Companies

199 companies match. Sources: YC directory, Techstars portfolio, a16z speedrun.

CompanyClusterNicheBatchAI
/dev/fast

/dev/fast is the AI-native code forge

Developer toolsAI-native code generation and reviewYC W26AI-native
10x Science

The AI-native platform for next-generation protein characterization.

Healthcare and bioAI protein characterization for drug developmentYC W26AI-native
21st

UI building blocks for the agentic internet

Developer toolsReact components for AI agentsYC W26
Aemon

The Forward-Deployed AI Research Engineer

Vertical AI agentsautonomous AI research engineerYC W26AI-native
Agentic Fabriq

The control plane for AI agents.

Agent infrastructureAI agent access control and identityYC W26AI-native
Alt-X

Building the best venue for private markets exposure.

FintechAI-powered private markets liquidityYC W26AI-native
Anchorhead

Fractional buyer for hardware companies in critical industries

B2B SaaSFractional procurement for hardware manufacturersYC W26
Approxima

Your software should build itself.

Vertical AI agentsAI agents for software developmentYC W26AI-native
ARC Prize Foundation

AI benchmarks that measure general intelligence and inspire new ideas

Data for AIAI benchmarking and evaluationYC W26AI-native
Ashr

Automated Multi-Modal Testing for Agents

Agent infrastructureAI agent testing and evals platformYC W26AI-native
Asimov

Real-world human movement data for humanoid robots

Robotics and physical worldhumanoid robot training dataYC W26
Aurorin CAD

Claude code for Mechanical Engineers

Developer toolsAI-native CAD for mechanical engineersYC W26AI-native
AutoSitu

AI-native workspace for development plan reviews

Vertical AI agentsAI agents for municipal development reviewYC W26AI-native
Autumn AI

Stalk your prospects at scale.

B2B SaaSSales intelligence and intent signalsYC W26
Avoice

Harvey for Architecture

Vertical AI agentsAI automation for architecture firmsYC W26AI-native
AxionOrbital Space

Foundation models for 24/7 Earth Observation

AI infra and computeFoundation models for satellite imageryYC W26AI-native
Axis

An AI Copilot for Trading Desks

Vertical AI agentsAI trading assistant for commoditiesYC W26AI-native
Balance

Full-Stack AI Accounting

Vertical AI agentsAI accounting and bookkeeping for SMBsYC W26AI-native
BaseFrame

Detect what AI can automate for your team

Horizontal AI assistantsWorkflow automation discovery platformYC W26AI-native
Beacon Health

AI Employees for Primary Care

Vertical AI agentsAI automation for primary care workflowsYC W26AI-native
BeeSafe AI

Frontier AI Defenses for Social Engineering Attacks

Security and complianceAI defense against social engineeringYC W26AI-native
Beyond Reach Labs

Space solar arrays that grow to the size of a football field in orbit

Defense and spaceSpace solar power generationYC W26
Bidflow

AI Takeoffs for Electrical

Vertical AI agentsAI bidding for electrical contractorsYC W26AI-native
Booko

Dynamically pricing the whole economy.

B2B SaaSdynamic pricing for bookable servicesYC W26
Brumby (Formerly GrazeMate)

Robot Cowboys that Herd Cattle with AI Drones

Robotics and physical worldautonomous herding drones for livestockYC W26AI-native
Bubble Lab

Operating system for premium professional communities

B2B SaaSCommunity management platform for professionalsYC W26
Burt

AI teammates for logistics

Vertical AI agentsAI agents for freight brokersYC W26AI-native
Button Computer

The tiny computer built for voice AI.

Robotics and physical worldVoice AI wearable hardwareYC W26AI-native
Byteport

Global upload acceleration for 1GB-100TB files.

