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YC Summer 2026The S26 batch: 231 companies, 88% AI

Started Jun 2026

One tile per company, AI first. Colours as in the river.

231
companies
88%
AI
19
data
54
developer tools

By category

S26 by category

Where are they now

S26 by status

The S26 companies

231 of 231 companies

6thSenseAINervous System for Physical AI83 SciencesAIAI-native materials discovery powered by unpublished experimental dataAgency Tool CompanyDeveloper toolsReliable infrastructure to build, deploy and manage real-world robots.AgentcardAIcards for AI agentsAgnost AIAIWe find where AI agents fail, then train better models to run them.Akon LabsAIDatabricks for Enterprise CodebasesAlkera AIAIReliable and safe data engineering and data science agentsAllia HealthAIFirst AI-Native Medical Group for Mental HealthAllooviumAIThe company brain for construction companiesAlmanacAIOrganizing company knowledgeAmorphic LabsAIOpenRouter for Agent ToolsArbitalAIThe social trading app for stocks, memes, and perpsArchalAIAPI sandboxes, built for AI agentsAssembleAIAutonomous IT DeliveryAsyncAIAI agents that run small businessesAtlas DiscoveryAIAI-native pharma companyAtliaAIThe AI-native property management company for short-term rentalsAudunAIAI-native debt collection companyAvoca SystemsAIThe AI operating system for radiology networksAxelrodAIHotels that run themselvesBaudAIAI chips for ultra-fast training and inferenceBelvedirAIThe custom AI model factory.BernardAIAI employees that run home appliance repair companiesBillow AI LabsAIAI-native Accounting Firm that's killing DeloitteBizmarkAIOpenClaw for manufacturersBloomyAIAI-native learning for every schoolCallbook AIAIAI collections agency for late stage portfoliosCare GPAIAI agents to run primary healthcare operationsCarSignalAIThe AI Operating System for Auto Shops.CautionAIHosting platform for software you can't afford to have hackedCerenovusAIAI that finds value creation opportunities across enterprise…ChromieAIWe help startups win gov contractsClickAIResearch services for ChatGPT and ClaudeCOACHAIThe AI Coach for in person sales reps.CoArenaAIThe biggest crowdsourced benchmark for Computer-UseCodagAIThe AI gateway for cheaper, faster, permissioned agents.ComputableAIDerivatives Exchange for ComputeConiferAILeast cost routing system to reduce 70%+ token spendContext.devAIWe give AI agents realtime web context via APIControl SeatAIAI that runs factories.CovaAIFinancial infrastructure for family caregivingCueBenchAIRL post-training for science reasoning and performance engineeringDaqstraAIAI-native test infrastructure layer for hardware companiesDatoricAIThe secure training data R&D engine for physical AIDawn IndustriesAIAutomatic Diagnosis & Fix for Industrial Automation CellsDecaworkAITraining company-specific models that approve AI actions.DeepReach Inc.AINetwork for Physical AI Data BusinessDefiniteAIBuild everyday back-office agents on one live model of your booksDentaAIDental InsuranceDeryaAIAI Brokers for Industrial TradeDialogusAIThe AI-native contact centerDipole LabsAIAI-controlled optical switching for AI clustersDockAIMultiplayer workspace for agents and humansDonkeyAIThe AI-native trading company: factory prices, delivered, one numberDreamAIUsing VLMs to Catch DamageEdotEnvAIQuant Neolab building self-improving agents from quant dataEdviroAIAI That Operates Energy InfrastructureEgoist MachinesAIYour personal context, securely portable across every AI app.Ekho LabsAIWorld Model for FreightEkpaAIBuilding Autonomous Research Agents for TradingEliteAIHealthcare AIEnactAIReal-world RL environments for robotics modelsErinysAIWe help lawyers start and scale AI-native law firms.EvergroveAIInstant healthcare for all, starting with work compExecutorAIThe open source tool gatewayExosatAIBuilding a neutral, sovereign alternative to StarlinkExperiential LabsAIOpen source AI gateway that turns your traffic into better modelsFabraixAIThe world's frontier hacker of AI agents.FamiliarAIMovies in Every Language. Better than Humans.Financial DatasetsAIConnect your agents to the stock marketFloraceneAIVibecode + deploy HIPAA-compliant internal tools, no eng team neededFlorinAIFlorin is an AI-native insurance company that runs autonomouslyFlowManualAIAI for Construction's Back OfficeFrontier ComputingAIFrontier grows scalable biological brains as an ML training substrateGamgeeAICuring cancer. Starting with dogs.GitCafeAIThe Git forge for the next hundred billion