Top accelerator startups

14,448 startups · 29 programs

YC Summer 2025

166 companies · 92% AI · 19 data · 50 devtools · started Jun 2025

The S25 companies

AINox MetalsSupplying America's Industrial BaseYC S25DetroitStartup →AIFlaiWe Bring Customers to Your DealershipYC S25San FranciscoStartup →AIAcquiredMetisInfrastructure to build reliable agentsYC S25San FranciscoStartup →AIGETASAPAI-Native Fresh Produce LogisticsYC S25San FranciscoStartup →AItruthsystemsAutomatically blocking risky behavior with real-time governance agentsYC S25San FranciscoStartup →AIHalluminateData and RL environments to automate knowledge workYC S25San FranciscoStartup →AISocratix AIAI coworkers for fraud and compliance teams.YC S25San FranciscoStartup →AIVulcan TechnologiesSecure frontier AI for government & adjacent knowledge workYC S25AustinStartup →AIF2The AI platform for private markets investorsYC S25New York CityStartup →AIFreyaVoice AI for EnterprisesYC S25IstanbulStartup →AILanesurfBook any load in 10 minutesYC S25San FranciscoStartup →AIidlerHill-climb any benchmark, for any model, in any domain.YC S25San FranciscoStartup →AIFleetlineOptimizing fleet planning with data driven algorithmsYC S25New York CityStartup →AIAgentMailEmail Inboxes for AI AgentsYC S25San FranciscoStartup →AIFintoAI accounting for enterprise finance teamsYC S25MunichStartup →AIMagneticAI Tax Preparer for CPA firmsYC S25San FranciscoStartup →AIReacherWe automate creator marketing for the world's largest brandsYC S25San FranciscoStartup →AIVeritusAI agents for the consumer lending industryYC S25San FranciscoStartup →AIAlturVoice AI Agents for Debt CollectionYC S25Mexico CityStartup →AIKERNELCrazy fast, open source infra for AI agents to use the InternetYC S25San FranciscoStartup →AIAcquiredNexa LabsImplantable microchips and AI for cattle monitoringYC S25San FranciscoStartup →AIAcquiredOpennoteThe notebook that thinks with you.YC S25San FranciscoStartup →AIWaferAI that makes AI fastYC S25San FranciscoStartup →AIComenaAI agents for distributors and manufacturers to automate order entry.YC S25BYStartup →AIDedalus LabsPersistent computers for AI agentsYC S25San FranciscoStartup →AIInterfereGive engineering, product, and design teams insight into unseen issuesYC S25New York CityStartup →AIVerne RoboticsAI models that teach robots new skills in hoursYC S25SacramentoStartup →AIBlueAI rebuilt coding. We’re rebuilding the phoneYC S25San FranciscoStartup →AILuminalMaking AI run fast on any hardware.YC S25San FranciscoStartup →AINautilusAI platform to grow and to optimize car washesYC S25San FranciscoStartup →OtherSolvaBuilding the new superintelligence for insuranceYC S25New York CityStartup →AIThe Prompting CompanyWe help products get discovered & used by AI agents.YC S25San FranciscoStartup →OtherAlbacore Inc.Drone submarinesYC S25PhiladelphiaStartup →AIGhostEyeYour always-on red team.YC S25New York CityStartup →AINixoMake every FDE on your team capable of moving any account forward.YC S25San FranciscoStartup →AINOSO LABSAGI for home serviceYC S25San FranciscoStartup →AIOnDeck AIAnalyze any footage, without training a modelYC S25VancouverStartup →AIAutumnBilling infrastructure for AIYC S25LondonStartup →AIAventAI agents for industrial commerceYC S25San FranciscoStartup →AIChannel3Database of every product on the internetYC S25New York CityStartup →AIHeraThe AI-native creative canvasYC S25BerlinStartup →AIManufactCloud infrastructure for MCP servers and Claude / ChatGPT plugins.YC S25San FranciscoStartup →AITesoraFrontier AI for ActuariesYC S25San FranciscoStartup →AIWaylineAI voice for property managersYC S25San FranciscoStartup →AIDuraniumReshoring critical metal productionYC S25San FranciscoStartup →OtherRuvoThe Global Dollar App for BrazilYC S25São PauloStartup →AIAmbralAI for account management and customer successYC S25New York CityStartup →AIDeepAware AI (Robotics Center of Silicon Valley)Robots, parts & RL envs & evals - delivered in 48 hrs / pickup in SF.YC S25San FranciscoStartup →AIFlootThe app