YC Winter 2026The W26 batch: 199 companies, 80% AI
199
companies
80%
AI
12
data
48
developer tools
By category
- AI160 (80%)
- Data1 (1%)
- Developer tools12 (6%)
- Other26 (13%)
The W26 companies
199 of 199 companies
/dev/fastAI/dev/fast is the AI-native code forge
10x ScienceAIThe AI-native platform for next-generation protein characterization.
21stAIUI building blocks for the agentic internet
AemonAIThe Forward-Deployed AI Research Engineer
Agentic FabriqAIThe control plane for AI agents.
Alt-XAIBuilding the best venue for private markets exposure.
AnchorheadAIEvals for frontier research agents
ApproximaAIYour software should build itself.
ARC Prize FoundationAIAI benchmarks that measure general intelligence and inspire new ideas
AshrAIEnterprise post-training, monitoring, and continual learning platform
Aurorin CADAIClaude code for Mechanical Engineers
AutoSituAIThe AI operating system for the built world
Autumn AIDeveloper toolsEverything on anyone.
AvoiceAIAI-native workspace for AEC
AxionOrbital SpaceAIFoundation models for 24/7 Earth Observation
AxisAIAn AI Copilot for Trading Desks
BalanceAIFull-Stack AI Accounting
BaseFrameAIDetect what AI can automate for your team
Beacon HealthAIAI Employees for Primary Care
BeeSafe AIAIFrontier AI Defenses for Social Engineering Attacks
BidflowAIAI Takeoffs for Electrical
Brumby (Formerly GrazeMate)AIRobot Cowboys that Herd Cattle with AI Drones
Bubble LabAITurn gatherings into lasting relationships.
BurtAIAI teammates for logistics
Button ComputerAIThe tiny computer built for voice AI.
ByteportAIGlobal upload acceleration for 1GB-100TB files.
CajalAIScaling formal verification to accelerate scientific discovery
CanaryAIAdversarial AI that breaks your AI
CaptainAISelf-tuning file search for AI agents
CardboardAIAgentic video editor
CardinalAIRevenue Agents for GTM teams
CarettaAIRealtime AI for Sales Calls
Carrot LabsAIAI Cost Management: Track and attribute AI spend across every provider
CascadeDeveloper toolsDistilling Proprietary Intelligence
CellTypeAIThe agentic drug company. We simulate human biology.
ChamberAIThe AIOps Agent for ML Teams
ChasiAIAI Revenue Engine for the Equipment Industry
ClaimGlideAIAI automated prior-auths for private medical practices
CodeWispAIAnyone can create real games with AI
CofiaAIAI automations that implement themselves
CompresrAILLM context compression for better accuracy
Condor EnergyAISoftware for enterprise energy procurement.
Confluence LabsAIAI models that learn from experience
CongruentAIAI native radars for self-driving cars
Constellation SpaceAIAI operating system for mega-scale satellite networks.
CopperlaneAIAgentic Mortgage Origination
CorelayerAIAI production engineer for regulated industries
CorveraAIThe AI sales engine for CPG brands
Crosslayer LabsDeveloper toolsProtect, monitor and defend your Internet presence
Cumulus LabsAIThe Fastest Multimodal Inference OS
DiditAIInfrastructure for identity and fraud.
Ditto BiosciencesAIEvolutionary intelligence for autoimmune disease
Docura HealthAIAI-Native Med-Legal Firm
EigenPalAIAI Document Workflows for Enterprises
EmdashAIOpen-source Agentic Development Environment
End CloseAIAI powered reconciliation for high-volume payments companies
EnvariantAIInterpretability and reasoning infra for foundation models.
Fed10AIAI Agents for Government Affairs
Fenrock AIAIAI agents for banks
FernDeveloper toolsRL environments for robotics companies
FixtureAIAn AI-first CRM built for Startups
ForemanAIKeeping contractors on the job site, not behind a desk.
