Robotics & physical AI 31
Humanoids, robot brains, actuators, robot data and evals, robots for labor.
Nervous System for Physical AI4YC ↗
Reliable infrastructure to build, deploy and manage real-world robots.3YC ↗
Human as API for robots2YC ↗
Enable robots to operate safely in the real world.4YC ↗
Autonomous construction on Earth and beyond8YC ↗
The generalist robot deployment company.2YC ↗
Running robot brains in the cloud4YC ↗
Industrial aOS between humans, agents, and robots2YC ↗
Robots for waste manipulation4YC ↗
Automate Data Evaluations for Physical AI and Robotics2YC ↗
Force-sensing wristband for training robotic AI1YC ↗
Robotics for AI Infrastructure6YC ↗
Robotic crews for large-scale infrastructure construction2YC ↗
Drop-in robotic labor that works on Day 12YC ↗
MantleThe pit crew for machines and robots.2YC ↗
Research lab building the most robotic household in the world2YC ↗
Virtual Reality for Training Robots2YC ↗
Building robots to automate wetlabs3YC ↗
The most capable American-made humanoid robot for $1,6885YC ↗
Affordable, intelligent humanoid robots built to deploy at scale2YC ↗
Quick-turn, purpose-built motors & actuators for all2YC ↗
Turns real businesses into robotics data vendors3YC ↗
Robots to maintain and assemble data centers1YC ↗
Evals for robots3YC ↗
Deploying robots to replace workers in hazardous spaces2YC ↗
Robots for high skilled labor powering AI infrastructure4YC ↗
Robots that learn on the job2YC ↗
Actuators for Physical AI1YC ↗
Embodied Scientific Intelligence3YC ↗
Robotic factories that build robots7YC ↗
LLMs that control robots2YC ↗
Manufacturing, energy & industrial 24
Factories, CNC, inspection, industrial automation, energy and grid infrastructure.
Autonomous CNC factories for faster hardware–YC ↗
AI for the industries that power America.2YC ↗
Floating nuclear powered data centers at sea.2YC ↗
OpenClaw for manufacturers2YC ↗
AI that runs factories.2YC ↗
AI-native test infrastructure layer for hardware companies3YC ↗
Automatic Diagnosis & Fix for Industrial Automation Cells2YC ↗
AI That Operates Energy Infrastructure2YC ↗
We make sure every factory in the world builds without mistakes.2YC ↗
Autonomous Hardware Testing–YC ↗
100% automated inspection for consumer electronics parts3YC ↗
Energy Superintelligence, AI that operates critical infrastructure8YC ↗
AI-Native Engineering Firm designing Data Centers2YC ↗
Drones that clear clouds over solar farms and weaken hurricanes2YC ↗
Microgrids in a box built anywhere in days4YC ↗
Industrial Controllers built for AI2YC ↗
AI that turns any camera to an autonomous worker with real-time vision4YC ↗
AI-native electronics manufacturing for the American industrial base4YC ↗
We turn waste gases into supply-secure chemicals4YC ↗
AI agent that manages manufacturing operations over text1YC ↗
Accelerating scaled plastics with additive technologies2YC ↗
Predictive maintenance for power infrastructure.3YC ↗
On Demand CNC Prototyping2YC ↗
Metal manufacturing, faster, cheaper, and more versatile.5YC ↗
Finance & trading 22
AI trading, asset management, credit, banking compliance and consumer finance.
The social trading app for stocks, memes, and perps3YC ↗
AI for Investor Relations2YC ↗
Financial infrastructure for family caregiving2YC ↗
Build everyday back-office agents on one live model of your books3YC ↗
Quant Neolab building self-improving agents from quant data2YC ↗
Building Autonomous Research Agents for Trading2YC ↗
Agents that run middle/back-office operations for Private Capital5YC ↗
Connect your agents to the stock market1YC ↗
Unifying Global Private Credit5YC ↗
Hickory offers agentic compliance and BSA for banks and fintechs3YC ↗
Predict how market participants behave2YC ↗
The Bloomberg of Loans2YC ↗
API-first tax engine for CPA firms and developers5YC ↗
Helping bond investors find what's rich or cheap, and why1YC ↗
The World Model for Corporate Governance2YC ↗
Training the world's best AI model for quantitative finance.2YC ↗
AI-native back-office for banks and fintechs–YC ↗
We help Fortune 500 companies hedge their supply chain risk–YC ↗
We are a multi-strategy trading firm that trains AI traders.2YC ↗
The BlackRock of collectibles4YC ↗
AI agents for compliance at institutional trading firms2YC ↗
Volaren collapses the hedge fund model and making it accessible to…4YC ↗
Vertical operating systems 21
AI that runs a specific kind of business: restaurants, hotels, auto shops, real estate, construction, local government.