platform inside Claude and ChatGPT.YC S25San FranciscoStartup →AIImpreziaThe World's First AI Ad Network.YC S25San FranciscoStartup →AILocataAI Referral Automation for Primary Care ClinicsYC S25New York CityStartup →AINovaflowThe AI data analyst for biology labsYC S25San FranciscoStartup →AINozomiocreators of folk.comYC S25San FranciscoStartup →AIProcIndexAI-powered accounting automation for construction and manufacturingYC S25San FranciscoStartup →AISiraAI Native Rippling for Deskless WorkersYC S25San FranciscoStartup →AITraceRoot.AIThe open-source platform that continuously improves your ai agentsYC S25San FranciscoStartup →Othercocreatevideo production softwareYC S25San FranciscoStartup →AIPreseenThe AI forecasting company for global macro events.YC S25San FranciscoStartup →AIb12 LabsMaking hard molecules for Pharma and BiotechYC S25San FranciscoStartup →AIBootLoopFirmware in minutes, not months - rigorously tested on real hardwareYC S25San FranciscoStartup →AIburntAgentic Operating System for Food Supply ChainYC S25San FranciscoStartup →AIConvictionAnyone Can TradeYC S25San FranciscoStartup →OtherDeepGroveFrontier Intelligence. On Any Device.YC S25San FranciscoStartup →AIEffiGovThe AI OS for CitiesYC S25San FranciscoStartup →AIPangolinOpen networking and security for your workforce, AI agents, and infraYC S25New York CityStartup →OtherPerseus DefenseAmerica's Golden Dome for DronesYC S25AustinStartup →AIUplift AIFoundational Voice Models for regional languagesYC S25San FranciscoStartup →AICactus ComputeAutomation Foundation Models For Tiny DevicesYC S25San FranciscoStartup →AICertus AIReplacing the restaurant phone line with Voice AIYC S25San FranciscoStartup →OtherCostreamIndexing human dialogue through digital productsYC S25San FranciscoStartup →AIRisely AIAI agents that automate administrative work across college campuses.YC S25San FranciscoStartup →AIGolpoCreate Whiteboard Explainer Videos with AI from a Prompt or DocumentYC S25StocktonStartup →OtherRealRootsIRL friendship app for womenYC S25San FranciscoStartup →AICareSwiftAI scribe for Ambulance ReportsYC S25New York CityStartup →AIKalindaDeep research for class action law firmsYC S25San FranciscoStartup →AIMangoDeskLong-horizon RL environmentsYC S25San FranciscoStartup →AIOneStopThe local internet for NYC.YC S25New York CityStartup →AIOrange SliceAgentic sales enrichment spreadsheetYC S25San FranciscoStartup →OtherSynthetic SocietySynthetic Videos to Power MarketingYC S25New York CityStartup →AIWedgeAI Employees for HealthcareYC S25San FranciscoStartup →AIBlank BioRNA intelligence for precision medicineYC S25San FranciscoStartup →AIEmbedderAutonomous Firmware EngineerYC S25San FranciscoStartup →AIKnowlifyDone-for-you AI video paid ads and Meta campaign managementYC S25San FranciscoStartup →AILiva AIBuilding socially intelligent AIYC S25San FranciscoStartup →AIAstorYour personal investing agentYC S25San FranciscoStartup →AIAutosanaAI agents for E2E testing across mobile & webYC S25San FranciscoStartup →AIF4 IndustriesThe GD&T Analysis Platform for Engineering DrawingsYC S25San FranciscoStartup →AIHumoniqAirline customer service, fully automated.YC S25San FranciscoStartup →AIJanet AIAgents that learn your company and work 24/7YC S25San FranciscoStartup →AILarkThe E2E testing layer for AI-driven developmentYC S25San FranciscoStartup →AINotteBrowser infra for AI agents: sessions, auth, proxies, paymentsYC S25San FranciscoStartup →AIPerspectives HealthAI to run behavioral health programs betterYC S25ChicagoStartup →AIStormyStormy runs the office so your crew can run the work.YC S25San FranciscoStartup →AIConvexiaThe world's first AI-maximalist pharma companyYC S25San FranciscoStartup →AILilacWe sell GPUs.YC S25San FranciscoStartup →OtherMunifyThe Cross-Border Neobank for the Middle EastYC S25OrlandoStartup →AINormalApplied research lab for hardware designYC S25San FranciscoStartup →AIOmnaraThe Open-Source Alternative to Claude Managed AgentsYC S25San FranciscoStartup →AIPingoYour personal AI for language learningYC S25San FranciscoStartup →AISerafisDeep intelligence for private marketsYC S25San FranciscoStartup →
