Pass IndexThe State of AISign in

Y Combinator

fund

About

Y Combinator is an investor — 1328 companies here name it as a backer.

Every current figure

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Backed
1,328

Has backed 1328

10 By 10, 100x, 1910, 1stCollab, 222, 64x Bio, a0.dev, Abalone Bio, Abstra, Absurd, Abundant, Accend, Acolite, Activeloop, Adam, Adapted, Adaptional, Adaptyv, Aden, Adentris, Adni, Adravision, adyn, Affil.ai, Affogato AI, AfterQuery, Agent FM, AgentCollect, Agentic Fabriq, Agentic Labs, AgileMD, Agnost AI, AI Insurance, Airbyte, AiSDR, Akido Labs, Akon Labs, Alai, Alara, Aleph Lab, Alice.tech, Alinea, Alkali, Alkera AI, Allia Health, Allure Systems, Allus AI, Almanac, Alphawatch AI, Altay Therapeutics, Alter, Altur, Aluna, Ambient.ai, Amika, Amorphic Labs, Amulet, Anakin, Anana, Anara, Andi, Andon Labs, Andromeda Surgical, Andy AI, Anglera, Ankr Health, Anthrogen, Anto Biosciences, AnythingLLM, Apply Design, Apten, Aqua Voice, Aquarium Learning, Arbital, Archal, Archil, Arcimus, Argil, Arini, Armilla AI, arnata, Artemis Search, Artificial Societies, Artisan, Arva AI, Aside, aSim, Askdata, Assembly HOA, AssemblyAI, assistant-ui, Asteroid, Atlas Discovery, Atlia, Atmo, Atomic, Atomic Industries, Attunement, Auctor, Audun, Aura Vision, autarc, authzed, AutoComputer, Autodial prev Qwest, Automat, Automorphic, Autonomous Technologies Group, AutoPallet Robotics, Autosana, Autotab, Aviary AI, Avocado, awen, AXDRAFT, Axelrod, Axial, Axis, Axle, b12 Labs, Bandit ML, Basalt, Basepilot, Baserun, Baubap, Beam, BeGo, Belvedir, Benchify, Benchmark, Berry, Besimple AI, BetterBasket, Bezel, Bidflow, BIK, Billow AI Labs, Biodock, BIOS Health, Birch Biosciences, Bite Ninja, BitPatrol, Bizmark, Blaxel, Blissway, Bloomy, Blue Onion, Blueshoe, Bobidi, Bolna AI, Bond, Boom AI, Boost Robotics, Booth AI, Boundary, Bountiful, Brainbase Labs, BrainHi, Bramante, Bravi, Breez Labs, Bretton AI, Brewit, Brickanta, Brighterway, Broccoli AI, Bron, Bronco AI, Browser Use, BrowserOS, Brumby (Formerly GrazeMate), Bubble Lab, Bucket Robotics, Buildbox, Bunting Labs, BusinessOnBot, Bytebot, Cactus, Cactus Compute, Caddy, Cair Health, Caire Health, Cairns Health, Callback, Calltree, Cambio, camelAI, camfer, Candle, Candor, Caper AI, Capuchin, Capy, Cardamon, Cardinal, Cardinal Gray, careCycle, Carrot Labs, Cartage, Cartpole, Casca, Caseflood.ai, Casetext, Catamaran, Cellbyte, CellChorus, Centaur, Centralize, Cerebrium, Cero, Cerrion, Certus AI, Champ, Channel3, Chaos Genius, Char, Chatter, Checkr, Chima, Ciro, ClaimGlide, Clarion, Clarm, Clau, Clearest Health, Clearly AI, Click, Clicks Health, ClipDrop, CLODO, Closera, cloud humans, Cloudglue, Clueso, co.dev, COACH, CoArena, Cobbery, Code Four, CodeViz, Codyco, Cognitio Labs, Cognition