FullSeamAIAI agents for corporate accounting teams
General LegalAIElite AI law firm for high growth companies
GradeAIAPI for performance-based payroll
HaladirAIOperational Superintelligence for Global Logistics
Human ArchiveAIPhysical AI data lab
IncidentFoxAIAI SRE agent that triages, coordinates, and fixes production incidents
InstinctAITrade with superhuman instinct
InventoryQuantAIWe automate the inventory process in insurance
Inviscid AIAIReal-time Physics Simulations for Industrial Facilities & Data Centers
JinbaAIAutomate enterprise workflows through chat
KitaAIUnderwrite borrowers around the world in minutes
Klaus AIDeveloper toolsFast and Safe OpenClaw on the cloud
LanceAIAI Agents That Run Hotel Operations.
LaurenceDataQuantitative research for autonomous e-commerce growth
LegalOSAIThe AI-Native Immigration Law Firm
LexiusAIAI for Corporate Security Cameras
LucentAIAI that automatically improves products from user behavior
LuelAITurning everyday words and actions into usable training data.
Mango MedicalAIFoundation models for planning orthopedic surgery
MantisAIDigital Twins of humans
MartiniAIAI Video Production for Professionals
MavenAIPayments Infrastructure for Conversational Agents
MaywoodAIThe first finance-compliant proactive AI that runs 24/7
MendralInactiveAI DevOps Engineer
MenzaAIThe AI data analyst for consumer brands
MirabelleAIYour robot chef
MochaCareAIAgentic Management Service for Care Organizations
ModaAIHarness Engineering Infrastructure that developers love.
MoritzAIGlobal AI-native law firm handling legal work with same-day turnaround
MouseCatAIAI to fight financial crime
NdeaAIBuilding AGI that can innovate.
o11AIThe AI Data Warehouse For Financial Firms
OctaPulseAICV and robotics to automate quality inspection in fish farms
Opalite HealthAIHelping Healthcare Providers Speak Any Language
OpenSpecAIPlan mode for complex features
OriginAIAI and Data for Cancer Therapeutics
OrthogonalAIAgentic Payments for APIs
OssusAIIntelligence for cultural institutions
Overdrive HealthAIAI-Native Medical Billing Services
OvershootAIAI Infra for real-time vision applications
OximyAITake command of the AI your company already runs on.
OxusAIAI-powered automation for internal audit workflows
Palus FinanceAIYour startup's financial advisor
PantaAIAI Native Commercial Insurance Brokerage
ParameterAISecurity builds trust. Strengthen both, all on one platform.
Patientdesk.aiAIAI front & back office agent for dental practices
Pax HistoriaAIThe first AI-powered worldbuilding and gameplay platform
PaynaAIAI Licensing Agent for Regulated Industries
PerfectlyAIThe AI-native Recruiting OS
Piris LabsAIThe Networking Layer of AI
PocketAITake Notes in the Real World
PollenAIAI agents that automate customer success
PolymathAISimulation environments to train & evaluate long-horizon AI agents
PolymorphAIBuilding secure polymorphic apps
PranaAIAn AI primary care doctor in your pocket
ProximittyAIAI operating system for commercial loans
Q2QInactiveWe help private equity teams find acquisition targets faster
Quotient LabsAIUse Claude Code at 47% less cost in one line of installation.