Company
Nox MetalsSupplying America's Industrial Baseteam of 52hiringActiveAI
FlaiWe Bring Customers to Your Dealershipteam of 40hiringActiveAI
MetisInfrastructure to build reliable agentsteam of 13acquiredAcquiredAI
GETASAPAI-Native Fresh Produce Logisticsteam of 30hiringActiveAI
truthsystemsAutomatically blocking risky behavior with real-time governance agentsteam of 62 programsActiveAI, Devtools
HalluminateData and RL environments to automate knowledge workteam of 52 programsActiveAI
Socratix AIAI coworkers for fraud and compliance teams.team of 52 programsActiveAI
Vulcan TechnologiesSecure frontier AI for government & adjacent knowledge workteam of 17hiringActiveAI, Data
F2The AI platform for private markets investorsteam of 15hiringActiveAI, Devtools
FreyaVoice AI for Enterprisesteam of 14hiringActiveAI
LanesurfBook any load in 10 minutesteam of 14hiringActiveAI
idlerHill-climb any benchmark, for any model, in any domain.team of 12hiringActiveAI, Devtools
FleetlineOptimizing fleet planning with data driven algorithmsteam of 11hiringActiveAI, Data
AgentMailEmail Inboxes for AI Agentsteam of 10hiringActiveAI, Devtools
FintoAI accounting for enterprise finance teamsteam of 10hiringActiveAI
MagneticAI Tax Preparer for CPA firmsteam of 10hiringActiveAI, Devtools
ReacherWe automate creator marketing for the world's largest brandsteam of 10hiringActiveAI
VeritusAI agents for the consumer lending industryteam of 10hiringActiveAI
AlturVoice AI Agents for Debt Collectionteam of 9hiringActiveAI
KERNELCrazy fast, open source infra for AI agents to use the Internetteam of 22ActiveAI, Devtools
Nexa LabsImplantable microchips and AI for cattle monitoringacquiredteam of 3AcquiredAI
OpennoteThe notebook that thinks with you.acquiredteam of 3AcquiredAI
WaferAI that makes AI fastteam of 21ActiveAI, Devtools
ComenaAI agents for distributors and manufacturers to automate order entry.team of 8hiringActiveAI
Dedalus LabsPersistent computers for AI agentsteam of 8hiringActiveAI, Devtools
InterfereGive engineering, product, and design teams insight into unseen issuesteam of 8hiringActiveAI, Devtools
Verne RoboticsAI models that teach robots new skills in hoursteam of 8hiringActiveAI
BlueAI rebuilt coding. We’re rebuilding the phoneteam of 7hiringActiveAI
LuminalMaking AI run fast on any hardware.team of 7hiringActiveAI, Devtools
NautilusAI platform to grow and to optimize car washesteam of 7hiringActiveAI
SolvaBuilding the new superintelligence for insuranceteam of 7hiringActiveOther
The Prompting CompanyWe help products get discovered & used by AI agents.team of 7hiringActiveAI
Albacore Inc.Drone submarinesteam of 18ActiveOther
GhostEyeYour always-on red team.team of 6hiringActiveAI
NixoMake every FDE on your team capable of moving any account forward.team of 6hiringActiveAI
NOSO LABSAGI for home serviceteam of 6hiringActiveAI
OnDeck AIAnalyze any footage, without training a modelteam of 6hiringActiveAI, Data
AutumnBilling infrastructure for AIteam of 5hiringActiveAI, Data, Devtools
AventAI agents for industrial commerceteam of 5hiringActiveAI
Channel3Database of every product on the internetteam of 5hiringActiveAI
HeraThe AI-native creative canvasteam of 5hiringActiveAI
ManufactCloud infrastructure for MCP servers and Claude / ChatGPT plugins.team of 5hiringActiveAI, Devtools
TesoraFrontier AI for Actuariesteam of 5hiringActiveAI, Devtools
WaylineAI voice for property managersteam of 5hiringActiveAI
DuraniumReshoring critical metal productionteam of 12ActiveAI
RuvoThe Global Dollar App for Brazilteam of 11ActiveOther
AmbralAI for account management and customer successteam of 4hiringActiveAI
DeepAware AI (Robotics Center of Silicon Valley)Robots, parts & RL envs & evals - delivered in 48 hrs / pickup in SF.team of 4hiringActiveAI, Data
FlootThe app platform inside Claude and ChatGPT.team of 4hiringActiveAI, Devtools
ImpreziaThe World's First AI Ad Network.team of 4hiringActiveAI
