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YC class W26

Winter 2026

197 companies in this class

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197 shown

Name URL Class Status Description
/dev/fast https://dev.fast W26 Active /dev/fast is the AI-native code forge
10x Science https://10xscience.com W26 Active The AI-native platform for next-generation protein characterization.
21st https://21st.dev W26 Active UI building blocks for the agentic internet
Aemon https://aemon.ai/ W26 Active The Forward-Deployed AI Research Engineer
Agentic Fabriq https://www.agenticfabriq.com W26 Active The control plane for AI agents.
Alt-X https://alt-x.co W26 Active Building the best venue for private markets exposure.
Anchorhead https://www.anchorhead.ai W26 Active Evals for frontier research agents
Approxima https://approxima.ai W26 Active Your software should build itself.
ARC Prize Foundation https://arcprize.org/ W26 Active AI benchmarks that measure general intelligence and inspire new ideas
Ashr https://ashr.io W26 Active Enterprise post-training, monitoring, and continual learning platform
Asimov https://tryasimov.ai/ W26 Active Real-world human movement data for humanoid robots
Aurorin CAD https://aurorincad.com W26 Active Claude code for Mechanical Engineers
AutoSitu https://autositu.com/ W26 Active The AI operating system for the built world
Autumn https://autumn.ai W26 Active The people-intelligence company.
Avoice https://avoice.co/ W26 Active AI-native workspace for AEC
AxionOrbital Space https://axionorbital.space/ W26 Active Foundation models for 24/7 Earth Observation
Axis https://axisanalysis.com W26 Active An AI Copilot for Trading Desks
Balance https://getbalance.ai W26 Active Full-Stack AI Accounting
BaseFrame W26 Active Detect what AI can automate for your team
Beacon Health https://www.beaconhealth.ai/ W26 Active AI Employees for Primary Care
BeeSafe AI https://beesafe.ai/ W26 Active Frontier AI Defenses for Social Engineering Attacks
Beyond Reach Labs https://www.beyondreachlabs.com W26 Active Space solar arrays that grow to the size of a football field in orbit
Bidflow https://usebidflow.com W26 Active AI Takeoffs for Electrical
Booko https://booko.com W26 Active Dynamically pricing the whole economy.
Brumby https://brumby.com W26 Active Robot Cowboys that Herd Cattle with AI Drones
Bubble Lab https://bubblelab.ai/ W26 Active Turn gatherings into lasting relationships.
Burt https://www.burthq.com/ W26 Active AI teammates for logistics
Button Computer https://buttoncomputer.com W26 Active The tiny computer built for voice AI.
Byteport https://byteport.com/ W26 Active Global upload acceleration for 1GB-100TB files.
Cajal https://caj.al/ W26 Active Scaling formal verification to accelerate scientific discovery
Canary https://www.runcanary.ai W26 Active Adversarial AI that breaks your AI
Captain https://captain.dev W26 Active Self-tuning search for products and files
Cardboard https://cardboard.ai W26 Active Agentic video editor
Cardinal https://trycardinal.com W26 Active Revenue Agents for GTM teams
Caretta https://www.caretta.so W26 Active Realtime AI for Sales Calls
Carrot Labs https://superpenguin.ai/ W26 Active AI Cost Management: Track and attribute AI spend across every provider
CatchBack Cards https://catchbackcards.com W26 Active The most thrilling way to create and rip digital collectible packs
CellType https://www.celltype.com W26 Active The agentic drug company. We simulate human biology.
Chamber https://www.usechamber.io W26 Active The AIOps Agent for ML Teams
Chasi https://chasi.ai/ W26 Active AI Revenue Engine for the Equipment Industry
ClaimGlide https://claimglide.com/ W26 Active AI automated prior-auths for private medical practices
CodeWisp https://codewisp.ai/ W26 Active Anyone can create real games with AI
Cofia https://cofia.ai W26 Active AI automations that implement themselves
Compresr https://compresr.ai W26 Active LLM context compression for better accuracy
Condor Energy https://www.condor.energy W26 Active Software for enterprise energy procurement.
Confluence Labs https://confluence.sh W26 Active AI models that learn from experience
Congruent https://congruent.io W26 Active AI native radars for self-driving cars
Constellation Space https://constellation.space/ W26 Active AI operating system for mega-scale satellite networks.
