YC class S26
Summer 2026
231 companies in this class
| Icon | Name | URL | Class | Status | Description |
|---|---|---|---|---|---|
| 6thSense | https://6thsense.dev | S26 | Active | Nervous System for Physical AI | |
| 83 Sciences | https://83sciences.ai | S26 | Active | AI-native materials discovery powered by unpublished experimental data | |
| Aerogen Systems | https://www.aerogensystems.com/ | S26 | Active | Modernizing Chip Manufacturing Infrastructure | |
| Agency Tool Company | https://agencytool.com | S26 | Active | Reliable infrastructure to build, deploy and manage real-world robots. | |
| Agentcard | https://www.agentcard.com | S26 | Active | let agents buy anything online | |
| Agnost AI | https://agnost.ai | S26 | Active | We find where AI agents fail, then train better models to run them. | |
| Akon Labs | https://akonlabs.com | S26 | Active | Databricks for Enterprise Codebases | |
| Aktoria Robotics | https://aktoria.com/ | S26 | Active | Human as API for robots | |
| Alkera AI | https://alkera.ai | S26 | Active | Reliable and safe data engineering and data science agents | |
| Allia Health | https://allia.health/ | S26 | Active | AI-Native Medical Group for Mental Health | |
| Alloovium | https://www.alloovium.com/en | S26 | Active | The company brain for construction companies | |
| Almanac | https://usealmanac.com | S26 | Active | Organizing company knowledge | |
| Amorphic Labs | https://www.agentmuxer.com | S26 | Active | OpenRouter for Agent Tools | |
| Applied Electrodynamics, Inc. | https://www.ae-dyn.com/ | S26 | Active | A new kind of camera that can see through walls. | |
| Arbital | https://www.arbital.xyz | S26 | Active | The social trading app for stocks, memes, and perps | |
| Archal | https://www.archal.ai/ | S26 | Active | API sandboxes, built for AI agents | |
| Assemble | https://www.assemble.ai/ | S26 | Active | Autonomous IT Delivery | |
| Async | https://withasync.com | S26 | Active | AI agents that run small businesses | |
| Atlas Discovery | https://atlasdiscovery.bio | S26 | Active | AI-native pharma company | |
| Atlia | https://www.atlia.com | S26 | Active | The AI-native property management company for short-term rentals | |
| Atomarine | https://atomarine.co | S26 | Active | Floating nuclear powered data centers at sea. | |
| Audora | https://audora.art | S26 | Active | Audiobooks where every character has their own voice. | |
| Audun | https://audun.co | S26 | Active | AI-native debt collection company | |
| Autoresearch, Inc. | https://autoresearch.inc | S26 | Active | Autoresearch as a service: we solve your hardest measurable problems | |
| Avoca Systems | https://avocasystems.com | S26 | Active | The AI operating system for radiology networks | |
| Axelrod | https://axelrodlabs.com/ | S26 | Active | Hotels that run themselves | |
| Baud | https://baudlabs.ai | S26 | Active | AI chips for ultra-fast training and inference | |
| Belvedir | https://belvedir.ai/ | S26 | Active | The autonomous AI model factory | |
| Bernard | https://bernardhq.com/ | S26 | Active | AI employees that run home appliance repair companies | |
| Billow AI Labs | https://thebillow.ai/ | S26 | Active | AI-native Accounting Firm that's killing Deloitte | |
| Bizmark | https://bizmark.ai | S26 | Active | OpenClaw for manufacturers | |
| Bloomy | https://bloomylearning.com/ | S26 | Active | AI-native learning for every school | |
| Callbook AI | https://callbook.ai | S26 | Active | AI collections agency for late stage portfolios | |
| Capto | https://gocapto.com/ | S26 | Active | Build something the government wants | |
| Care GP | https://caregp.com.au/ | S26 | Active | AI agents to run primary healthcare operations | |
| CarSignal | https://www.trycarsignal.com | S26 | Active | The AI Operating System for Auto Shops. | |
| Caution | https://caution.co | S26 | Active | Hosting platform for software you can't afford to have hacked | |
| Click | https://www.useclick.ai | S26 | Active | Serverless agents | |