LocataAI Referral Automation for Primary Care Clinicsteam of 4hiringActiveAI, Devtools
NovaflowThe AI data analyst for biology labsteam of 4hiringActiveAI, Data
Nozomiocreators of folk.comteam of 4hiringActiveAI
ProcIndexAI-powered accounting automation for construction and manufacturingteam of 4hiringActiveAI
SiraAI Native Rippling for Deskless Workersteam of 4hiringActiveAI
TraceRoot.AIThe open-source platform that continuously improves your ai agentsteam of 4hiringActiveAI, Devtools
cocreatevideo production softwareteam of 10ActiveOther
PreseenThe AI forecasting company for global macro events.2 programsActiveAI, Data
b12 LabsMaking hard molecules for Pharma and Biotechteam of 3hiringActiveAI
BootLoopFirmware in minutes, not months - rigorously tested on real hardwareteam of 3hiringActiveAI, Devtools
burntAgentic Operating System for Food Supply Chainteam of 3hiringActiveAI
ConvictionAnyone Can Tradeteam of 3hiringActiveAI
DeepGroveFrontier Intelligence. On Any Device.team of 3hiringActiveOther
EffiGovThe AI OS for Citiesteam of 3hiringActiveAI
PangolinOpen networking and security for your workforce, AI agents, and infrateam of 3hiringActiveAI, Devtools
Perseus DefenseAmerica's Golden Dome for Dronesteam of 3hiringActiveOther
Uplift AIFoundational Voice Models for regional languagesteam of 3hiringActiveAI
Cactus ComputeAutomation Foundation Models For Tiny Devicesteam of 8ActiveAI, Devtools
Certus AIReplacing the restaurant phone line with Voice AIteam of 8ActiveAI
CostreamIndexing human dialogue through digital productsteam of 8ActiveOther
Risely AIAI agents that automate administrative work across college campuses.team of 8ActiveAI
GolpoCreate Whiteboard Explainer Videos with AI from a Prompt or Documentteam of 7ActiveAI
RealRootsIRL friendship app for womenteam of 7ActiveOther
CareSwiftAI scribe for Ambulance Reportsteam of 2hiringActiveAI
KalindaDeep research for class action law firmsteam of 2hiringActiveAI
MangoDeskLong-horizon RL environmentsteam of 2hiringActiveAI
OneStopThe local internet for NYC.team of 2hiringActiveAI
Orange SliceAgentic sales enrichment spreadsheetteam of 2hiringActiveAI, Devtools
Synthetic SocietySynthetic Videos to Power Marketingteam of 2hiringActiveOther
WedgeAI Employees for Healthcareteam of 2hiringActiveAI
Blank BioRNA intelligence for precision medicineteam of 6ActiveAI
EmbedderAutonomous Firmware Engineerteam of 6ActiveAI, Devtools
KnowlifyDone-for-you AI video paid ads and Meta campaign managementteam of 6ActiveAI
Liva AIBuilding socially intelligent AIteam of 6ActiveAI, Data
AstorYour personal investing agentteam of 5ActiveAI
AutosanaAI agents for E2E testing across mobile & webteam of 5ActiveAI, Devtools
F4 IndustriesThe GD&T Analysis Platform for Engineering Drawingsteam of 5ActiveAI
HumoniqAirline customer service, fully automated.team of 5ActiveAI
Janet AIAgents that learn your company and work 24/7team of 5ActiveAI
LarkThe E2E testing layer for AI-driven developmentteam of 5ActiveAI, Devtools
NotteBrowser infra for AI agents: sessions, auth, proxies, paymentsteam of 5ActiveAI, Devtools
Perspectives HealthAI to run behavioral health programs betterteam of 5ActiveAI
StormyStormy runs the office so your crew can run the work.team of 5ActiveAI
ConvexiaThe world's first AI-maximalist pharma companyteam of 4ActiveAI
LilacWe sell GPUs.team of 4ActiveAI, Devtools
MunifyThe Cross-Border Neobank for the Middle Eastteam of 4ActiveOther
NormalApplied research lab for hardware designteam of 4ActiveAI
OmnaraThe Open-Source Alternative to Claude Managed Agentsteam of 4ActiveAI, Devtools
PingoYour personal AI for language learningteam of 4ActiveAI
SerafisDeep intelligence for private marketsteam of 4ActiveAI, Data

About S25

Every company, one tile each

By category

S25 by category

Where are they now

S25 by status

Top tags in S25

  • Developer Tools22
  • Infrastructure11
  • Productivity9
  • Open Source9
  • Enterprise Software8
  • Supply Chain7
  • Fintech7
  • Hardware6
  • Marketing6
  • AI Assistant6