The company brain for construction companies5YC ↗
AI agents that run small businesses2YC ↗
The AI-native property management company for short-term rentals2YC ↗
Hotels that run themselves2YC ↗
AI employees that run home appliance repair companies9YC ↗
Turning infrastructure demand into action2YC ↗
The AI Operating System for Auto Shops.2YC ↗
Using VLMs to Catch Damage2YC ↗
AI for Construction's Back Office2YC ↗
Like Crosby, but for real estate development2YC ↗
AI For The Skilled Workforce2YC ↗
The autonomous back-of-house for restaurants.2YC ↗
Agentic OS for e-commerce operations5YC ↗
AI-native OS for Real Estate Brokerages2YC ↗
Shire uses CCTV to run restaurants in real time.4YC ↗
Autonomous rovers to make the ‘Google Maps’ of underground utilities2YC ↗
AI Compliance for Affordable Housing2YC ↗
Legora for physical engineering firms6YC ↗
AI Agents to Make Local Gov Efficient2YC ↗
AI native platform for real estate closings2YC ↗
Agentic Hotel Operating System3YC ↗
Defense, aerospace & drones 19
Counter-drone, munitions, radar, satellites, space manufacturing and flight ops.
A new kind of camera that can see through walls.5YC ↗
Unmanned airplanes for geospatial intelligence4YC ↗
The fully autonomous intelligence layer in the sky.2YC ↗
Drone swarm defence at a small-unit level7YC ↗
Military exoskeletons5YC ↗
We make silicon on the Moon, to power everything in space.2YC ↗
Building a neutral, sovereign alternative to Starlink3YC ↗
Building drone swarms that hunt hidden enemies.4YC ↗
AI-Native Defense Contractor2YC ↗
Rocket cargo delivery to contested environments6YC ↗
Air Defense as a Service for Civilian Infrastructure.2YC ↗
Hyperscaling space manufacturing–YC ↗
Mass-produced AI strike systems and Counter-UAS30YC ↗
USA-made magnetics for robotics and defense.3YC ↗
AI spacecraft operators that lives onboard the vehicle3YC ↗
Autopilot for Flight Operations–YC ↗
Precision navigation for UAVs operating without GPS.2YC ↗
Mass-deployable radars for air defense3YC ↗
Next generation engines for aircraft and data centers–YC ↗
Agent plumbing 18
Gateways, tool routers, context, memory, identity, payments and guardrails for agents.
cards for AI agents–YC ↗
OpenRouter for Agent Tools2YC ↗
Research services for ChatGPT and Claude1YC ↗
The AI gateway for cheaper, faster, permissioned agents.1YC ↗
We give AI agents realtime web context via API6YC ↗
Training company-specific models that approve AI actions.2YC ↗
The open source tool gateway1YC ↗
Open source AI gateway that turns your traffic into better models2YC ↗
Multimodal Translation8YC ↗
building the open agent runtime1YC ↗
The identity and communication layer for AI agents3YC ↗
Search Engine for the Physical World2YC ↗
Fix your AI agent's errors at runtime, so they never happen twice2YC ↗
LinkedIn for agents5YC ↗
OpenRouter for Voice AI: one API, every call on the best speech model4YC ↗
Infrastructure for building and scaling AI-native businesses.3YC ↗
Durable state for AI agents2YC ↗
Next-generation agent operating system2YC ↗
Enterprise agents & knowledge work 18
Company brains, AI coworkers and agents that do knowledge work inside companies.