| COACH | https://www.getcoach.com/ | S26 | Active | The AI Coach for in person sales reps. | |
| CoArena | http://coarena.ai | S26 | Active | The biggest crowdsourced benchmark for Computer-Use | |
| Codag | https://codag.ai/ | S26 | Active | The AI gateway for cheaper, faster, permissioned agents. | |
| Computable | https://getcomputable.com | S26 | Active | Derivatives Exchange for Compute | |
| Conifer | https://www.conifer.build | S26 | Active | Least cost routing system to reduce 70%+ token spend | |
| Context.dev | https://context.dev | S26 | Active | We give AI agents realtime web context via API | |
| Control Seat | https://www.controlseat.com | S26 | Active | AI that runs factories. | |
| Cosmic Robotics | https://www.cosmicrobotics.com/ | S26 | Active | Autonomous construction on Earth and beyond | |
| Cova | https://cova.care/ | S26 | Active | Financial infrastructure for family caregiving | |
| CueBench | https://cuebench.dev | S26 | Active | RL post-training for science reasoning and performance engineering | |
| Daqstra | https://www.daqstra.com | S26 | Active | AI-native test infrastructure layer for hardware companies | |
| Datoric | https://www.datoric.com | S26 | Active | The secure training data R&D engine for physical AI | |
| Dawn Industries | https://www.dawnxr.com | S26 | Active | Automatic Diagnosis & Fix for Industrial Automation Cells | |
| Decawork | https://decawork.ai/ | S26 | Active | Training company-specific models that approve AI actions. | |
| DeepReach Inc. | http://www.deepreach.ai | S26 | Active | Network for Physical AI Data Business | |
| Denta | https://denta.com | S26 | Active | Fortune 500 Dental Benefits for Startups | |
| Derya | http://usederya.com | S26 | Active | AI Brokers for Industrial Trade | |
| Dialogus | https://www.dialoguslabs.com/ | S26 | Active | voice AI agents that learn how your company actually works | |
| Dipole Labs | https://dipolelabs.com/ | S26 | Active | AI-controlled optical switching for AI clusters | |
| Dock | https://trydock.ai | S26 | Active | AI agents that run your business. | |
| Donkey | https://donkey.trade | S26 | Active | The AI-native trading company: factory prices, delivered, one number | |
| Dream | https://www.pingdream.com/ | S26 | Active | Using VLMs to Catch Damage | |
| Earendil Robotics | https://earendil.io | S26 | Active | Drone swarm defence at a small-unit level | |
| Edgerun | https://edgerun.com | S26 | Active | Military exoskeletons | |
| EdotEnv | https://edotenv.com | S26 | Active | Quant Neolab building self-improving agents from quant data | |
| Edviro | https://edviroenergy.com | S26 | Active | AI That Operates Energy Infrastructure | |
| Egoist Machines | https://ego.ist/ | S26 | Active | Your personal context, securely portable across every AI app. | |
| Ekho Labs | https://ekholabs.com/ | S26 | Active | World Model for Freight | |
| Ekpa | https://goekpa.com/ | S26 | Active | Building Autonomous Research Agents for Trading | |
| Elite | https://elitehq.ai/ | S26 | Active | Healthcare AI | |
| Enact | https://enact.company | S26 | Active | Real-world RL environments for robotics models | |
| Erinys | https://erinys.ai | S26 | Active | We help lawyers start and scale AI-native law firms. | |
| Ethos Space Resources | https://ethos-space.com | S26 | Active | We make silicon on the Moon, to power everything in space. | |
| Evergrove | https://www.evergrovelabs.com/ | S26 | Active | Instant healthcare for all, starting with work comp | |
| Executor | https://executor.sh | S26 | Active | The open source tool gateway | |
| Exosat | https://www.exosat.com | S26 | Active | Building a neutral, sovereign alternative to Starlink | |
| Experiential Labs | https://experientiallabs.ai | S26 | Active | Open source AI gateway that turns your traffic into better models | |
| Fabraix | https://fabraix.com | S26 | Active | The world's frontier hacker of AI agents. | |
| Financial Datasets | https://financialdatasets.ai/ | S26 | Active | Connect your agents to the stock market | |