commitsGlenAIInstitutional Learning Layer for Every Agent in Your CompanyGraphify LabsAIOn-device Knowledge Graph engine for Enterprise SoftwareGrocaloAIAI brain for creators that runs their social contentGUILDAIAI-Native Defense Contractorhardware intelligenceAIAI tools for the chips your AI runs onHebbian RoboticsAIAPIs for robotics data teams to verify data quality for model traininghiloopAIAutoresearch as a service: we solve your hardest measurable problemsHilstartAIAutonomous Hardware TestingHopliteAIEffortlessly deploy cloud software factories.HubbleAIAI-native retrieval engine for medical recordsHyperProbeAIAI engineer that debugs and fixes production incidents in realtimeIllume LabsAI24/7 Personal Health & Longevity CompanionIMPACT DronesAIAir Defense as a Service for Civilian Infrastructure.Induction LabsAIBuilding intellectually curious AIInkboxAIThe identity and communication layer for AI agentsInstaplayAIAI-native gaming platform turning every game into an RL environmentInsurfAIThe AI-Native Decision Layer for Health InsuranceIsengard Industries IncAIMass-produced AI strike systems and Counter-UASJcodeAIHigh performance coding agentsKebraAIAI For The Skilled WorkforceLamb LabsAILightning fast chips with hardcoded AI modelsLast Accounting CompanyAIAI-native accounting firm.LATOAIPredict how market participants behaveLemonLimeAIFully automated GTM for small businessLevocred AIAIThe Bloomberg of LoansLibra RoboticsAIRobotic crews for large-scale infrastructure constructionLitmusAIEvals for humansLockeAILocke powers agentic government work.Luca IQAIAPI-first tax engine for CPA firms and developersLumeriaAIOura Ring for Skinmachine0AIAWS for AgentsMagmaAIMonetize your agent's traces.MaingenAISimulating Agents Running Industrial CompaniesMarbleAIThe autonomous back-of-house for restaurants.MarengoAIAI-Native Engineering Firm designing Data CentersMarkerAIPlatform + FDEs that rebuild enterprises agent-firstMarkovAIExpert computer-use data for frontier AI labsMentlioAIEngineering Intelligence and Token Optimization for the AI-Coding EraMireyeAISearch Engine for the Physical WorldMochiAIWatch and create animeMoonshotAIagents for the rest of usMosaicAIDefining the frontier of multiplayer AI.Most RoboticAIResearch lab building the most robotic household in the worldMoving AtomsAIVirtual Reality for Training RobotsNebuSecAIAutonomous AI defense system for cyber attackNeuromorphicAIBuilding robots to automate wetlabsNeuron IndustriesAIIndustrial Controllers built for AINexAIAI for high volume GTM EngineeringOlam LabsAIBuilding multi-agent simulations for model evals and training.OmantaAIA research lab for oneOneCLIAIThe open source AI teammates for your company.OneTriangleAIThe cheapest, fastest inference cloudOoak DataAIWe turn company data into training dataOpenRelayAIDistributed, hardware-agnostic AI inferenceOpenTagAIModel Agnostic AI coworker in SlackOpenVectorAIAI that turns any camera to an autonomous worker with real-time visionOrchestraAISelf-optimizing neocloud that cuts LLM costs by 100xOS3AIAffordable, intelligent humanoid robots built to deploy at scaleOsseusAIThe frontier data platform for aligned health and biological AIPacificAIMass-producing and financing micro data center incredibly quickly.PaletteAIThe Media Engine of the AI EraPalisadeAIAI-native sales agents that run marketplacesPalisadeAIAI that finds and fixes OS-level vulnerabilities across device fleetsPangoAIAgentic OS for e-commerce operationsParasmaAIReplacing GPUs with human brain cellsPeerAIAI-native freight brokeragePennantAIThe World Model for Corporate GovernancePerceptron MLAIWe make law firms AI-native.PetrarchDataInternal industrial company data for frontier labsPlutoAILinkedIn for agentsPoth LabsAIThe customer brain that connects data to explain customer behaviorPraxis RoboticsAITurns real businesses into robotics data vendorsPrescience, Inc.AISuperintelligent health insurance that keeps employees healthyPRINCEPSAIAI-native insurance company for the compute economyPrizedAIA cloud devbox that feels localProdigy ResearchAITraining the world's best AI model for quantitative finance.Proprio RoboticsAIRobots to maintain and assemble data centersProvenMetalAIAI-native electronics manufacturing for the American industrial baseQloAILegora for commercial insurance carriersRadleyAIThe AI-native radiology practiceRapidfolioAIAI-native back-office for banks and fintechsRasynAIMaking chemicals 100,000x fasterRationalAIFirst Zero-human Accounting FirmRealPactAIAI-native