Y Combinator Fall 2026 companies
134 companies in the F26 batch. Read the one-liners rather than scanning the names — they are the most instructive part of the directory, because each one shows how a funded company chose to narrow its own description.
- Tire SwingYC Fall 2026· New York City, NY, USA· 2 people
AI Compliance for Affordable Housing
- DatabuddyYC Fall 2026· San Francisco, CA, USA· 1 people
AI Data Analyst for fast-growing teams
- The Company CompanyYC Fall 2026· San Francisco, CA, USA· 1 people
The last agent your company will ever need.
- GodHandsYC Fall 2026· San Francisco, CA, USA· 2 people
Your company’s operating model, learned from the work.
- Degla IncYC Fall 2026· Boston, MA, USA· 2 people
The fully autonomous intelligence layer in the sky.
- CollarYC Fall 2026· San Francisco, CA, USA· 2 people
AI for Investor Relations
- Nxtcure LabsYC Fall 2026· San Francisco, CA, USA· 0 people
The full-stack AI CRO for drug discovery.
- Rodeo RoboticsYC Fall 2026· San Francisco, CA, USA· 2 people
Robots for vehicle maintenance.
- CONUSYC Fall 2026· Cologne, NRW, Germany· 3 people
The AI knowledge layer for medical devices
- RightNowYC Fall 2026· San Francisco, CA, USA· 2 people
Co-designing the fastest intelligence
- Hickory & CompanyYC Fall 2026· Salt Lake City, UT, USA· 3 people
Hickory offers agentic compliance and BSA for banks and fintechs
- RomaYC Fall 2026· Remote· 3 people
Roma is the to-do list that does itself
- LyonYC Fall 2026· San Francisco, CA, USA· 2 people
Foundation models on enterprise transaction data.
- DefiniteYC Fall 2026· San Francisco, CA, USA· 3 people
Build everyday back-office agents on one live model of your books
- VelthaYC Fall 2026· San Francisco, CA, USA· 2 people
AI native TPA starting with workers comp
- isoquantYC Fall 2026· San Francisco, CA, USA· 2 people
Self-optimizing inference cloud for faster, cheaper AI
- Grep AIYC Fall 2026· San Francisco, CA, USA· 6 people
Self-improving agents that automate tedious operational work
- UFO.aiYC Fall 2026· San Francisco, CA, USA· 2 people
Next-generation agent operating system
- NeomatterYC Fall 2026· San Francisco, CA, USA· 2 people
AI that works for in-house legal teams
- SimanticYC Fall 2026· Waterloo, ON, Canada· 4 people
Firmware simulation for AI agents
- VoyagerYC Fall 2026· New York City, NY, USA· 6 people
Open harness for video and other creative work.
- Lambda RoboticsYC Fall 2026· San Francisco, CA, USA· 6 people
Robotics for AI Infrastructure
- HueYC Fall 2026· San Francisco, CA, USA· 2 people
Test agents in realistic worlds built from production usage
- herdrYC Fall 2026· Ankara, Ankara, Turkey· 1 people
building the open agent runtime
- Sentient OSYC Fall 2026· San Francisco, CA, USA· 2 people
On-device AI that knows your entire life and does your work overnight.
- SimulithicYC Fall 2026· San Francisco, CA, USA· 2 people
User simulations for production monitoring.
- ChemPilot.aiYC Fall 2026· Haifa, Haifa District, Israel· 3 people
Discover novel defense related materials/molecules.
- Veeza AIYC Fall 2026· Remote· 2 people
AI tourist visa agent for people with weak passports.
- Petrichor BioYC Fall 2026· San Francisco, CA, USA· 3 people
Wet lab infrastructure that turns AI experiments into training data.
