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Startups.

Companies

Every startup from YC, 500 Global, Plug and Play and 6 more programs, newest cohort first, with program, category and status

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598 companies · 391 AI, 598 data, 187 devtools

CompanyProgram
BuildboxAgent analytics for real user outcomesActiveAI, DataYCF26
Kailash LabsA factory for small and specialized video reasoning modelsActiveAI, DataYCF26
LyonFoundation models on enterprise transaction data.ActiveAI, DataYCF26
Perit.AIExpert-led data and RL platform for AI labsActiveAI, DataYCF26
TrueMileAI agents that run trucking operations.ActiveAI, DataYCF26
Agnost AIWe find where AI agents fail, then train better models to run them.ActiveAI, Data, DevtoolsYC +1S26
Alkera AIReliable and safe data engineering and data science agentsActiveAI, Data, DevtoolsYCS26
AtliaThe AI-native property management company for short-term rentalsActiveAI, DataYCS26
ClickResearch services for ChatGPT and ClaudeActiveAI, Data, DevtoolsYCS26
CoArenaThe biggest crowdsourced benchmark for Computer-UseActiveAI, Data, DevtoolsYCS26
CueBenchRL post-training for science reasoning and performance engineeringActiveAI, DataYCS26
DatoricThe secure training data R&D engine for physical AIActiveAI, DataYCS26
Hebbian RoboticsAPIs for robotics data teams to verify data quality for model trainingActiveAI, DataYCS26
LATOPredict how market participants behaveActiveAI, DataYCS26
LitmusEvals for humansActiveAI, DataYCS26
MagmaMonetize your agent's traces.ActiveAI, Data, DevtoolsYCS26
MaingenSimulating Agents Running Industrial CompaniesActiveAI, DataYCS26
MarkovExpert computer-use data for frontier AI labsActiveAI, Data, DevtoolsYCS26
Moving AtomsVirtual Reality for Training RobotsActiveAI, DataYCS26
Olam LabsBuilding multi-agent simulations for model evals and training.ActiveAI, DataYCS26
OsseusThe frontier data platform for aligned health and biological AIActiveAI, DataYCS26
PetrarchInternal industrial company data for frontier labsActiveDataYCS26
Poth LabsThe customer brain that connects data to explain customer behaviorActiveAI, DataYCS26
StudioAccurately simulate market response at scaleActiveAI, DataYCS26
AmborasAI Native ShopifyActiveAI, Data, DevtoolsYCX26
ArdentDatabase sandboxes for AgentsActiveAI, Data, DevtoolsYCX26
BioStack PlatformsReal world training envs for healthcare AI modelsActiveAI, DataYCX26
ForesightConsumer simulations for CPG market researchActiveAI, DataYCX26
GigacatalystAI-first embedded analytics and reports for customer successActiveAI, Data, DevtoolsYCX26
HarborAI-native CRO for clinical trial operationsActiveAI, DataYCX26
HubReal-world training data for frontier AI labs and robotics.ActiveAI, Data, DevtoolsYCX26
KuliAI coworker for marketing teams at the largest consumer brandsActiveAI, DataYCX26
NetterAI native Palantir for mid market.ActiveAI, DataYCX26
PLAN0 AIConstruction Cost Intelligence.ActiveAI, Data, DevtoolsYCX26
Synphonyrobots & software for farmsActiveAI, DataYCX26
Alt-XBuilding the best venue for private markets exposure.ActiveAI, DataYCW26
AshrEnterprise post-training, monitoring, and continual learning platformActiveAI, DataYCW26
CaptainSelf-tuning file search for AI agentsActiveAI, Data, DevtoolsYCW26
Constellation SpaceAI operating system for mega-scale satellite networks.ActiveAI, DataYCW26
CorveraThe AI sales engine for CPG brandsActiveAI, DataYCW26
End CloseAI powered reconciliation for high-volume payments companiesActiveAI, Data, DevtoolsYCW26
LaurenceQuantitative research for autonomous e-commerce growthActiveDataYCW26
MenzaThe AI data analyst for consumer brandsActiveAI, DataYCW26
PranaAn AI primary care doctor in your pocketActiveAI, DataYCW26
ShofoThe World's Largest Video LibraryActiveAI, Data, DevtoolsYCW26
SitefireMarketing suite for the agentic webActiveAI, DataYCW26
Velum LabsThe OS for data quality across any stackActiveAI, DataYCW26
AtlasGridAccelerate Product IterationActiveAI, DataYCF25
BronTikTok for Sports TradingActiveAI, DataYCF25
CrunchedExcel AI analyst for Power UsersActiveAI, DataYCF25
DiligenceSquaredAI-powered market due diligence for investment decisionsActiveAI, DataYCF25
HyperspellYour Company BrainActiveAI, Data, DevtoolsYCF25
LemmaProduction Monitoring for AI agentsActiveAI, Data, DevtoolsYCF25
ParseBuild an API to interact with any website.ActiveData, DevtoolsYCF25
s2.devAPI for unlimited, durable, real-time streamsActiveAI, Data, DevtoolsYCF25
SciloopExpert STEM reasoning data for frontier AI labs.ActiveAI, Data, DevtoolsYCF25
The Context CompanyFind what's losing you customers and money in your AI agent and fix itActiveAI, Data, DevtoolsYCF25
UplaneReplace marketing agencies with AIActiveAI, DataYCF25
VelvetWorld model datasets and researchActiveAI, DataYCF25
ZavoUnlocking the world’s most valuable data for frontier AI.ActiveAI, DataYCF25

Sources: each program's public company list, read twice a week. Not affiliated with Y Combinator or any other program. Logos via logo.dev; trademarks belong to their owners.

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