Copperlane https://www.copperlane.ai W26 Active Agentic Mortgage Origination
Corelayer https://www.corelayer.com W26 Active AI production engineer for regulated industries
Corvera https://corvera.ai/ W26 Active The AI sales agent for CPG brands
Crosslayer Labs https://www.crosslayerlabs.com/ W26 Active Protect, monitor and defend your Internet presence
Cumulus Labs https://cumuluslabs.io W26 Active The Fastest Multimodal Inference OS
DAIVIN! https://www.daivin.tech/ W26 Active Tankless Dive Gear - Breath Autonomy at Sea, Land & Space
Didit https://didit.me/ W26 Active Infrastructure for identity and fraud.
Ditto Biosciences https://www.dittobio.com/ W26 Active Evolutionary intelligence for autoimmune disease
Docura Health https://docurahealth.com W26 Active AI-Native Med-Legal Firm
Doomersion https://doomersion.com/ W26 Active Doomscroll to learn languages
EigenPal https://www.eigenpal.com/ W26 Active AI Document Workflows for Enterprises
Emdash https://emdash.com W26 Active Agentic Development Environment
End Close https://endclose.com W26 Active AI powered reconciliation for high-volume payments companies
Envariant https://envariant.ai/ W26 Active Interpretability and reasoning infra for foundation models.
Eos AI https://www.helloeos.ai/ W26 Active Autonomous OS for healthcare
Fed10 https://www.fed10.ai W26 Active AI Agents for Government Affairs
Fenrock AI https://fenrock.ai/ W26 Active AI agents for banks
Fern https://fern.bot W26 Active RL environments for robotics companies
Fixture https://fixture.ai W26 Active An agentic CRM built for Startups
Foreman https://foreman.co W26 Active Keeping contractors on the job site, not behind a desk.
Fort https://fort.cx W26 Active Strength Tracking Wearable
Forum https://www.forum.market/ W26 Active The first exchange to trade on attention.
FullSeam https://fullseam.com W26 Active AI agents for corporate accounting teams
Galactic Resource Utilization Space, Inc. (GRU Space) https://gru.space W26 Active Moon Hotel -> The Intergalactic Construction Company of Earth
General Astronautics https://generalastro.com/ W26 Active Superintelligent space Robots
General Legal https://general.legal W26 Active Elite AI law firm for high growth companies
Grade https://usegrade.com W26 Active API for performance-based payroll
Haladir https://www.haladir.com/ W26 Active Operational Intelligence for Global Logistics
Hlabs https://www.hlaboratories.com W26 Active US-Made Parts for Robots
Human Archive https://www.humanarchive.ai/ W26 Active Physical AI data lab
IncidentFox https://incidentfox.ai W26 Active AI SRE agent that triages, coordinates, and fixes production incidents
Instinct https://instinct.xyz W26 Active Trade with superhuman instinct
InventoryQuant https://www.inventoryquant.com W26 Active We automate the inventory process in insurance
Janeen https://janeen.care W26 Active Prior auths and benefits investigation for infusion clinics
Jinba https://jinba.io W26 Active Automate enterprise workflows through chat
Khotan (formerly Pollinate) https://www.khotan.com/ W26 Active FDE as a platform for rebuilding critical operations in software.
Kita https://www.kita.ai/ W26 Active Underwrite borrowers around the world in minutes
Klaus AI W26 Inactive Fast and Safe OpenClaw on the cloud
Kyten Technologies W26 Inactive Custom Aerospace-Grade Battery Packs
Lance https://www.lance.live W26 Active AI Agents That Run Hotel Operations.
Laurence https://laurence.com W26 Active Quantitative research for autonomous e-commerce growth
LegalOS https://www.legalos.ai W26 Active The AI-Native Immigration Law Firm
Lexius https://www.lexius.ai W26 Active AI for Corporate Security Cameras
Lucent https://lucenthq.com W26 Active AI that automatically improves products from user behavior
Luel https://luel.ai W26 Active Turning everyday words and actions into usable training data.
Mango Medical https://mangomedical.io W26 Active Foundation models for planning orthopedic surgery
Mantis https://mantisbiotech.com/ W26 Active Digital Twins of humans
Martini https://martini.film W26 Active AI Video Production for Professionals
Maven https://trymaven.com W26 Active Payments for Conversational Agents
Maywood https://maywoodai.com/ W26 Active The first finance-compliant proactive AI that runs 24/7
Mendral W26 Inactive AI DevOps Engineer
Menza https://menza.ai/ W26 Active The AI data analyst for consumer brands
Milliray https://milliray.com/ W26 Active Technology to detect and track small drones
Mirabelle https://meetmirabelle.com W26 Active Your own chef at home
MochaCare https://www.mochacare.com/ W26 Active Agentic Management Service for Care Organizations
Moda https://moda.dev W26 Active Your agents should never make the same mistake twice.
