LimnionTelemetry storage for the agentic era.team of 3YC F26·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCF26 |
MaritimeThe managed cloud for AI agents.team of 3YC F26·Active·AI, Devtools | AI, Devtools | Active | YCF26 |
PapayaContinuously improve the quality of your AI agents.team of 3YC F26·Active·AI, Devtools | AI, Devtools | Active | YCF26 |
PetrichorWet lab infrastructure that turns AI experiments into training data.team of 3YC F26·Active·AI | AI | Active | YCF26 |
Polemos IndustriesAI-guided ballistic missiles, built for mass manufacturingteam of 3YC F26·Active·AI | AI | Active | YCF26 |
PreloadSensorimotor context for physical AIteam of 3YC F26·Active·AI | AI | Active | YCF26 |
PrimordiantEmbodied Scientific Intelligenceteam of 3YC F26·Active·AI | AI | Active | YCF26 |
RomaRoma is the to-do list that does itselfteam of 3YC F26·Active·AI | AI | Active | YCF26 |
RouterPlusMarketplace for AI inference: the right model at the best priceteam of 3YC F26·Active·AI, Devtools | AI, Devtools | Active | YCF26 |
StacktraceSee and control what your agents actually doteam of 3YC F26·Active·AI, Devtools | AI, Devtools | Active | YCF26 |
SuperserveVirtual machines for long-running agentsteam of 3YC F26·Active·AI, Devtools | AI, Devtools | Active | YCF26 |
TalosPredictive maintenance for power infrastructure.team of 3YC F26·Active·AI | AI | Active | YCF26 |
VersineLet your agents send and receive money. We're Venmo for agents.team of 3YC F26·Active·AI | AI | Active | YCF26 |
VexoAn AI bracelet that remembers your day and acts before you ask.team of 3YC F26·Active·AI | AI | Active | YCF26 |
YamAI-powered dating sims for womenteam of 3YC F26·Active·AI | AI | Active | YCF26 |
AlmanacOrganizing company knowledgeteam of 3YC S26·Active·AI | AI | Active | YCS26 |
ArbitalThe social trading app for stocks, memes, and perpsteam of 3YC S26·Active·AI | AI | Active | YCS26 |
Atlas DiscoveryAI-native pharma companyteam of 3YC S26·Active·AI | AI | Active | YCS26 |
Autoresearch, Inc.Autoresearch as a service: we solve your hardest measurable problemsteam of 3YC S26·Active·AI, Devtools | AI, Devtools | Active | YCS26 |
BearAI-native accounting firm.team of 3YC S26·Active·AI | AI | Active | YCS26 |
CueBenchRL post-training for science reasoning and performance engineeringteam of 3YC S26·Active·AI, Data | AI, Data | Active | YCS26 |
DaqstraAI-native test infrastructure layer for hardware companiesteam of 3YC S26·Active·AI | AI | Active | YCS26 |
Dialogusvoice AI agents that learn how your company actually worksteam of 3YC S26·Active·AI, Devtools | AI, Devtools | Active | YCS26 |
ErinysWe help lawyers start and scale AI-native law firms.team of 3YC S26·Active·AI | AI | Active | YCS26 |
ExosatBuilding a neutral, sovereign alternative to Starlinkteam of 3YC S26·Active·AI | AI | Active | YCS26 |
FlorinFlorin is an AI-native insurance company that runs autonomouslyteam of 3YC S26·Active·AI | AI | Active | YCS26 |
Frontier ComputingFrontier grows scalable biological brains as an ML training substrateteam of 3YC S26·Active·AI | AI | Active | YCS26 |
Illume Labs24/7 Personal Health & Longevity Companionteam of 3YC S26·Active·AI | AI | Active | YCS26 |
InkboxThe identity and communication layer for AI agentsteam of 3YC S26·Active·AI, Devtools | AI, Devtools | Active | YCS26 |