- Kailash LabsYC Fall 2026· Bengaluru, KA, India· 2 people
A factory for small and specialized video reasoning models
- SaccadeYC Fall 2026· San Francisco, CA, USA· 2 people
World's Earliest Test for Alzheimer's Biomarkers
- Agent 37YC Fall 2026· New York City, NY, USA· 0 people
Persistent sandboxes for agents like hermes, openclaw, claude code
- SigmaYC Fall 2026· San Francisco, CA, USA· 2 people
Lakehouse-as-a-Service (LaaS)
- FaradayYC Fall 2026· San Francisco, CA, USA· 2 people
Agents running industrial enterprises from back office to shop floor
- Viraj AeroYC Fall 2026· Remote
Next generation gas turbines for data centers & aviation
- BoatYC Fall 2026· Paris, Île-de-France, France· 3 people
The best cloud VMs for billions of agents
- Applied KineticsYC Fall 2026· San Francisco, CA, USA· 2 people
AI for the industries that power America.
- Inflection Space SystemsYC Fall 2026· Los Angeles, CA, USA
Hyperscaling space manufacturing
- CapveonYC Fall 2026· San Francisco, CA, USA· 2 people
Turning infrastructure demand into action
- AviernYC Fall 2026· Los Angeles, CA, USA· 4 people
Unmanned cargo airplanes
- ForwardYC Fall 2026· San Francisco, CA, USA· 4 people
Unifying Global Private Credit
- StacktraceYC Fall 2026· San Francisco, CA, USA· 3 people
See and control what your agents actually do
- Rhem LabsYC Fall 2026· San Francisco, CA, USA· 2 people
Home care technology for aging parents and their families
- TalosYC Fall 2026· Baltimore, MD, USA· 3 people
Predictive maintenance for power infrastructure.
- Lantern AIYC Fall 2026· San Francisco, CA, USA· 4 people
Turn Your Taste Into Hires
- Munito AIYC Fall 2026· Paris, Île-de-France, France· 1 people
Open-model inference provider for Europe, private by default.
- MicoraYC Fall 2026· San Francisco, CA, USA· 4 people
Microgrids in a box built anywhere in days
- Nodus ComputeYC Fall 2026· San Francisco, CA, USA· 2 people
Intelligent Cloud for AI workloads
- MirrorsYC Fall 2026· San Francisco, CA, USA· 2 people
Give AI agents the right context at the right moment
- OnePatchYC Fall 2026· San Francisco, CA, USA· 2 people
Automate on-call at agent-scale.
- AsakanaYC Fall 2026· San Francisco, CA, USA· 4 people
Automating away manual admin for food distributors: texts to ERP
- BryelYC Fall 2026· San Francisco, CA, USA· 2 people
Building in-house, frontier AI labs for companies
- RiverYC Fall 2026· San Francisco, CA, USA· 2 people
The AI desktop.
- HopperYC Fall 2026· San Francisco, CA, USA· 2 people
Fast inference for voice
- TrueMileYC Fall 2026· San Francisco, CA, USA· 3 people
An AI-operated logistics company.
- ByteAskYC Fall 2026· San Francisco, CA, USA· 2 people
The AI coding agent for C and C++
- Antropi RoboticsYC Fall 2026· San Francisco, CA, USA· 0 people
Autonomous CNC factories for faster hardware
- ElimentaryYC Fall 2026· New York City, NY, USA· 5 people
Agents that run middle/back-office operations for Private Capital
- Agent RelayYC Fall 2026· San Francisco, CA, USA· 2 people
The infrastructure to run coding agents for your team
- InvertixYC Fall 2026· Munich, BY, Germany· 8 people
Energy Superintelligence, AI that operates critical infrastructure
- SintemYC Fall 2026· BY, Germany· 1 people
Agentic phones for teams
- Open ActuationYC Fall 2026· Los Angeles, CA, USA· 2 people
Quick-turn, purpose-built motors & actuators for all
- DydemaYC Fall 2026· San Francisco, CA, USA· 2 people
The model company for neurotech.
- Workers IOYC Fall 2026· San Francisco, CA, USA· 2 people
Simulation Environments for Verifying Mission Critical Software
- OasiveYC Fall 2026· San Francisco, CA, USA· 1 people
Helping bond investors find what's rich or cheap, and why
- Quivly AIYC Fall 2026· San Francisco, CA, USA· 4 people
AI agents that run onboarding, adoption, and renewals
- Shepherd RoboticsYC Fall 2026· San Francisco, CA, USA· 4 people
Robots for high skilled labor powering AI infrastructure
- DeployYC Fall 2026· San Francisco, CA, USA· 2 people
The generalist robot deployment company.