| Floracene | https://www.floracene.com/ | S26 | Active | Vibecode + deploy HIPAA-compliant internal tools, no eng team needed | |
| Florin | https://florin.inc | S26 | Active | Florin is an AI-native insurance company that runs autonomously | |
| FlowManual | https://flowmanual.com/ | S26 | Active | AI for Construction's Back Office | |
| Frontier Computing | https://frontier.site | S26 | Active | Frontier grows scalable biological brains as an ML training substrate | |
| Gamgee | https://gamgee.io/ | S26 | Active | Curing cancer. Starting with dogs. | |
| General Context Labs | https://generalcontextlabs.com | S26 | Active | Building Products and Datasets for Frontier Models | |
| GitCafe | S26 | Active | The Git forge for the next hundred billion commits | ||
| Glen | https://www.tryglen.com/ | S26 | Active | Institutional Learning Layer for Every Agent in Your Company | |
| Graphify Labs | https://www.graphify.com/ | S26 | Active | On-device Knowledge Graph engine for Enterprise Software | |
| Greypoint Industries | https://greypointindustries.com/ | S26 | Active | Building drone swarms that hunt hidden enemies. | |
| Grip | https://www.griprobotics.ai | S26 | Active | Robots for waste manipulation | |
| Grocalo | https://grocalo.com/ | S26 | Active | AI brain for creators that runs their social content | |
| GUILD | https://www.guildai.co | S26 | Active | Making Defense Manufacturing Faster and Cheaper | |
| Gutgutgoose | https://gutgutgoose.com/ | S26 | Active | We sequence your gut and build the probiotics it’s missing | |
| hardware intelligence | https://hardwareintelligence.ai | S26 | Active | AI tools for the chips your AI runs on | |
| Hebbian Robotics | https://hebbianrobotics.com/ | S26 | Active | Foundational infrastructure for Physical AI | |
| HERA | https://www.manufacturingintelligence.org | S26 | Active | We make sure every factory in the world builds without mistakes. | |
| Hilstart | https://hilstart.io/ | S26 | Active | Autonomous Hardware Testing | |
| Hop Aero | https://hopaero.com | S26 | Active | Rocket cargo delivery to contested environments | |
| Hoplite | https://hoplite.sh | S26 | Active | Effortlessly deploy cloud software factories. | |
| Hubble | https://hubble.ai/ | S26 | Active | AI-native retrieval engine for medical records | |
| HyperProbe | https://hyperprobe.co | S26 | Active | AI engineer that debugs and fixes production incidents in realtime | |
| Illume Labs | https://www.illumelabs.ai | S26 | Active | 24/7 Personal Health & Longevity Companion | |
| IMPACT Drones | https://www.impact-drones.com | S26 | Active | Air Defense as a Service for Civilian Infrastructure. | |
| Induction Labs | https://inductionlabs.com | S26 | Active | Building intellectually curious AI | |
| Inkbox | https://inkbox.ai | S26 | Active | The identity and communication layer for AI agents | |
| Insurf | https://www.insurf.io | S26 | Active | The AI-Native Decision Layer for Health Insurance | |
| Isengard Industries Inc | http://isengardindustries.com/ | S26 | Active | Mass-produced AI strike systems and Counter-UAS | |
| Jcode | https://jcode.sh/ | S26 | Active | High performance coding agents | |
| Kara | https://karalabs.ai/ | S26 | Active | Making Diamond Semiconductors | |
| Kebra | https://kebra.com | S26 | Active | AI For The Skilled Workforce | |
| Lamb Labs | http://lamb-labs.com | S26 | Active | Lightning fast chips with hardcoded AI models | |
| Last Accounting Company | https://lastaccountingcompany.com/ | S26 | Active | AI-native accounting firm. | |
| LATO | https://www.latolabs.io/ | S26 | Active | Predict how market participants behave | |
| LemonLime | https://www.lemonlime.com/ | S26 | Active | Fully automated GTM for small business | |
| Levocred AI | https://levocred.com/ | S26 | Active | AI Workforce for lenders | |
| Libra Robotics | https://www.librabots.com/ | S26 | Active | The robot workforce for infrastructure | |
| Litmus | https://litmushiring.com/ | S26 | Active | Evals for humans | |