Organizing company knowledge3YC ↗
Autonomous IT Delivery4YC ↗
AI that finds value creation opportunities across enterprise…5YC ↗
The AI-native contact center3YC ↗
Multiplayer workspace for agents and humans2YC ↗
Institutional Learning Layer for Every Agent in Your Company1YC ↗
Your company’s operating model, learned from the work.2YC ↗
On-device Knowledge Graph engine for Enterprise Software1YC ↗
AI agents that automate high-stakes knowledge work you can't afford…6YC ↗
Platform + FDEs that rebuild enterprises agent-first3YC ↗
The open source AI teammates for your company.–YC ↗
Model Agnostic AI coworker in Slack3YC ↗
Earned intelligence for every company5YC ↗
The AI desktop.2YC ↗
Turn your company's computer work into AI agents.2YC ↗
Context layer for enterprise AI surveying employees with voice agents5YC ↗
The last agent your company will ever need.1YC ↗
AI FDE that deploys custom AI agents into ERPs2YC ↗
Training data & RL environments 17
Data, benchmarks and RL environments sold to frontier labs and model builders.
The biggest crowdsourced benchmark for Computer-Use2YC ↗
RL post-training for science reasoning and performance engineering3YC ↗
The secure training data R&D engine for physical AI2YC ↗
Network for Physical AI Data Business6YC ↗
Real-world RL environments for robotics models2YC ↗
Building Products and Datasets for Frontier Models4YC ↗
Monetize your agent's traces.1YC ↗
Simulating Agents Running Industrial Companies2YC ↗
Expert computer-use data for frontier AI labs2YC ↗
The crowdsourced benchmark for AI-generated music and music production-1YC ↗
Building multi-agent simulations for model evals and training.2YC ↗
We turn company data into training data5YC ↗
The frontier data platform for aligned health and biological AI2YC ↗
Expert-led data and RL platform for AI labs47YC ↗
Internal industrial company data for frontier labs3YC ↗
Training Data For Speech Models.2YC ↗
We find flaws in RL environments and evals and help you fix them.3YC ↗
Consumer apps & devices 17
Consumer agents, wearables, phones, content, learning and games.
voice-first hardware interface for human-agent interaction2YC ↗
AI-native learning for every school1YC ↗
a phone where AI is the interface2YC ↗
Your personal context, securely portable across every AI app.2YC ↗
AI brain for creators that runs their social content2YC ↗
Watch and create anime3YC ↗
agents for the rest of us3YC ↗
Host a Poker Club and Make Money–YC ↗
Helps build social skills through daily practice1YC ↗
Roma is the to-do list that does itself3YC ↗
On-device AI that knows your entire life and does your work overnight.2YC ↗
Talk to your computer without talking3YC ↗
AI career agent that finds matching jobs & applies on your behalf2YC ↗
AI tourist visa agent for people with weak passports.2YC ↗
An AI bracelet that remembers your day and acts before you ask.3YC ↗
Autonomous video editing for non-editors.2YC ↗
Duolingo for learning anything2YC ↗
Sales, marketing & hiring 15
GTM automation, sales coaching, marketing content, SEO and recruiting.
We help startups win gov contracts2YC ↗
We tell sellers exactly when a company is ready to buy.5YC ↗
The AI Coach for in person sales reps.4YC ↗
Cursor for GTM2YC ↗
Turn Your Taste Into Hires4YC ↗
Fully automated GTM for small business5YC ↗
Evals for humans3YC ↗
ModaFully editable slides, designs and video.6YC ↗
AI for high volume GTM Engineering5YC ↗
Open source alternative to Semrush and Ahrefs2YC ↗
The Media Engine of the AI Era2YC ↗
AI-native sales agents that run marketplaces1YC ↗
The customer brain that connects data to explain customer behavior2YC ↗
Accurately simulate market response at scale2YC ↗
Local creators for local businesses5YC ↗
Healthcare delivery & health IT 15
AI-native clinics and practices, health ops, records and consumer health.