Moritz http://moritzlegal.com/ W26 Active Global AI-native law firm handling legal work with same-day turnaround
MouseCat https://www.mousecat.ai W26 Active AI to fight financial crime
Ndea https://ndea.com W26 Active Building AGI that can innovate.
o11 https://o11.ai W26 Active OpenRouter wallet for paid goods and services
OctaPulse https://www.tryoctapulse.com/ W26 Active OctaPulse builds computer vision and robotics for fish farms and…
One Robot https://www.onerobot.io/ W26 Active World models for robot evals and training.
Opalite Health http://opalitehealth.com/ W26 Active Helping Healthcare Providers Speak Any Language
OpenSpec http://openspec.dev W26 Active Plan mode for complex features
Origami Robotics https://www.origami-robotics.com W26 Active Manipulate Anything Robot
Origin https://origin.bio/ W26 Active AI and Data for Cancer Therapeutics
Orthogonal https://orthogonal.com W26 Active Agentic Payments for APIs
Ossus https://www.ossus.com W26 Active Intelligence for cultural institutions
Overdrive Health https://overdrive.health W26 Active AI-Native Medical Billing Services
Overshoot https://overshoot.ai W26 Active AI Infra for real-time vision applications
Oximy https://oximy.com W26 Active Take command of the AI your company already runs on.
Oxus https://oxus-ai.com/ W26 Active AI-powered automation for internal audit workflows
Palus Finance https://palus.finance W26 Active Your startup's financial advisor
Panta https://pantainsure.com W26 Active AI Native Commercial Insurance Brokerage
Parameter https://parameter.ai?utm_source=ycombinator&utm_medium=referral&utm_campaign=parameter-profile W26 Active Security builds trust. Strengthen both, all on one platform.
Patientdesk.ai https://patientdesk.ai/ W26 Active AI front & back office agent for dental practices
Pax Historia https://www.paxhistoria.co W26 Active The first AI-powered worldbuilding and gameplay platform
Payna https://payna.com/ W26 Active AI Licensing Agent for Regulated Industries
Perfectly https://www.perfectly.so/ W26 Active The AI-native Recruiting OS
Piris Labs https://pirislabs.io/ W26 Active The Networking Layer of AI
Pocket https://heypocket.com/now W26 Active Take Notes in the Real World
Pollen https://www.pollen.cx/ W26 Active AI employees trained on your firm's workflows.
Polymath https://polymathlabs.ai/ W26 Active Simulation environments to train & evaluate long-horizon AI agents
Polymorph https://usepolymorph.com/ W26 Active Building secure polymorphic apps
Prana https://pranadoc.com W26 Active An AI primary care doctor in your pocket
Proximitty https://proximitty.ai W26 Active AI operating system for commercial loans
Q2Q W26 Inactive We help private equity teams find acquisition targets faster
Quotient Labs https://quotientlabs.com W26 Active Use Claude Code at 47% less cost in one line of installation.
RamAIn https://ramain.ai W26 Active RamAIn - AI Employees with a computer to perform business tasks just…
Reframe http://usereframe.ai W26 Active AI-native, hardware procurement marketplace
Remix https://remix.re W26 Active Social media content auto-generated with your existing data
Remy AI https://www.tryremy.ai/ W26 Active Automating dexterous tasks in warehouses with AI-powered robots
Ressl AI https://ressl.ai W26 Active Train, eval and build autonomous agents
REV1 https://rev1.so W26 Active Claude Code for Mechanical Engineers
Revion https://revion.inc W26 Active Intelligence for Automotive Operations
Rhizome AI https://rhizomeai.com/ W26 Active Agent Platform for Life Sciences
Robby https://tryrobby.com W26 Active AI agents that grow revenue for home services businesses
RoboDock https://www.robodock.tech/ W26 Active Robots that run autonomous depots for autonomous fleets.