Agent infrastructureFile transfer acceleration infrastructureYC W26
Cajal

Scaling formal verification to accelerate scientific discovery

Vertical AI agentsAI mathematicians for formal verificationYC W26AI-native
Canary

The first AI QA engineer that understands your code

Developer toolsAI-powered QA and testing automationYC W26AI-native
Captain

Accurate, high-performance retrieval for AI agents

Data for AIMultimodal retrieval infrastructure for AI agentsYC W26AI-native
Cardboard

Agentic video editor

Vertical AI agentsAI video editing for marketing teamsYC W26AI-native
Cardinal

Revenue Agents for GTM teams

Vertical AI agentsRevenue agents for GTM teamsYC W26AI-native
Caretta

Realtime AI for Sales Calls

Horizontal AI assistantsAI sales call assistantYC W26AI-native
Carrot Labs

AI Cost Management: Track and attribute AI spend across every provider

AI infra and computeAI spend management and optimizationYC W26AI-native
Cascade

Distilling Proprietary Intelligence

AI infra and computeModel fine-tuning and optimizationYC W26AI-native
CatchBack Cards

The most thrilling way to create and rip digital collectible packs

Consumerdigital collectible trading platformYC W26
CellType

The agentic drug company. We simulate human biology.

Vertical AI agentsAI agents for drug discoveryYC W26AI-native
Chamber

The AIOps Agent for ML Teams

Agent infrastructureAIOps agents for ML infrastructureYC W26AI-native
Chasi

AI Revenue Engine for the Equipment Industry

Vertical AI agentsAI sales agents for equipment dealersYC W26AI-native
ClaimGlide

AI automated prior-auths for private medical practices

Vertical AI agentsAI prior-authorization automation for practicesYC W26AI-native
CodeWisp

Anyone can create real games with AI

Developer toolsAI game development platformYC W26AI-native
Cofia

AI automations that implement themselves

Vertical AI agentsAI workflow automation for internal opsYC W26AI-native
Compresr

LLM context compression for better accuracy

Agent infrastructureLLM context compression APIYC W26AI-native
Condor Energy

Software for enterprise energy procurement.

Climate and energyAI energy procurement optimizationYC W26AI-native
Confluence Labs

AI models that learn from experience

AI infra and computeAI models for data-sparse learningYC W26AI-native
Congruent

AI native radars for self-driving cars

Robotics and physical worldautonomous vehicle radar sensorsYC W26AI-native
Constellation Space

AI operating system for mega-scale satellite networks.

Defense and spacesatellite network orchestrationYC W26AI-native
Copperlane

Agentic Mortgage Origination

Vertical AI agentsAI mortgage underwriting agentsYC W26AI-native
Corelayer

AI production engineer for regulated industries

Vertical AI agentsAI production engineering for regulated industriesYC W26AI-native
Corvera

The context layer for AI-native CPG brands

Agent infrastructureMCP data layer for brandsYC W26AI-native
Crosslayer Labs

Protect, monitor and defend your Internet presence

Security and complianceInternet infrastructure attack detectionYC W26
Crow

Crow — AI for Commercial Real Estate

OtherInsufficient product informationYC W26
Cumulus Labs

The Fastest Multimodal Inference OS

AI infra and computeMultimodal inference OS platformYC W26AI-native
DAIVIN!

Tankless Dive Gear - Breath Autonomy at Sea, Land & Space

Robotics and physical worldDiving and underwater hardwareYC W26
Didit

Infrastructure for identity and fraud.

Security and complianceKYC/KYB/AML infrastructureYC W26
Ditto Biosciences

Evolutionary intelligence for autoimmune disease

Healthcare and bioAI-powered drug discovery for autoimmune diseasesYC W26AI-native
Docura Health

AI-Native Med-Legal Firm

Vertical AI agentsAI-powered medical record review for workers compYC W26AI-native
Doomersion

Doomscroll to learn languages

Consumerlanguage learning via short-form videoYC W26AI-native
EigenPal

AI Document Workflows for Enterprises

Vertical AI agentsAI document processing for enterprisesYC W26AI-native
Emdash

Open-source Agentic Development Environment

Agent infrastructureagentic development environment and orchestrationYC W26AI-native
End Close

AI powered reconciliation for high-volume payments companies

FintechAI reconciliation for paymentsYC W26AI-native
Envariant

Interpretability and reasoning infra for foundation models.