- Streamline SystemsYC Fall 2026· San Francisco, CA, USA· 2 people
Precision navigation for UAVs operating without GPS.
- ORO AIYC Fall 2026· Vancouver, BC, Canada· 2 people
Continuously improving evals for agentic commerce
- HemlockYC Fall 2026· San Francisco, CA, USA· 1 people
Force-sensing wristband for training robotic AI
- twentyfour26YC Fall 2026· San Francisco, CA, USA· 2 people
On Demand CNC Prototyping
- Orca AerospaceYC Fall 2026· San Francisco, CA, USA· 5 people
AI spacecraft operators that lives onboard the vehicle
- PloidYC Fall 2026· San Francisco, CA, USA· 2 people
The people data company for the agent era
- Primordiant (Formerly SuperRadiant)YC Fall 2026· San Francisco, CA, USA· 3 people
Embodied Scientific Intelligence
- RysticYC Fall 2026· San Francisco, CA, USA· 2 people
API simulators for testing and training agents locally
- VoreliosYC Fall 2026· San Francisco, CA, USA· 2 people
A foundation model for engineering physics
- Dreamscale LabsYC Fall 2026· San Francisco, CA, USA· 4 people
Real-time cloud inference for robotics.
- Halmos LabsYC Fall 2026· Lund, Skåne County, Sweden· 3 people
Maximum information per experiment, minimum experiments per conclusion
- Resin TechnologiesYC Fall 2026· San Francisco, CA, USA· 0 people
Resin helps engineers design electronics faster and more reliably
- Ignition BenefitsYC Fall 2026· Los Angeles, CA, USA· 12 people
The AI-Native Benefits Brokerage
- PomeradoYC Fall 2026· San Francisco, CA, USA· 2 people
Turn any website into an MCP for your agents, in minutes
- Polemos IndustriesYC Fall 2026· San Francisco, CA, USA· 0 people
AI-guided ballistic missiles, cheap enough to field in numbers that…
- CoveraYC Fall 2026· San Francisco, CA, USA· 2 people
AI-native OS for insurance brokers
- Hesper AIYC Fall 2026· New York City, NY, USA· 2 people
AI Claims Investigator for Insurance
- OpenSEOYC Fall 2026· Boston, MA, USA· 2 people
Open source alternative to Semrush and Ahrefs
- ReconeroYC Fall 2026· San Francisco, CA, USA· 2 people
Reconero helps police officers automate their workflows with AI
- VexoYC Fall 2026· San Francisco, CA, USA· 3 people
An AI bracelet that remembers your day and acts before you ask.
- Archangel HealthYC Fall 2026· San Francisco, CA, USA· 2 people
Infra to make AI safe enough to practice medicine
- NativeYC Fall 2026· San Francisco, CA, USA· 6 people
Artificial Intuition for marketing
- Shire IntelligenceYC Fall 2026· Myrtle Beach, SC, USA· 4 people
Shire uses CCTV to run restaurants in real time.
- SilicaYC Fall 2026· San Francisco, CA, USA· 1 people
Actuators for Physical AI
- LatentYC Fall 2026· San Francisco, CA, USA· 1 people
Catch wrong LLM answers before your customers do
- antimattrYC Fall 2026· San Francisco, CA, USA· 2 people
voice-first hardware interface for human-agent interaction
- VyraYC Fall 2026· San Francisco, CA, USA· 2 people
Autonomous video editing for non-editors.
- PreloadYC Fall 2026· San Francisco, CA, USA· 3 people
Motor cortex for physical AI
- SutrixYC Fall 2026· San Francisco, CA, USA· 2 people
AI-native statistical analysis for patient outcomes
- OpEraYC Fall 2026· San Francisco, CA, USA· 2 people
The AI decision engine for factories, warehouses and fleets
- PapayaYC Fall 2026· San Francisco, CA, USA· 3 people
Continuous optimization for AI agents
- SinterYC Fall 2026· El Segundo, CA, USA· 2 people
Accelerating scaled plastics with additive technologies
- Perit.AIYC Fall 2026· San Francisco, CA, USA· 47 people
Expert-led data and RL platform for AI labs
- AsimYC Fall 2026· San Francisco, CA, USA· 4 people
Enable robots to operate safely in the real world.