IP, Cogram, Cohere, Cohesive, Coldreach, CoLoop, CombineHealth, Community Phone Company, Compose.ai, Computable, Compyle, Concord Materials, Concourse, Conductor, Conductor Quantum, Conduit, Confident AI, Conifer, Consus, Continue, Conveo, Convexia, Cora, CORE, Corgi Insurance, Corgi Labs, Coris, Cortex AI, Cosine, Cotera, Covera, Coverage Cat, Cozmo AI, Craze, Credal.ai, CrowdAI, Cruise, Cuckoo Labs, Cyberdesk, D-ID, DAGWorks Inc., Daily, Dailybot, Darmiyan, Dart, Dartboard, Data Driven Bioscience, Datafruit, Dataglade, Dataleap, DataSuite, Datoric, Dawn Industries, Deasy Labs, Decipher AI, Decisional AI, Decoda Health, Decohere, Deep24, DeepAware AI (Robotics Center of Silicon Valley), Deepnight, Deepnote, DeepReach Inc., DeepSource, Definite, Degla Inc, Delfino AI, Dench.com, Denki, Derya, Design Arena, Dex, Dialtone, Diana, Diffuse Bio, Diffusion Studio, DigiBuild, DigitalCarbon, DiligenceSquared, Dioptra, Directed Edge, DisputeNinja, Dock, Docket, Dodo, Doe, Dollyglot, Domu Technology Inc., Double – Coding Copilot, Downlink, Draft The Record, Draftaid, Draftwise, Dragoneye, Dream, Dream3D, DreamRP, Drillbit, DryMerge, Duckie, Dynamo AI, Ecliptor, ED1TH, Edexia, EdgeTrace, Educato, Edwin, Efference, EffiGov, Eggnog, ego, Egoist Machines, Elayne, Elessar, Elevate, Elip AI, Ellipsis, Elyos AI, Elythea, Embedder, Embrace, Emerge Tools, Emergent, Emobi, Empirical Health, Enable Us, Enact, Encord, Endstack, Energent AI, Epicenter, Erinys, Eventual, Evidently AI, Evolvere BioSciences, Executor, Exla, Expanse, Expected Parrot, Expent Inc, EzDubs, Fabraix, FactIQ, Familiar, Fastshot, Feather, Feldy, Fenrock AI, Fetii, Feyn, Fiber AI, Fieldguide, Figments, FinalDose, Findly, Fini, Finku, FINNY AI, Fintelite, Finto, Fintool, Firebender, FirstSupport.ai, FirstWork, FitnessAI, Flair Labs, Fleetline, Flick, Flint, Flock Safety, Flockjay, Floot, Flott HQ, Flowbot, Flowglad, FlowiseAI, Floworks, Flutter, Flux Auto, FlyCode, Focal Systems, Foreman, Forge, Forge Rewards, Forward, Foundation, Fountain, Fountain9, Freestyle, Frigade, Frizzle, Fuse, G LNK, Gale, Galini, Gander, garten, GazeHawk, Gecko Robotics, GEn1E Lifesciences, GetCrux, Giga, Glade, Glass Health, Gleam, Glen, Glide, Glimpse, GloGlo, Godela, GodHands, GoJom, Golf, goodfin, Gooseworks, GovDash, Greptile, Grocalo, Guac, Guide Labs, GUILD, haddock, Haladir, Handled, Handoff, Hanji, Happenstance, HappyRobot, Harbera, hardware intelligence, Harmonic Discovery, Hazel, Headstart, HeartByte, Hebbian Robotics, Helicone, Helix Nanotechnologies, Hellometer, Helonic, Henry, Heptabase, herdr, hiloop, Hippo Scribe, HOAi, HomeRoom, HOMLI, Housewarming, HUD, Hudson Labs (formerly Bedrock AI), Human Behavior, Humance, Humand, HumanLayer, Humanloop, Humoniq, HypaHub, Hyperbound, HyperGlue, Hypermile, HyperProbe, Hyperspell, Hypotenuse