| Locke | https://locke.inc | S26 | Active | The AI-native firm for public influence. | |
| Luca IQ | https://lucaiq.com/ | S26 | Active | API-first tax engine for CPA firms and developers | |
| Lumeria | https://lumeria.skin | S26 | Active | Oura Ring for Skin | |
| machine0 | https://machine0.io | S26 | Active | AWS for Agents | |
| Magma | https://magmahq.ai | S26 | Active | Monetize your agent's traces. | |
| Maingen | https://www.maingen.com/ | S26 | Active | Simulating Agents Running Industrial Companies | |
| Manifold | https://www.manifoldindustries.ai/ | S26 | Active | Drop-in robotic labor that works on Day 1 | |
| Marble | https://joinmarble.ai/ | S26 | Active | The autonomous back-of-house for restaurants. | |
| Marengo | https://marengox.com | S26 | Active | AI-Native Engineering Firm designing Data Centers | |
| Marker | https://onmarker.com | S26 | Active | Platform + FDEs that rebuild enterprises agent-first | |
| Markov | https://www.markovstudios.com/ | S26 | Active | Expert computer-use data for frontier AI labs | |
| Mass Magnetics | https://massmagnetics.com/ | S26 | Active | USA-made magnetics for robotics and defense. | |
| Mentlio | https://mentlio.com | S26 | Active | Engineering Intelligence and Token Optimization for the AI-Coding Era | |
| Meteoric | https://meteoric.earth/ | S26 | Active | Drones that clear clouds over solar farms and weaken hurricanes | |
| Mireye | https://www.mireye.com/ | S26 | Active | Search Engine for the Physical World | |
| Mochi | https://www.mochi.tv/ | S26 | Active | Watch and create anime | |
| Molagri | https://molagri.com | S26 | Active | Resistance free pesticides. | |
| Moonshot | https://moonshot.computer/ | S26 | Active | agents for the rest of us | |
| Mosaic | https://mosaic.inc | S26 | Active | Defining the frontier of multiplayer AI. | |
| Most Robotic | https://mostrobotic.com/ | S26 | Active | Research lab building the most robotic household in the world | |
| Moving Atoms | https://movingatoms.ai/ | S26 | Active | Virtual Reality for Training Robots | |
| MusicArena | https://musicarena.io/ | S26 | Active | The crowdsourced benchmark for AI-generated music and music production | |
| NebuSec | https://nebusec.ai | S26 | Active | Autonomous AI defense system for cyber attack | |
| Neuromorphic | https://www.neuromorphic.vision/ | S26 | Active | Building robots to automate wetlabs | |
| Neuron Industries | https://neuronindustries.com | S26 | Active | Industrial Controllers built for AI | |
| Nex | https://nex.ai | S26 | Active | Grok bot for GTM & Revenue teams | |
| Nori | http://norirobotics.com | S26 | Active | The most capable American-made humanoid robot for $1,688 | |
| Olam Labs | https://olamlabs.ai | S26 | Active | Crafting simulations for frontier lab model training | |
| Omanta | https://omanta.com/ | S26 | Active | A research lab for one | |
| OneCLI | https://onecli.sh | S26 | Active | AI teammates for your business-critical work. | |
| OneTriangle | https://onetriangle.ai/ | S26 | Active | The cheapest, fastest inference cloud | |
| Ooak Data | https://ooakdata.com/ | S26 | Active | We turn company data into training data | |
| OpenRelay | https://www.openrelay.inc | S26 | Active | Distributed, hardware-agnostic AI inference | |
| OpenTag | https://www.tryopentag.com/ | S26 | Active | Model Agnostic AI coworker in Slack | |
| OpenVector | https://openvector.com | S26 | Active | AI that turns any camera to an autonomous worker with real-time vision | |
| Operon | https://operonsolutions.com/en | S26 | Active | Agentic data layer for manufacturing & process industries. | |
| Orchestra | https://orchestra.ai/ | S26 | Active | Self-optimizing neocloud that cuts LLM costs by 100x | |
| OS3 | https://os3robotics.com/ | S26 | Active | Affordable, intelligent humanoid robots built to deploy at scale | |
| Osseus | https://osseus.ai/ | S26 | Active | The frontier data platform for aligned health and biological AI | |
| Pacific | https://pacific.space | S26 | Active | Mass-producing and financing micro data center incredibly quickly. | |