AI-Native Medical Group for Mental Health3YC ↗
Infra to make AI safe enough to practice medicine2YC ↗
Clinical intelligence layer for skilled nursing facilities.7YC ↗
The AI operating system for radiology networks6YC ↗
AI agents to run primary healthcare operations10YC ↗
The AI knowledge layer for medical devices3YC ↗
Healthcare AI2YC ↗
Instant healthcare for all, starting with work comp2YC ↗
We sequence your gut and build the probiotics it’s missing7YC ↗
AI-native retrieval engine for medical records2YC ↗
24/7 Personal Health & Longevity Companion3YC ↗
Oura Ring for Skin3YC ↗
The AI-native radiology practice2YC ↗
Home care technology for aging parents and their families2YC ↗
We are building an AI-native telemedicine clinic for addiction. 🌻15YC ↗
Insurance 14
AI-native carriers, brokers, TPAs, claims and benefits.
Physical intelligence for every decision with Geospatial AI.1YC ↗
AI-native OS for insurance brokers2YC ↗
Your health plan should get better year-round. Not just once a year.2YC ↗
Dental Benefits for Startups1YC ↗
Florin is an AI-native insurance company that runs autonomously3YC ↗
AI Claims Investigator for Insurance2YC ↗
The AI-Native Benefits Brokerage8YC ↗
The AI-Native Decision Layer for Health Insurance3YC ↗
Superintelligent health insurance that keeps employees healthy5YC ↗
AI-native insurance company for the compute economy2YC ↗
Legora for commercial insurance carriers2YC ↗
Commercial insurance for small businesses–YC ↗
AI-Native Insurance for Frontier Tech2YC ↗
AI native TPA starting with workers comp2YC ↗
Inference, compute & model training 13
Cheaper or faster inference clouds, token-cost routing, compute markets, custom model training.
Your custom AI model factory1YC ↗
Derivatives Exchange for Compute2YC ↗
Least cost routing system to reduce 70%+ token spend4YC ↗
Fast inference for voice2YC ↗
Self-optimizing inference cloud for faster, cheaper AI2YC ↗
Intelligent Cloud for AI workloads2YC ↗
The cheapest, fastest inference cloud4YC ↗
Distributed, hardware-agnostic AI inference2YC ↗
Self-optimizing neocloud that cuts LLM costs by 100x2YC ↗
Co-designing the fastest intelligence2YC ↗
The market behind AI hardware.3YC ↗
Market for future inference capacity2YC ↗
Combining open-source AI models for better answers at lower cost1YC ↗
Coding agents & developer tools 13
Coding agents, IDEs, git, on-call/debugging and data tooling.
Databricks for Enterprise Codebases2YC ↗
Reliable and safe data engineering and data science agents3YC ↗
Devin for AI Research Engineering2YC ↗
The AI coding agent for C and C++2YC ↗
Vibecode + deploy HIPAA-compliant internal tools, no eng team needed2YC ↗
The Git forge for the next hundred billion commits1YC ↗
AI engineer that debugs and fixes production incidents in realtime8YC ↗
High performance coding agents1YC ↗
Engineering Intelligence and Token Optimization for the AI-Coding Era–YC ↗
Automate on-call at agent-scale.2YC ↗
The IDE for Tokenmaxxers2YC ↗
SigmaLakehouse-as-a-Service (LaaS)2YC ↗
Let your users build their own features on top of your product2YC ↗
AI-native service firms & back office 13
Law, accounting, BPO and collections firms run by AI, plus legal/HR back office.
AI-native debt collection company5YC ↗
AI-native Accounting Firm that's killing Deloitte–YC ↗
AI collections agency for late stage portfolios7YC ↗
We help lawyers start and scale AI-native law firms.3YC ↗
AI-native accounting firm.4YC ↗
The AI-native firm for public influence.3YC ↗
AI that works for in-house legal teams2YC ↗
We make law firms AI-native.2YC ↗
First Zero-human Accounting Firm2YC ↗
AI-native BPO for enterprise order-to-cash2YC ↗
Autonomous accounting platform for global companies2YC ↗
We run benefits, payroll & compliance for startups, for free–YC ↗
The AI BPO for financial servies, run by computer-use agents5YC ↗
Supply chain, logistics & procurement 12
Freight, trucking, distribution, procurement and trade.
