YC companies
6,246 companies3,033 AI454 data1,309 devtools821 acquired1,079 inactive
Hebbian RoboticsS26APIs for robotics data teams to verify data quality for model trainingActive2
HERAS26We make sure every factory in the world builds without mistakes.Active2
hiloopS26Autoresearch as a service: we solve your hardest measurable problemsActive2
HilstartS26Autonomous Hardware TestingActive
Hop AeroS26Rocket cargo delivery to contested environmentsActive6
HopliteS26Effortlessly deploy cloud software factories.Active2
HubbleS26AI-native retrieval engine for medical recordsActive2
HyperProbeS26AI engineer that debugs and fixes production incidents in realtimeActive8
Illume LabsS2624/7 Personal Health & Longevity CompanionActive3
IMPACT DronesS26Air Defense as a Service for Civilian Infrastructure.Active2
Induction LabsS26Building intellectually curious AIActive2
InkboxS26The identity and communication layer for AI agentsActive3
InstaplayS26AI-native gaming platform turning every game into an RL environmentActive3
InsurfS26The AI-Native Decision Layer for Health InsuranceActive3
Isengard Industries IncS26Mass-produced AI strike systems and Counter-UASActive30
JcodeS26High performance coding agentsActive1
KaraS26Making Diamond SemiconductorsActive2
KebraS26AI For The Skilled WorkforceActive2
Lamb LabsS26Lightning fast chips with hardcoded AI modelsActive
Last Accounting CompanyS26AI-native accounting firm.Active4
LATOS26Predict how market participants behaveActive2
LemonLimeS26Fully automated GTM for small businessActive5
Levocred AIS26The Bloomberg of LoansActive2
Libra RoboticsS26Robotic crews for large-scale infrastructure constructionActive2
LitmusS26Evals for humansActive3
LockeS26Locke powers agentic government work.Active2
Luca IQS26API-first tax engine for CPA firms and developersActive2
LumeriaS26Oura Ring for SkinActive3
machine0S26AWS for AgentsActive1
MagmaS26Monetize your agent's traces.Active1
MaingenS26Simulating Agents Running Industrial CompaniesActive2
ManifoldS26Drop-in robotic labor that works on Day 1Active2
MarbleS26The autonomous back-of-house for restaurants.Active2
MarengoS26AI-Native Engineering Firm designing Data CentersActive5
MarkerS26Platform + FDEs that rebuild enterprises agent-firstActive3
MarkovS26Expert computer-use data for frontier AI labsActive2
Mass MagneticsS26USA-made magnetics for robotics and defense.Active3
MentlioS26Engineering Intelligence and Token Optimization for the AI-Coding EraActive
MeteoricS26Drones that clear clouds over solar farms and weaken hurricanesActive2
MireyeS26Search Engine for the Physical WorldActive2
MochiS26Watch and create animeActive3
MolagriS26Resistance free pesticides.Active4
MoonshotS26agents for the rest of usActive3
MosaicS26Defining the frontier of multiplayer AI.Active2
Most RoboticS26Research lab building the most robotic household in the worldActive2
Moving AtomsS26Virtual Reality for Training RobotsActive2
NebuSecS26Autonomous AI defense system for cyber attackActive4
NeuromorphicS26Building robots to automate wetlabsActive3
Neuron IndustriesS26Industrial Controllers built for AIActive2
NexS26AI for high volume GTM EngineeringActive5
NoriS26The most capable American-made humanoid robot for $1,688Active5
Olam LabsS26Building multi-agent simulations for model evals and training.Active2
OmantaS26A research lab for oneActive6
OneCLIS26The open source AI teammates for your company.Active
OneTriangleS26The cheapest, fastest inference cloudActive4
Ooak DataS26We turn company data into training dataActive5
OpenRelayS26Distributed, hardware-agnostic AI inferenceActive2
OpenTagS26Model Agnostic AI coworker in SlackActive3
OpenVectorS26AI that turns any camera to an autonomous worker with real-time visionActive4
OrchestraS26Self-optimizing neocloud that cuts LLM costs by 100xActive2
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