| Palette | https://palettelabs.com/ | S26 | Active | The Media Engine of the AI Era | |
| Palisade | https://palisade.run | S26 | Active | AI-native sales agents that run marketplaces | |
| Palisade | https://palisade-ai.com/ | S26 | Active | AI that finds and fixes OS-level vulnerabilities across device fleets | |
| Pango | https://pango.ai/ | S26 | Active | Agentic OS for e-commerce operations | |
| Parasma | https://parasma.com | S26 | Active | Replacing GPUs with human brain cells | |
| Peer | https://peer-freight.com | S26 | Active | AI-native freight brokerage | |
| Pennant | https://www.getpennant.ai | S26 | Active | The World Model for Corporate Governance | |
| Perceptron ML | https://perceptronml.com | S26 | Active | We make law firms AI-native. | |
| Petrarch | https://petrarch.co/ | S26 | Active | Internal industrial company data for frontier labs | |
| Pluto | https://talentpluto.com | S26 | Active | LinkedIn for agents | |
| PokerClubHub | https://www.pokerclubhub.com | S26 | Active | Host a Poker Club and Make Money | |
| Poth Labs | https://pothlabs.com | S26 | Active | The customer brain that connects data to explain customer behavior | |
| Praxis Robotics | https://www.praxisrobotics.io | S26 | Active | Turns real businesses into robotics data vendors | |
| Prescience, Inc. | https://www.getprescience.com/ | S26 | Active | Superintelligent health insurance that keeps employees healthy | |
| PRINCEPS | https://princeps.dev | S26 | Active | AI-native insurance company for the compute economy | |
| Prized | https://prized.dev | S26 | Active | A cloud devbox that feels local | |
| Prodigy Research | https://prodigy.markets | S26 | Active | Training the world's best AI model for quantitative finance. | |
| Proprio Robotics | https://www.propriorobotics.com/ | S26 | Active | Robots to maintain and assemble data centers | |
| ProvenMetal | https://provenmetal.com | S26 | Active | AI-native electronics manufacturing for the American industrial base | |
| Qlo | https://www.getqlo.com/ | S26 | Active | Legora for commercial insurance carriers | |
| Radley | https://radley.health/ | S26 | Active | The AI-native radiology practice | |
| Rapidfolio | https://rapidfolio.com/ | S26 | Active | AI-native back-office for banks and fintechs | |
| Rasyn | https://www.rasyn.ai/ | S26 | Active | Making chemicals 100,000x faster | |
| Rational | https://rational.to | S26 | Active | First Zero-human Accounting Firm | |
| RealPact | https://realpact.ai | S26 | Active | AI-native OS for Real Estate Brokerages | |
| rekursiv.ai | https://rekursiv.ai | S26 | Active | Scale AI scientists whose own breakthroughs accelerate the next. | |
| Rex | https://www.rex.inc | S26 | Active | AI-native BPO for enterprise order-to-cash | |
| Riften | https://riften.ai | S26 | Active | Earned intelligence for every company | |
| Rindler | https://maxxwell.dev | S26 | Active | The IDE for Tokenmaxxers | |
| Rise Reforming | https://rise-reforming.com/home | S26 | Active | We turn waste gases into supply-secure chemicals | |
| Risklytics | https://www.risklytics.ai/ | S26 | Active | AI-Native Insurance for Frontier Tech | |
| Robocurve | https://robocurve.org | S26 | Active | Evals for robots | |
| RonanRx Inc. | https://ronanrx.com/ | S26 | Active | Full Stack Pharmaceutical Company for Personalized Peptides and GLP-1s | |
| Salem Robotics Inc | https://salemroboticsinc.com | S26 | Active | Deploying robots to replace workers in hazardous spaces | |
| screenpipe | https://screenpipe.com | S26 | Active | Turn your company's computer work into AI agents. | |
| Shielded | https://www.shieldedglobal.com/ | S26 | Active | We help Fortune 500 companies hedge their supply chain risk | |
| Shiraz AI | https://shiraz.ai | S26 | Active | Robots that learn on the job | |
| Sidekick | https://textsidekick.com/ | S26 | Active | AI agent that manages manufacturing operations over text | |
| Skymerse | https://skymerse.com | S26 | Active | Autopilot for Flight Operations | |