AI, Hyrex, ideate.xyz, iLabService, Iliad, Illume Labs, IMPACT Drones, Imperfect, Impossible Metals, Impractical, Inari, IncidentFox, Inconvo, Industrial Next, inFeedo AI, InferEdge, infra.new, Inkeep, Innate, InpharmD, InQuery, Inscribe, InspectMind AI, Instaplay, Instinct, Integrated Reasoning, Inventive AI, Invert, InVision Medical Technology, IoTFlows Inc, IRBC, Iris Automation, Iron Leap, Isengard Industries Inc, iSono Health, ISSEN, item, Jasper.ai, Jido Maps, jo, Jovian, Juicebox, JustAI, JustSpotted, Kabilah, Kairos, kapa.ai, Kashikoi, Kaso, kater.ai, Kebra, Keet, Kenley, Kernal Biologics, Kestral, Kestrel AI, Keye, Keyframe Labs, Keylika, Keystroke, Khoj, Kino AI, Kirana AI, Kita, Knowlify, Known Medicine, Knowtex, Konta.com, KorrAI, Koyal, Kraftful, Kunduz, Kura AI, Kyber, Lakonia, Lamb Labs, Lamin, Laminar, LanceDB, Landeed, Lanesurf, Langdock, Langfuse, Lantern AI, Lapis, Lark, Last Accounting Company, Latent, Layers, Layerup, Leaping AI, Leena AI, Legionfarm, Legora, Lemma, LemonBox, LemonSlice, Letterdrop, Lexter.ai, Liftigniter, Light Anchor, Lightberry, Lighthouz AI, Lightly, Lightski, LightTwist, Ligo Biosciences, Lilac, LinkGrep, Linum, Linzumi, LiteLLM, Logical, LogosGuard, loopfour, Lopus, Lore, Lucidic AI, Lumina, Luminal, LunaBill, Lunavo, Lyon, Lyrebird, Mach9, Macromoltek, MadeThis, Mage Legal, Magic, Magic Hour, Magic Loops, MagiCode, Magnitude, Maingen, Maitai, Maive, Manifold Freight, Marblism, Marker, MarqVision, Marr Labs, Mars Auto, Mashgin, Mastra, Matcha, Mathos, Matrubials, Matterport, Maven Bio, Maxi, Maximal, May Mobility, Maya Labs, MDalgorithms Inc., Mecha Health, MediSearch, Medium Biosciences, Melder, Mem0, Menten AI, Mentlio, Mentra, Mentum, Mesmer, Meteor, Meticulate, Metreecs, MICSI, Middleware, Midplane, Million, Minded, Mindee, MindFi, MindsDB, Mindstate Design Labs, Miniloop, MinusX, Mirror AI, Miso, MixerBox, Mixy, mlop, MobileBoost, Moby Analytics, Mocha, Model ML, Modelence, Modus, Momentic, Momento, Monarcha, Monterey AI, Moonshine, Moots, Morph, Mosaic, MosaicVoice, Motion, Motives, MSPilot, MTailor, Mulligan, Multiplier, Mundo AI, Mutiny, Mystic, Nabla Bio, Naborly, Namecard.ai, Nanograb, Nara, Narrative, Navattic, nCompass Technologies, Ndea, NearWave, Neodocs, neoncoral, NeoWize, NetworkOcean, NewsCatcher, Nex, Nexus, Nimble, Nitrode, No Cap, Nori, Normal, Norra, NOSO LABS, Nova, Novelcare, Nowadays, Nozomio, Nuanced, Numen, Numerion Labs, NuMind, Nuvocargo, Nyckel, Observant AI, Ocular AI, Oda, Odo, OffDeal, OfOne, Ohm, Olam Labs, Ollama, Omnara, Omni, OnDeck AI, OneGrep, Oneleet, OneSchema, OneTriangle, Onlook, Ontra Mobility, Onyx, Ooak Data, Opearlo, Openbenchmarks, OpenCurriculum, Openlayer, Openmart, OpenPipe, Openroll, Opensteer, OpenTag, OpenVector, Operator.io, Opslane, Optifye.ai, Ora AI, Orangewood Labs, Orbio Earth, Orca