Rubric AI W26 Active Reasoning and verification infra for AI
RunAnywhere https://www.runanywhere.ai/ W26 Active Fastest inference anywhere: open models on-prem, hosted or on-device
Salus https://www.usesalus.ai/ W26 Active Guardrails to validate your agent's actions before they execute
Samora AI https://samora.ai/ W26 Active Multilingual voice agents that outperform humans
Scheduling Wizard https://www.schedulingwiz.com W26 Active Logistics infrastructure to modernize healthcare operations
Seeing Systems https://www.seeing-systems.com W26 Active Modular AI-Commanded Drones for Defence
Sentrial https://sentrial.com/ W26 Active Datadog for Agent Reliability
Sequence Markets https://sequencemkts.com/ W26 Active Low-latency execution across crypto, prediction, and tokenized assets
Servo7 https://servo7.com W26 Active Container unloading robots for warehouses
Shofo https://shofo.ai/ W26 Active The World's Largest Video Library
shortkit https://www.shortkit.dev W26 Active Media infra for consumer apps
Signals https://www.returnsignals.com W26 Active iMessage revenue channel for DTC brands that brings customers back
Sila https://silahq.com W26 Active Agentic Messenger
Sitefire https://sitefire.ai W26 Active Marketing suite for the agentic web
Skillsync https://skillsync.com W26 Active Notion for AI chats
Sparkles https://sparkles.dev W26 Active Make everyone on your team an engineer
Sponge https://paysponge.com/ W26 Active Financial infrastructure for the agent economy
SpotPay https://www.spotpay.ai/ W26 Active Stablecoin Global Bank Account
Squid https://squid.energy W26 Active AI agents for power grid planning 🦑
Standard Physics https://standardphysics.com/ W26 Active Fast Physics Simulations for Rapid Design and Real Time Control
Stilta https://stilta.com W26 Active Agentic AI for intellectual property
Strand AI https://strandai.com W26 Active Multimodal foundation models to predict uncollected patient biology
Synthetic Sciences https://syntheticsciences.ai/ W26 Active Infrastructure for Autonomous Science
Talking Computers https://talkingcomputers.ai W26 Active Real-time interaction models for voice agents
TensorTest https://www.tensortest.com W26 Active Evals, RL environments and training data for creative tasks
Tepali https://tepali.com W26 Active AI EMR for medspas & wellness clinics
Terminal Use https://www.terminaluse.com/ W26 Active AI-native transformation for operations-heavy companies
Terranox AI https://terranox.ai W26 Active The first AI-powered uranium discovery company
The Token Company https://thetokencompany.com W26 Active Compression middleware that improves LLM outputs
Traverse https://www.traverse.so W26 Active Custom models and inference, built and run for enterprises
Travo https://www.travoai.com/ W26 Active .
Turnstone https://myturnstone.ai W26 Active Work with agents that already know you
Unifold https://unifold.io W26 Active Multi-chain deposit and payment infrastructure
Unisson https://www.unisson.ai W26 Active AI agents that automate B2B software implementation
Valence https://valence.trade W26 Active Unified prediction markets trading platform
Valgo https://valgo.ai W26 Active Insurance risk layer for physical AI
Vector Legal https://vectorlegal.com W26 Active A premier AI-native law firm & legal operating system for Startups.
Vela https://tryvela.ai W26 Active AI Recruiting Coordinator for Executive Search
Velum Labs https://www.velum-labs.com/ W26 Active The OS for data quality across any stack
Ventura https://www.ventura.ai W26 Active AI Workforce for Distributors and Manufacturers
Verdex https://www.verdexai.com/ W26 Active AI Verification for Insurance
Veriad https://veriad.com W26 Active AI operating system for advertising
Visibl Semiconductors https://visiblsemi.com W26 Active Custom silicon for power electronics
Voltair https://voltairlabs.com/ W26 Active Autonomous Drones for Earth Observation
Voxel Energy https://voxelenergy.com/ W26 Active Energy independent data centers with solar and repurposed batteries.
VOYGR https://voygr.tech W26 Active Real-world place intelligence for AI apps and agents
Wayco https://wayco.ai W26 Active AI operator for medlegal cases
Wideframe https://wideframe.com W26 Active AI coworker for video editors to ship more video faster
Zatanna https://www.zatanna.ai/ W26 Active Turning all software into agent-first APIs
ZeroSettle https://zerosettle.io W26 Active Drop-in Direct Billing SDK for In-App Purchases
Zymbly https://www.zymbly.com W26 Active The decision-support layer for aviation ops teams to know what to do…