| Snowstone | https://snowstone.ai | S26 | Active | AI-Driven Value Creation and Margin Expansion for Private Equity | |
| SpaceFlow Technologies, Inc. | https://spaceflow.tech | S26 | Active | AI-native procurement services for the physical economy | |
| Spectre Intelligence | https://www.spectreintelligence.ai | S26 | Active | We are a multi-strategy trading firm that trains AI traders. | |
| Speko | https://speko.ai/?utm_source=ycombinator&utm_medium=profile | S26 | Active | OpenRouter for Voice AI: one API, every call on the best speech model | |
| Standard Machines | https://standardmachines.com | S26 | Active | Teaching AI to Design Chips | |
| Stoa | https://www.stoaexchange.com | S26 | Active | The market behind AI hardware. | |
| Studio | https://trystudio.ai | S26 | Active | Accurately simulate market response at scale | |
| SubVysion | https://subvysion.com | S26 | Active | Autonomous rovers to make the ‘Google Maps’ of underground utilities | |
| Sunflower | https://sunflowerclinic.com/ | S26 | Active | We are building an AI-native telemedicine clinic for addiction. 🌻 | |
| Synapse Semiconductor | https://synapsesemi.org | S26 | Active | New semiconductors that merge compute and vision | |
| TareBio | https://tarebio.com/ | S26 | Active | Vaccines for any cancer or infection in weeks. | |
| Tarifflo Inc. | https://www.tarifflo.com | S26 | Active | Supply chain compliance and cost savings | |
| tash | https://www.tradetash.com | S26 | Active | The S&P of Trading Cards | |
| Tenor | https://heytenor.com/ | S26 | Active | Infrastructure for building and scaling AI-native businesses. | |
| Tensr | https://tensr.com/ | S26 | Active | Robotic factories that build robots | |
| Tokenless | https://usetokenless.com | S26 | Active | We find flaws in RL environments and evals and help you fix them. | |
| Torus | https://www.usetorus.com | S26 | Active | Legora for physical engineering firms | |
| Touchmark | https://touchmark.ai | S26 | Active | Market for future inference capacity | |
| TovenAI | https://toven.ai | S26 | Active | AI agents for compliance at institutional trading firms | |
| Traceforce | https://www.traceforce.ai | S26 | Active | CrowdStrike for AI Agents | |
| Tracer | https://tracerml.ai | S26 | Active | Combining open-source AI models for better answers at lower cost | |
| Trident | https://tridentsecurity.io/ | S26 | Active | Autonomous offensive security agents. The best defense is offense | |
| Trope | https://trope.ai | S26 | Active | AI FDE that deploys custom AI agents into ERPs | |
| TryNearby | https://trynearby.com | S26 | Active | Local creators for local businesses | |
| Tsenta | https://tsenta.com | S26 | Active | AI career agent that finds matching jobs & applies on your behalf | |
| Ultrasonium | https://ultrasonium.com/ | S26 | Active | Metal manufacturing, faster, cheaper, and more versatile. | |
| Verdant | https://www.verdantapp.com/ | S26 | Active | AI Agents to Make Local Gov Efficient | |
| Verdict Machine | https://verdictmachine.com | S26 | Active | AI cybersecurity for financial institutions' digital assets | |
| Vernius Systems, Inc. | https://www.vernius.systems | S26 | Active | Mass-deployable radars for air defense | |
| Vestris | https://vestris.ai/ | S26 | Active | AI native platform for real estate closings | |
| Waddle Labs | https://www.waddlelabs.ai/ | S26 | Active | LLMs that control robots | |
| Waybill | https://www.waybill.to/ | S26 | Active | Agentic procurement & inventory for deep tech teams. | |
| Whitespace | https://whitespacehq.ai/ | S26 | Active | AI Operating System for Wholesale Distribution | |
| Wondering | https://wondering.app | S26 | Active | Duolingo for learning anything | |
| WonderTx | https://wondertx.ai/ | S26 | Active | Extrapolative AI to unlock First-in-Class drugs | |
| Zaplar | https://zaplar.com | S26 | Active | Agentic Hotel Operating System | |
| Zomma | https://zommalabs.com | S26 | Active | The AI BPO for financial servies, run by computer-use agents |