- UXDuckYC Fall 2026· San Francisco, CA, USA· 1 people
Android for drones
- Sona8YC Fall 2026· San Francisco, CA, USA· 5 people
Context layer for enterprise AI surveying employees with voice agents
- MeltyYC Fall 2026· San Francisco, CA, USA· 0 people
Mashup any game
- QuippyYC Fall 2026· San Francisco, CA, USA· 1 people
Helps build social skills through daily practice
- ComposalYC Fall 2026· London, England, United Kingdom· 3 people
Swarms of agents acting like users to find bugs before release
- Acyclic LabsYC Fall 2026· London, England, United Kingdom· 2 people
Agent swarms that make long-running tasks exponentially faster
- TilionYC Fall 2026· San Francisco, CA, USA· 4 people
Super fast, unblockable browser infra for agents
- CleanYC Fall 2026· San Francisco, CA, USA· 5 people
We tell sellers exactly when a company is ready to buy.
- Volaren Inc.YC Fall 2026· New York City, NY, USA· 4 people
Turning Ideas into Trades. Volaren puts the hedge fund in the hands…
- SpineYC Fall 2026· San Francisco, CA, USA· 0 people
We run benefits, payroll & compliance for startups, for free
- TerseYC Fall 2026· New York City, NY, USA· 2 people
Durable state for AI agents
- The Subvocal CompanyYC Fall 2026· San Francisco, CA, USA· 3 people
Talk to your computer without talking
- FrontrunnerYC Fall 2026· San Francisco, CA, USA· 2 people
Cursor for GTM
- DecentYC Fall 2026· San Francisco, CA, USA· 2 people
Your health plan should get better year-round. Not just once a year.
- Theseus RoboticsYC Fall 2026· ZH, Switzerland· 7 people
Humanoids to restock retail shelves & pick orders
- AscenixYC Fall 2026· Toronto, ON, Canada· 7 people
Clinical intelligence layer for skilled nursing facilities.
- GrayPassYC Fall 2026· Toronto, ON, Canada· 2 people
Verify that the expected person is in control before key actions.
- CyclonYC Fall 2026· San Francisco, CA, USA· 2 people
a phone where AI is the interface
- AgeospatialYC Fall 2026· San Francisco, CA, USA· 1 people
Physical intelligence for every decision with Geospatial AI.
- HABUYC Fall 2026· Phoenix, AZ, USA· 2 people
Like Crosby, but for real estate development
- The Agentic Data Co.YC Fall 2026· San Francisco, CA, USA· 2 people
Training Data For Speech Models.
- Redoubt InsuranceYC Fall 2026· Salt Lake City, UT, USA· 0 people
Commercial insurance for small businesses
- LarkYC Fall 2026· San Francisco, CA, USA· 2 people
Lark - AI agents that automate workflows for wholesale distributors
- HundredYC Fall 2026· San Francisco, CA, USA· 3 people
100% automated inspection for consumer electronics parts
- OpenHackYC Fall 2026· San Francisco, CA, USA· 1 people
Always-on AI security engineer
- SintropixYC Fall 2026· Santiago, Santiago Metropolitan Region, Chile· 2 people
Autonomous accounting platform for global companies
- RATLOGYC Fall 2026· Dresden, SN, Germany· 4 people
Reusable heavy-lift rockets
- MaritimeYC Fall 2026· San Francisco, CA, USA· 3 people
The managed cloud for AI agents.
- DeepMarkYC Fall 2026· San Francisco, CA, USA· 5 people
A live watermark inside AI voice that survives phone calls
- Boxes.devYC Fall 2026· San Francisco, CA, USA· 2 people
Cloud development environments for AI coding
- MantleYC Fall 2026· San Francisco, CA, USA· 2 people
The pit crew for machines and robots.
- KeresYC Fall 2026· Denver, CO, USA· 3 people
Kill the drone, keep the jet. Reusable unmanned interceptors.