AI order entry for food distributors: emails and texts to ERP4YC ↗
AI Brokers for Industrial Trade2YC ↗
The AI-native trading company: factory prices, delivered, one number5YC ↗
World Model for Freight–YC ↗
Lark - Specialized agents for wholesale distributors2YC ↗
Automated operations research (OR) lab2YC ↗
AI-native freight brokerage2YC ↗
AI-native procurement services for the physical economy4YC ↗
Supply chain compliance and cost savings5YC ↗
AI agents that run trucking operations.3YC ↗
Agentic procurement & inventory for deep tech teams.3YC ↗
AI Operating System for Wholesale Distribution2YC ↗
Bio, drugs & science 12
Drug discovery, therapeutics, materials and lab automation for science.
AI-native materials discovery powered by unpublished experimental data3YC ↗
AI-native pharma company3YC ↗
Curing cancer. Starting with dogs.2YC ↗
Maximum information per experiment, minimum experiments per conclusion3YC ↗
Resistance free pesticides.4YC ↗
The full-stack AI CRO for drug discovery.–YC ↗
A research lab for one6YC ↗
Wet labs for AI3YC ↗
Making chemicals 100,000x faster3YC ↗
Full Stack Pharmaceutical Company for Personalized Peptides and GLP-1s5YC ↗
Vaccines for any cancer or infection in weeks.1YC ↗
Extrapolative AI to unlock First-in-Class drugs3YC ↗
Chips & data-center hardware 11
New silicon, optical interconnect, bio-computing and data-center buildout.
Modernizing Chip Manufacturing Infrastructure4YC ↗
AI chips for ultra-fast training and inference3YC ↗
AI-controlled optical switching for AI clusters–YC ↗
Frontier grows scalable biological brains as an ML training substrate3YC ↗
AI tools for the chips your AI runs on2YC ↗
Making Diamond Semiconductors2YC ↗
Lightning fast chips with hardcoded AI models–YC ↗
Mass-producing and financing micro data center incredibly quickly.6YC ↗
Replacing GPUs with human brain cells2YC ↗
Teaching AI to Design Chips–YC ↗
New semiconductors that merge compute and vision2YC ↗
Agent sandboxes & cloud runtimes 10
Where agents run: sandboxes, VMs, devboxes, browsers, managed agent clouds.
Persistent sandboxes for agents like hermes, openclaw, claude code–YC ↗
The infrastructure to run coding agents for your team2YC ↗
API sandboxes, built for AI agents2YC ↗
The best cloud VMs for billions of agents3YC ↗
Cloud development environments for AI coding2YC ↗
Effortlessly deploy cloud software factories.2YC ↗
AWS for Agents1YC ↗
The managed cloud for AI agents.3YC ↗
A cloud devbox that feels local2YC ↗
Super fast, unblockable browser infra for agents4YC ↗
Security 10
Offensive/defensive AI security, agent security, identity and watermarking.
Hosting platform for software you can't afford to have hacked5YC ↗
A live watermark inside AI voice that survives phone calls5YC ↗
The world's frontier hacker of AI agents.2YC ↗
Verify that the expected person is in control before key actions.2YC ↗
Autonomous AI defense system for cyber attack4YC ↗
Always-on AI security engineer1YC ↗
AI that finds and fixes OS-level vulnerabilities across device fleets1YC ↗
CrowdStrike for AI Agents2YC ↗
Autonomous offensive security agents. The best defense is offense4YC ↗
AI cybersecurity for financial institutions' digital assets4YC ↗
Agent testing & simulation 8
Simulated APIs and worlds, evals and monitoring to catch agent failures before production.
We find where AI agents fail, then train better models to run them.2YC ↗
Test agents in realistic worlds built from production usage2YC ↗
Continuously improving evals for agentic commerce2YC ↗
Continuous optimization for AI agents3YC ↗
API simulators for testing and training agents locally2YC ↗
Firmware simulation for AI agents4YC ↗
User simulations for production monitoring.2YC ↗
Simulation Environments for Verifying Mission Critical Software2YC ↗
AI research labs & foundation models 8
Labs training their own models or automating research itself.
The model company for neurotech.2YC ↗
Autoresearch as a service: we solve your hardest measurable problems2YC ↗
Building intellectually curious AI2YC ↗
A factory for small and specialized video reasoning models2YC ↗
Foundation models on enterprise transaction data.2YC ↗
Defining the frontier of multiplayer AI.2YC ↗
Scale AI scientists whose own breakthroughs accelerate the next.5YC ↗
A foundation model for engineering physics2YC ↗