Client, Orchid, Osmosis, Outerbase, Outlit, Output Biosciences, OutRival, Inc., Outship, Overeasy, Overlap, Overstand Labs, Overview, Overwatch, Ovlo, OWNY, Pachama, Pachyderm, Pair AI, Palette, Palifer, Palisade, Pally, Paloma, PandasAI, Pando Bioscience, Pangea.app, pap!, Paper Instruments, Paperspace, Parahelp, Parallel, Parallel Bio, Parasma, Parea, PARES AI, Parley, Parsagon, Parsewise, Patent Watch, Pearson Labs, Pelica, Penny, People.ai, Peoplebox.ai, Percept.AI, Perceptive Technologies, Perceptron ML, Permitify, Persana AI, Persephone Biosciences, Perseus, Persist AI, Phases, Phiar, Phonic, Photonium, Photoroom, Pibit.ai, Pickle, PicnicAI, Pier, PINA, Pinch, Pincites, PipeBio, Pipeshift, Piramidal, Piris Labs, Pivot Robotics, Pixley AI, Planbase, Plasticity, PlayAI, Pleom, Plexe, Plivo, Plume, Pluto, Pointhound, PointOne, Polished, Poly, Polymath Robotics, Polymet, Pomello, Ponyrun, Popl, PoplarML, Pops, Postal, PostEra, Poth Labs, Potion, Powerdocs, PowerX, Pragmatic Leaders (Ankai Inc), Praxim, Praxos, Precious, PredictLeads, Preloop, Presti AI, Pretzel AI, PRINCEPS, Proception Inc, Prodigy Research, ProhostAI, Proliferate, Prolific, Promise, Promoted.ai, PromptArmor, Promptless, PromptLoop, Propaya, PropRise, ProSights, Protex AI, Proven Group, Provision, Prox, Pulpix, Pump.co, Qokedas, QualGent, Quantstruct, Query Vary, QueryPie AI, Quetzal, Quickchat AI, Quill Bills, Quinn, Qventus, Qvin, Radius, Rain Neuromorphics, Raindrop, RamAIn, Ramen VR, Random Labs, Rankai, RankScience, Rapidfolio, Rastro, Rasyn, Rational, Raven, Raycaster, Reacher, Reality Defender, Rebolt, Rebulk, Recall.ai, RedBrick AI, Redouble AI, Redoubt Insurance, RefineTrain AI, Reflex, Reforged Labs, Rejoy Health, rekursiv.ai, Relativity Space, Relaw, Relling, Remade, RentFlow, Replicate, Replika, Replo, Resonance, Respan, Ressl AI, Retape, Retell AI, Reticular, Revion, Revl, Revyl, Reworkd, Rex, rex.fit, RGI Labs, Rima AI (formerly Garage), Rimward, Rindler, Rinsed, RiskCube, Risklytics, Risotto, Ritivel, Rivet, Riveter, Roame, Roark, Roboflow, ROE, Rollstack, Rootly, Rosebud AI, Rosebud Biosciences, Routine, Rove, Rowboat Labs, RowFlow, Rownd, Roxels, RTHM, Rubbrband, RunLocal AI, Ryse, Safer Management, Sage AI, Sage Care, SalaryBox, Saleswhale, Salient, Salus, Sameday, Sandra AI, Sapling.ai, Saturn, Scale AI, Scanbase, Scape, Scispot, Scoop, ScopeAI, Scout, Scribe, Scritch, Searchlight, Secoda, Segments.ai, Sei AI, SellRaze, Semantics3, Sendbird, Sennu AI, Sensei, Senso, Sentient OS, Sentiyen, Sepal AI, Sequin, Serafis, Serif Health, Serra, Servo7, SFA Therapeutics, Shape (ShapeScale), SharpestMinds, Shelf Engine, Shepherd, Sherloq, Shipamax, Shiraz AI, Shiru, Shofo, Short Story, Shortbread, ShortLoop, SID, Sidekick, Sift, Siftly, SigmaMind AI, SigmanticAI, SigOpt, Silimate, Silogy, Silurian, Simbie