francisco, CA, USA· 6 people
Network for Physical AI Data Business
- GrocaloYC Summer 2026· Los Angeles, CA, USA· 2 people
AI brain for creators that runs their social content
- AudunYC Summer 2026· Oslo, Oslo, Norway· 5 people
AI-native debt collection company
- Context.devYC Summer 2026· San Francisco, CA, USA· 6 people
We give AI agents realtime web context via API
- ExosatYC Summer 2026· Singapore, Singapore· 3 people
Building a neutral, sovereign alternative to Starlink
- TouchmarkYC Summer 2026· San Francisco, CA, USA· 2 people
Market for future inference capacity
- ZaplarYC Summer 2026· Stockholm, Stockholm County, Sweden· 3 people
Agentic Hotel Operating System
- screenpipeYC Summer 2026· San Francisco, CA, USA· 2 people
Turn your company's computer work into AI agents.
- Alkera AIYC Summer 2026· San Francisco, CA, USA· 3 people
Reliable and safe data engineering and data science agents
- DefiniteYC Fall 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
CrowdStrike for AI Agents
- EliteYC Summer 2026· New York City, NY, USA· 2 people
Healthcare AI
- BloomyYC Summer 2026· San Francisco, CA, USA· 1 people
AI-native learning for every school
- Ooak DataYC Summer 2026· San Francisco, CA, USA· 5 people
We turn company data into training data
- ClickYC Summer 2026· San Francisco, CA, USA· 1 people
Research services for ChatGPT and Claude
- RationalYC Summer 2026· San Francisco, CA, USA· 2 people
First Zero-human Accounting Firm
- OmantaYC Summer 2026· San Francisco, CA, USA· 6 people
A research lab for one
- FabraixYC Summer 2026· San Francisco, CA, USA· 2 people
The world's frontier hacker of AI agents.
- QloYC Summer 2026· San Francisco, CA, USA· 2 people
Legora for commercial insurance carriers
- TenorYC Summer 2026· San Francisco, CA, USA· 3 people
Infrastructure for building and scaling AI-native businesses.
- DaqstraYC Summer 2026· San Francisco, CA, USA· 3 people
AI-native test infrastructure layer for hardware companies
- RisklyticsYC Summer 2026· San Francisco, CA, USA· 2 people
AI-Native Insurance for Frontier Tech
- ArbitalYC Summer 2026· San Francisco, CA, USA· 3 people
The social trading app for stocks, memes, and perps
- Moving AtomsYC Summer 2026· San Francisco, CA, USA· 2 people
Virtual Reality for Training Robots
- Ekho LabsYC Summer 2026· New York City, NY, USA· 0 people
World Model for Freight
- Isengard Industries IncYC Summer 2026· San Francisco, CA, USA· 30 people
Mass-produced AI strike systems and Counter-UAS
- ComputableYC Summer 2026· New York City, NY, USA· 2 people
Derivatives Exchange for Compute
- Luca IQYC Summer 2026· San Francisco, CA, USA· 5 people
API-first tax engine for CPA firms and developers
- Last Accounting CompanyYC Summer 2026· Helsinki, Finland· 4 people
AI-native accounting firm.
- ExecutorYC Summer 2026· San Francisco, CA, USA· 1 people
The open source tool gateway
- WaybillYC Summer 2026· Gurugram, HR, India· 3 people
Agentic procurement & inventory for deep tech teams.
- LumeriaYC Summer 2026· San Francisco, CA, USA· 3 people
Oura Ring for Skin
- Agnost AIYC Summer 2026· San Francisco, CA, USA· 2 people
We find where AI agents fail, then train better models to run them.
- AxelrodYC Summer 2026· San Francisco, CA, USA· 2 people
Hotels that run themselves
- DecaworkYC Summer 2026· San Francisco, CA, USA· 2 people
Training company-specific models that approve AI actions.
- PennantYC Summer 2026· New York City, NY, USA· 2 people
The World Model for Corporate Governance
- Lamb LabsYC Summer 2026· San Francisco, CA, USA· 0 people
Lightning fast chips with hardcoded AI models
- SkymerseYC Summer 2026· San Francisco, CA, USA
Autopilot for Flight Operations
- HyperProbeYC Summer 2026· San Francisco, CA, USA· 8 people
AI engineer that debugs and fixes production incidents in realtime
- TovenAIYC Summer 2026· San Francisco, CA, USA· 2 people
AI agents for compliance at institutional trading firms
- OpenRelayYC Summer 2026· San Francisco, CA, USA· 2 people
Distributed, hardware-agnostic AI inference
- PRINCEPSYC Summer 2026· London, England, United Kingdom· 2 people
AI-native insurance company for the compute economy
- FlorinYC Summer 2026· San Francisco, CA, USA· 3 people
Florin is an AI-native insurance company that runs autonomously
- LockeYC Summer 2026· San Francisco, CA, USA· 3 people
The AI-native firm for public influence.
- PetrarchYC Summer 2026· San Francisco, CA, USA· 3 people
Internal industrial company data for frontier labs
- OneCLIYC Summer 2026· San Francisco, CA, USA· 0 people
The open source AI teammates for your company.