InsurfThe AI-Native Decision Layer for Health Insuranceteam of 3YC S26·Active·AI | AI | Active | YCS26 |
LumeriaOura Ring for Skinteam of 3YC S26·Active·AI | AI | Active | YCS26 |
MarkerPlatform + FDEs that rebuild enterprises agent-firstteam of 3YC S26·Active·AI | AI | Active | YCS26 |
Moonshotagents for the rest of usteam of 3YC S26·Active·AI | AI | Active | YCS26 |
NeuromorphicBuilding robots to automate wetlabsteam of 3YC S26·Active·AI | AI | Active | YCS26 |
OpenTagModel Agnostic AI coworker in Slackteam of 3YC S26·Active·AI | AI | Active | YCS26 |
PetrarchAdvancing model capabilities for critical infrastructureteam of 3YC S26·Active·AI, Data | AI, Data | Active | YCS26 |
Praxis RoboticsTurns real businesses into robotics data vendorsteam of 3YC S26·Active·AI | AI | Active | YCS26 |
PrizedA cloud devbox that feels localteam of 3YC S26·Active·AI, Devtools | AI, Devtools | Active | YCS26 |
RasynMaking chemicals 100,000x fasterteam of 3YC S26·Active·AI | AI | Active | YCS26 |
RobocurveEvals for robotsteam of 3YC S26·Active·AI, Devtools | AI, Devtools | Active | YCS26 |
TokenlessWe find flaws in RL environments and evals and help you fix them.team of 3YC S26·Active·AI, Devtools | AI, Devtools | Active | YCS26 |
WaybillAgentic procurement & inventory for deep tech teams.team of 3YC S26·Active·AI | AI | Active | YCS26 |
WonderTxExtrapolative AI to unlock First-in-Class drugsteam of 3YC S26·Active·AI | AI | Active | YCS26 |
Advanced Metal ResearchMachine intelligence for American Weldingteam of 3YC X26·Active·AI | AI | Active | YCX26 |
AndcoAgents that build personal injury casesteam of 3YC X26·Active·AI | AI | Active | YCX26 |
AuxosSimulations of real people for market researchteam of 3YC X26·Active·AI | AI | Active | YCX26 |
CohesionModern Intelligence for Financeteam of 3YC X26·Active·AI | AI | Active | YCX26 |
FuchsiaVanta for hardwareteam of 3YC X26·Active·AI | AI | Active | YCX26 |
GBrainA personal or team assistant that works while you sleepteam of 3YC X26·Active·AI | AI | Active | YCX26 |
HessianForward-deployed AI Agentsteam of 3YC X26·Active·AI | AI | Active | YCX26 |
InthPrivacy and consent infrastructure that ships with your codeteam of 3YC X26·Active·AI, Devtools | AI, Devtools | Active | YCX26 |
KorsoIn Developmentteam of 3YC X26·Active·AI, Devtools | AI, Devtools | Active | YCX26 |
LinzumiTeam chat to command all your company's coding agentsteam of 3YC X26·Active·AI, Devtools | AI, Devtools | Active | YCX26 |
MasterpieceWorking capital for data companies training frontier AIteam of 3YC X26·Active·AI | AI | Active | YCX26 |
OntoraAI agents that interviews every employee to hand context to AI tools.team of 3YC X26·Active·AI | AI | Active | YCX26 |
OpenProseAn open-source operating system for reliable long-running agentsteam of 3YC X26·Active·AI, Devtools | AI, Devtools | Active | YCX26 |
PairioAI mobile app that helps factory technicians fix broken machinesteam of 3YC X26·Active·AI | AI | Active | YCX26 |
PanaceaAI-Native FDA Regulatory Servicesteam of 3YC X26·Active·AI | AI | Active | YCX26 |
Paper StarLong-horizon agents for teamsteam of 3YC X26·Active·AI | AI | Active | YCX26 |
PrismAI-native recruiting agencyteam of 3YC X26·Active·AI | AI | Active | YCX26 |