AI, Simple AI, Simplex, Simplify, Simulithic, Sitefire, Sivo, sizeless, SkyLink, Skymerse, Skypher, Skyvern, Skyways, Slashy, Sleek, Slicker, Slope, SnapCalorie, Soco, Soff, Sohar Health, Sola, Solari AI, Sophys, Sorcerer, Sorting Robotics, Sota2, Soteris, Soundry AI, Sourcebot, Sourceress, Spade, Spark Studio, SPATE, Speak, Specific Labs, Speck, Speechly, Speko, Spellbrush, Spinach AI, Spine AI, Spline, Spotlight Realty, Spott, Sprites, Stably AI (Orca), StarJar, Starling, StarSling, Stellon Labs, Stillwind, Storia AI, Stormy, Strac, stratify, Stratum Industries, StratumAI, Strong Compute, Struct, Structured AI, Studio, SubscriptionFlow, Subsets, SubVysion, sudocode, Sully.ai, Supadock, Superagent, Superb AI, SuperKalam, Superlog, Superorder, Superset, Superside, Sureform, Surface Labs, Swayable, Sweep, Swerve, Swipe, Syncly, Synkrino Biotherapeutics, Synthio Labs, Syntra, Synvivia, T3 Chat, Tailornova/Couturme, Taiv, Taktile, Talc, Tamarind Bio, TamLabs, TaoFi, Tara AI, Taskade, Tasker AI, Tavus, TaxGPT, TectoAI, Tegore, Tekton Dynamics, Tell if AI, Telmai, Tempo, TensorPool, Tenyks, Tergle, Terracotta AI, Terrakotta, Tetra, Text.ai, The Context Company, The Forecasting Company, The Robot Learning Company, Theneo, Theorem, Thera, Thesis, Theta, throxy, Thyme, TigerEye, Tilt (f.k.a. Delphia), Tinfoil, Tint, Tiptap, Tivara, Toko, Toma, Toothy AI, Top Road, Touchmark, Touchy, TovenAI, Tower, Traceforce, Traceloop, Tracer, TraceRoot.AI, Traces, TrainLoop, Trainy, Trata, Trava, Traverse, Treinta, Trellus, Trident, TRM Labs, True3D, truemetrics, Truewind, Truffle AI, truthsystems, Truva, Tsenta, Tule, Turing Labs Inc., Turnstone, Tusk, Tweeks.io, TwentyTwo, Twine, Two Dots, Twolabs, Typa, Type, Typedream, TypeLess, Typewise, Unbound, Undermind, Understood Care, Understudy Labs, Unify, Unlayer, Uno Wallet, Unsiloed AI, Unsloth AI, Unthread, Uplane, Uplift AI, Usul, Vaero, VantedgeAI, Vapi, Variance, Vector, VectorShift, Veeza AI, Veles, Velos, Velum Labs, Velvet, Vendo, Vendora, Venta AI, Venu AI, Vera Health, Verata, VergeSense, Veriad, Verihubs, Versive, Veryfi, Vespper, Vetnio, VetRec, Vibe Kanban, VibeFlow, Vibrant Labs, VideoGen, vly.ai, Vocality Health, Vocode, Vogent, Voiceops, Void, voize, Voker, Vorelios, Vortexify, Voxel Energy, VoxOps AI, Waddle Labs, WarpBuild, Warpfy, Waterplan, Wattson Health, Wavedash, Waybill, Waydev, Webhound, Weekend (fmr. Volley), Weel, Well Principled, WeReno, WhiteLab Genomics, Whitespace, Wild Moose, Wildcard, Willow, Windsor, winfunc, Wit.ai, Within, Wolfia, Wondercraft, Wondering, WonderTx, Wordware, Woz, Writesonic, x1, Xeol, Yarn, Yhat, YouShift, Yuma AI, Yummy Future, Zaplar, Zavo, Zaz OS, Zeit AI, Zeitview, Zenbu, Zensors, Zeon Systems, Zep AI, ZeroPath, ZETA SURGICAL, ZOKO, Zomma, Zuni, Ångström AI