Agent infrastructureAI model interpretability and reasoning infrastructureYC W26AI-native
Eos AI

Autonomous OS for healthcare

Vertical AI agentsClinical data intelligence for patient identificationYC W26AI-native
Fed10

AI Agents for Government Affairs

Vertical AI agentsAI legislative monitoring and consultingYC W26AI-native
Fenrock AI

AI agents for banks

Vertical AI agentsAI agents for banking operationsYC W26AI-native
Fern

RL environments for robotics companies

Agent infrastructureRL simulation and policy optimization for roboticsYC W26AI-native
Fixture

An AI-first CRM built for Startups

Vertical AI agentsAI CRM for startupsYC W26AI-native
Foreman

Keeping contractors on the job site, not behind a desk.

B2B SaaSAI project management for constructionYC W26
Fort

Strength Tracking Wearable

Consumerstrength training wearableYC W26
Forum

The first exchange to trade on attention.

Fintechattention derivatives exchangeYC W26
FullSeam

AI agents for corporate accounting teams

Vertical AI agentsAI agents for corporate accountingYC W26AI-native
Galactic Resource Utilization Space, Inc. (GRU Space)

Moon Hotel -> The Intergalactic Construction Company of Earth

Defense and spacelunar infrastructure and constructionYC W26
General Astronautics

Robotics for Space R&D

Robotics and physical worldMicrogravity robotics for spaceYC W26
General Legal

Elite AI law firm for high growth companies

Vertical AI agentsAI-powered legal services for startupsYC W26AI-native
Grade

API for performance-based payroll

Fintechperformance-based payroll for AI agentsYC W26
Haladir

Operational Superintelligence for Global Logistics

Commerce and marketplacessupply chain optimization AIYC W26AI-native
Hlabs

US-Made Parts for Robots

Robotics and physical worldUS robotics hardware componentsYC W26
Human Archive

Physical AI data lab

Data for AIPhysical world datasets for roboticsYC W26
IncidentFox

AI SRE agent that triages, coordinates, and fixes production incidents

Vertical AI agentsAI SRE agent for incident managementYC W26AI-native
Instinct

Trade your instinct

Fintechmobile trading app for cryptocurrencyYC W26
InventoryQuant

We automate the inventory process in insurance

Vertical AI agentsAI inventory automation for insuranceYC W26AI-native
Inviscid AI

Real-time Physics Simulations for Industrial Facilities & Data Centers

Robotics and physical worldbuilding operations optimizationYC W26AI-native
Jinba

Automate enterprise workflows through chat

Agent infrastructureWorkflow automation platform via natural languageYC W26AI-native
Khotan (formerly Pollinate)

FDE as a platform for rebuilding critical operations in software.

Vertical AI agentsAI procurement and supply chain agentsYC W26AI-native
Kita

Automate credit assessment for lenders in emerging markets

FintechAI-powered credit underwriting for emerging marketsYC W26AI-native
Klaus AI

Fast and Safe OpenClaw on the cloud

Agent infrastructureCloud-hosted agent deployment and managementYC W26AI-native
Kyten Technologies

Custom Aerospace-Grade Battery Packs

Robotics and physical worldaerospace-grade battery manufacturingYC W26
Lance

AI Agents That Run Hotel Operations.

Vertical AI agentsAI agents for hotel operationsYC W26AI-native
Laurence

Quantitative research for autonomous e-commerce growth

B2B SaaSAI-powered ad optimization for e-commerceYC W26AI-native
LegalOS

The AI-Native Immigration Law Firm

Vertical AI agentsAI immigration law firmYC W26AI-native
Lexius

AI for Corporate Security Cameras

Security and complianceAI security camera intelligenceYC W26AI-native
Lucent

AI that automatically improves products from user behavior

Vertical AI agentsAI product optimization from user behaviorYC W26AI-native
Luel

Turning everyday words and actions into usable training data.

Data for AItraining data sourcing and licensingYC W26
Mango Medical

Foundation models for planning orthopedic surgery

Healthcare and bioAI surgical planning for orthopedicsYC W26AI-native
Mantis

Digital Twins of humans

Data for AIsynthetic human behavior simulationYC W26AI-native
Martini

AI Video Production for Professionals

Developer toolsAI video editing and productionYC W26AI-native
Maven

Payments Infrastructure for Voice Agents

Agent infrastructureVoice agent payments infrastructureYC W26
Maywood

The first finance-compliant proactive AI that runs 24/7

B2B SaaSAI-powered sales intelligence for financeYC W26AI-native

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