OS for Real Estate Brokeragesrekursiv.aiAIScale AI scientists whose own breakthroughs accelerate the next.RexAIAI-native BPO for enterprise order-to-cashRiftenAIEarned intelligence for every companyRindlerAIThe IDE for TokenmaxxersRisklyticsAIAI-Native Insurance for Frontier TechRobocurveAIEvals for robotsRonanRx Inc.AIFull Stack Pharmaceutical Company for Personalized Peptides and GLP-1sscreenpipeAITurn your company's computer work into AI agents.ShieldedDeveloper toolsWe help Fortune 500 companies hedge their supply chain riskShiraz AIAIRobots that learn on the jobSidekickAIAI agent that manages manufacturing operations over textSkymerseAIAutopilot for Flight OperationsSpaceFlow Technologies, Inc.AIAI-native procurement services for the physical economySpectre IntelligenceAIWe are a multi-strategy trading firm that trains AI traders.SpekoAIOpenRouter for Voice AI: one API, every call on the best speech modelStandard MachinesAITeaching AI to Design ChipsStoaAIThe market behind AI hardware.StudioAIAccurately simulate market response at scaleSubVysionAIAutonomous rovers to make the ‘Google Maps’ of underground utilitiesSunflowerAIWe are building an AI-native telemedicine clinic for addiction. 🌻Synapse SemiconductorAINew semiconductors that merge compute and visionTarifflo Inc.AISupply chain compliance and cost savingsTenorAIInfrastructure for building and scaling AI-native service businesses.TensrAIRobotic factories that build robotsTorusAILegora for physical engineering firmsTouchmarkAIMarket for future inference capacityTouchyAIAI iOS assistant that instantly uses voice and video to take actionTovenAIAIAI agents for compliance at institutional trading firmsTraceforceAICrowdStrike for AI AgentsTracerAICombining open-source AI models for better answers at lower costTridentAIAutonomous offensive security agents. The best defense is offenseTropeAIAI FDE that deploys custom AI agents into ERPsTryNearbyAILocal creators for local businessesTsentaAIAI career agent that finds matching jobs & applies on your behalfUltrasoniumAIMetal manufacturing, faster, cheaper, and more versatile.VendoAILet your users build their own features on top of your productVerdantAIAI Agents to Make Local Gov EfficientVerdict MachineAIAI cybersecurity for financial institutions' digital assetsVestrisAIAI native platform for real estate closingsWaddle LabsAILLMs that control robotsWaybillAIAgentic procurement & inventory for deep tech teams.WhitespaceAIAI Operating System for Wholesale DistributionWonderingAIDuolingo for learning anythingWonderTxAIExtrapolative AI to unlock First-in-Class drugsZaplarAIAgentic Hotel Operating SystemZommaAIThe AI BPO for financial servies, run by computer-use agentsAerogen SystemsOtherModernizing Chip Manufacturing InfrastructureAktoria RoboticsOtherHuman as API for robotsApplied Electrodynamics, Inc.OtherA new kind of camera that can see through walls.AtomarineOtherFloating nuclear powered data centers at sea.Cosmic RoboticsOtherAutonomous construction on Earth and beyondEarendil RoboticsOtherDrone swarm defence at a small-unit levelEdgerunOtherMilitary exoskeletonsEthos Space ResourcesOtherWe make silicon on the Moon, to power everything in space.Greypoint IndustriesOtherBuilding drone swarms that hunt hidden enemies.GripOtherRobots for waste manipulationGutgutgooseOtherWe sequence your gut and build the probiotics it’s missingHERAOtherWe make sure every factory in the world builds without mistakes.Hop AeroOtherRocket cargo delivery to contested environmentsKaraOtherMaking Diamond SemiconductorsManifoldOtherDrop-in robotic labor that works on Day 1Mass MagneticsOtherUSA-made magnetics for robotics and defense.MeteoricOtherDrones that clear clouds over solar farms and weaken hurricanesMolagriOtherResistance free pesticides.NoriOtherThe most capable American-made humanoid robot for $1,688PokerClubHubOtherHost a Poker Club and Make MoneyRise ReformingOtherWe turn waste gases into supply-secure chemicalsSalem Robotics IncOtherDeploying robots to replace workers in hazardous spacesTareBioOtherVaccines for any cancer or infection in weeks.tashOtherThe BlackRock of collectiblesVernius Systems, Inc.OtherMass-deployable radars for air defense

S26 among all batches

Top tags in S26

  • Robotics28
  • Hard Tech27
  • Developer Tools22
  • Hardware22
  • Infrastructure17
  • Fintech16
  • Manufacturing16
  • Enterprise Software14
  • Reinforcement Learning14
  • Machine Learning13

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