RamAInAIAutomate any UI task with natural language
ReframeAIAI-native, hardware procurement marketplace
RemixAISocial media content auto-generated with your existing data
Remy AIAIAutomating dexterous tasks in warehouses with AI-powered robots
Ressl AIAITrain, eval and build autonomous agents
REV1Developer toolsClaude Code for Mechanical Engineers
RevionAIIntelligence for Automotive Operations
Rhizome AIAIAgent Platform for Life Sciences
RitivelAIAI-native platform for Life-Sciences Documentation
RobbyAIAI agents that grow revenue for home services businessesRubric AIAIReasoning and verification infra for AI
RunAnywhereAIFastest inference anywhere: open models on-prem, hosted or on-device
SalusAIGuardrails to validate your agent's actions before they execute
Samora AIAIMultilingual voice agents that outperform humans
Scheduling WizardAILogistics infrastructure to modernize healthcare operations
Seeing SystemsAIModular AI-Commanded Drones for Defence
SentrialAIDatadog for Agent Reliability
Servo7AIContainer unloading robots for warehouses
ShofoAIThe World's Largest Video Library
shortkitDeveloper toolsMedia infra for consumer apps
SilaAIAgent Messaging Platform
SitefireAIMarketing suite for the agentic web
SkillsyncAINotion for AI chats
SparklesDeveloper toolsMake everyone on your team an engineer
SpongeAIFinancial infrastructure for the agent economy
SquidAIAI agents for power grid planning 🦑
StiltaAIAgentic AI for intellectual property
Strand AIAIMultimodal foundation models to predict uncollected patient biology
Synthetic SciencesDeveloper toolsInfrastructure for Autonomous Science
Talking ComputersAIReal-time interaction models for voice agents
TepaliAIAI EMR for medspas & wellness clinics
Terminal UseAIAI-native transformation for operations-heavy companies
Terranox AIAIThe first AI-powered uranium discovery company
The Token CompanyAICompression middleware that improves LLM outputs
TraverseAIResearch lab solving non-verifiable work
TurnstoneAIWork with agents that already know you
UnifoldDeveloper toolsMulti-chain deposit and payment infrastructure
UnissonAIAI agents that automate B2B software implementation
ValenceDeveloper toolsUnified prediction markets trading platform
ValgoAIInsurance risk layer for physical AI
Vector LegalAIA premier AI-native law firm & legal operating system for Startups.
VelaAIAI Recruiting Coordinator for Executive Search
Velum LabsAIThe OS for data quality across any stack
VenturaAIAI Workforce for Distributors and Manufacturers
VerdexAIAI Verification for Insurance
VeriadAIAI operating system for advertising
Visibl SemiconductorsAICustom silicon for power electronics
Voxel EnergyAIEnergy independent data centers with solar and repurposed batteries.
VOYGRAIReal-world place intelligence for AI apps and agents
WaycoAIAI operator for medlegal cases
WideframeAIAI coworker for video editors to ship more video faster
ZatannaAITurning all software into agent-first APIs
ZeroSettleDeveloper toolsDrop-in Direct Billing SDK for In-App Purchases
AsimovOtherReal-world human movement data for humanoid robots
Beyond Reach LabsOtherSpace solar arrays that grow to the size of a football field in orbit
BookoOtherDynamically pricing the whole economy.
CatchBack CardsOtherThe most thrilling way to create and rip digital collectible packs
DAIVIN!OtherTankless Dive Gear - Breath Autonomy at Sea, Land & Space
DoomersionOtherDoomscroll to learn languages
Eos AIOtherAutonomous OS for healthcare
FortOtherStrength Tracking Wearable
ForumOtherThe first exchange to trade on attention.
Galactic Resource Utilization Space, Inc. (GRU Space)OtherMoon Hotel -> The Intergalactic Construction Company of Earth
General AstronauticsOtherRobotics for Space R&D
HlabsOtherUS-Made Parts for Robots
Khotan (formerly Pollinate)OtherFDE as a platform for rebuilding critical operations in software.
Kyten TechnologiesInactiveCustom Aerospace-Grade Battery Packs
MillirayOtherTechnology to detect and track small drones
One RobotOtherWorld models for robot evals and training.
Origami RoboticsOtherManipulate Anything Robot
ProtentOtherReal time intelligence for law enforcement & security teams.
RoboDockOtherRobots that run autonomous depots for autonomous fleets.
Ruma CareOtherThe operations stack for biologic infusion clinics
Sequence MarketsOtherLow-latency execution across crypto, prediction, and tokenized assets
SignalsOtheriMessage revenue channel for DTC brands that brings customers back
SpotPayOtherStablecoin Global Bank Account
TravoOther.
VoltairOtherAutonomous Drones for Earth Observation
ZymblyOtherThe decision-support layer for aviation ops teams to know what to do…W26 among all batches
Top tags in W26
- Infrastructure8
- Developer Tools7
- Enterprise Software5
- Reinforcement Learning4
- Data Engineering4
- Fintech4
- Construction3
- Computer Vision3
- Automation3
- Operations3
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