- Dawn IndustriesYC Summer 2026· San Francisco, CA, USA· 2 people
Automatic Diagnosis & Fix for Industrial Automation Cells
- Autoresearch, Inc.YC Summer 2026· San Francisco, CA, USA· 3 people
Autoresearch as a service: we solve your hardest measurable problems
- RobocurveYC Summer 2026· San Francisco, CA, USA· 3 people
Evals for robots
- 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 that's killing Deloitte
- Grep AIYC Fall 2026· San Francisco, CA, USA· 6 people
Self-improving agents that automate tedious operational work
- CoArenaYC Summer 2026· San Francisco, CA, USA· 2 people
The biggest crowdsourced benchmark for Computer-Use
- Experiential LabsYC Summer 2026· San Francisco, CA, USA· 2 people
Open source AI gateway that turns your traffic into better models
- SimanticYC Fall 2026· Waterloo, ON, Canada· 4 people
Firmware simulation for AI agents
- ConiferYC Summer 2026· San Francisco, CA, USA· 4 people
Least cost routing system to reduce 70%+ token spend
- HueYC Fall 2026· San Francisco, CA, USA· 2 people
Test agents in realistic worlds built from production usage
- herdrYC Fall 2026· Ankara, Ankara, Turkey· 1 people
building the open agent runtime
- Sentient OSYC Fall 2026· San Francisco, CA, USA· 2 people
On-device AI that knows your entire life and does your work overnight.
- SigmaYC Fall 2026· San Francisco, CA, USA· 2 people
Lakehouse-as-a-Service (LaaS)
- FaradayYC Fall 2026· San Francisco, CA, USA· 2 people
Agents running industrial enterprises from back office to shop floor
- Viraj AeroYC Fall 2026· Remote
Next generation gas turbines for data centers & aviation
- ForwardYC Fall 2026· San Francisco, CA, USA· 4 people
Unifying Global Private Credit
- StacktraceYC Fall 2026· San Francisco, CA, USA· 3 people
See and control what your agents actually do
- Lantern AIYC Fall 2026· San Francisco, CA, USA· 4 people
Turn Your Taste Into Hires
- Munito AIYC Fall 2026· Paris, Île-de-France, France· 1 people
Open-model inference provider for Europe, private by default.
- Nodus ComputeYC Fall 2026· San Francisco, CA, USA· 2 people
Intelligent Cloud for AI workloads
- MirrorsYC Fall 2026· San Francisco, CA, USA· 2 people
Give AI agents the right instructions at the right moment
- BryelYC Fall 2026· San Francisco, CA, USA· 2 people
Building in-house, frontier AI labs for companies
- RiverYC Fall 2026· San Francisco, CA, USA· 2 people
The AI desktop.
- InvertixYC Fall 2026· Munich, BY, Germany· 8 people
Energy Superintelligence, AI that operates critical infrastructure
- Workers IOYC Fall 2026· San Francisco, CA, USA· 2 people
Simulation Environments for Verifying Mission Critical Software
- ORO AIYC Fall 2026· Vancouver, BC, Canada· 2 people
Continuously improving evals for agentic commerce
- PloidYC Fall 2026· San Francisco, CA, USA· 2 people
The people data company for the agent era
- Primordiant (Formerly SuperRadiant)YC Fall 2026· San Francisco, CA, USA· 3 people
Embodied Scientific Intelligence
- RysticYC Fall 2026· San Francisco, CA, USA· 2 people
API simulators for testing and training agents locally
- VoreliosYC Fall 2026· San Francisco, CA, USA· 2 people
A foundation model for engineering physics
- Dreamscale LabsYC Fall 2026· San Francisco, CA, USA· 4 people
Real-time cloud inference for robotics.
- Resin TechnologiesYC Fall 2026· San Francisco, CA, USA· 0 people
Resin helps engineers design electronics faster and more reliably
- NativeYC Fall 2026· San Francisco, CA, USA· 6 people
Artificial Intuition for marketing
- antimattrYC Fall 2026· San Francisco, CA, USA· 2 people
voice-first hardware interface for human-agent interaction
- UXDuckYC Fall 2026· San Francisco, CA, USA· 1 people
Android for drones
- Sona8YC Fall 2026· San Francisco, CA, USA· 5 people
Context layer for enterprise AI surveying employees with voice agents
- ComposalYC Fall 2026· London, England, United Kingdom· 3 people
Swarms of agents acting like users to find bugs before release
- FrontrunnerYC Fall 2026· San Francisco, CA, USA· 2 people
Cursor for GTM
- DecentYC Fall 2026· San Francisco, CA, USA· 2 people
Your health plan should get better year-round. Not just once a year.
- CyclonYC Fall 2026· San Francisco, CA, USA· 2 people
a phone where AI is the interface
- AgeospatialYC Fall 2026· San Francisco, CA, USA· 1 people
Physical intelligence for every decision with Geospatial AI.
- The Agentic Data Co.YC Fall 2026· San Francisco, CA, USA· 2 people
Training Data For Speech Models.
- LarkYC Fall 2026· San Francisco, CA, USA· 2 people
Lark - AI agents that automate workflows for wholesale distributors
- OpenHackYC Fall 2026· San Francisco, CA, USA· 1 people
Always-on AI security engineer
- SintropixYC Fall 2026· Santiago, Santiago Metropolitan Region, Chile· 2 people
Autonomous accounting platform for global companies
- WillowYC Spring 2025· San Francisco, CA, USA· 7 people
The voice interface replacing your keyboard
- StormyYC Summer 2025· San Francisco, CA, USA· 5 people
Stormy runs the office so your crew can run the work.
- 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
- 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
- DextoYC Winter 2025· San Francisco, CA, USA· 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· Miami, FL, USA· 2 people
How elite law firms do intake
- WeaveYC Winter 2025· San Francisco, CA, USA· 16 people
AI to understand and then route engineering work
- LadderYC Winter 2025· San Francisco, CA, USA· 2 people
AI personal assistant for in-home sales
- AdamYC Winter 2025· San Francisco, CA, USA· 4 people
AI Powered CAD
- 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· 24 people
Platform and marketplace for RL environments and AI data
- AsteroidYC Winter 2025· San Francisco, CA, USA· 6 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.
- StillwindYC Winter 2025· Zürich, ZH, Switzerland· 3 people
PCB component librarian
- 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