YC Summer 2026

229 companies · 88% AI · 17 data · 54 devtools · started Jun 2026

X26 F26

SunflowerWe are building an AI-native telemedicine clinic for addiction. 🌻YC S26San FranciscoStartup →Other

Cosmic RoboticsAutonomous construction on Earth and beyondYC S26San FranciscoStartup →Other

EdgerunMilitary exoskeletonsYC S26San FranciscoStartup →AI

Isengard Industries IncMass-produced AI strike systems and Counter-UASYC S26San FranciscoStartup →Other

Rise ReformingWe turn waste gases into supply-secure chemicalsYC S26ChicagoStartup →AI

TorusSuperintelligence for InfrastructureYC S26San FranciscoStartup →AI

DeepReach Inc.Network for Physical AI Data BusinessYC S26San FranciscoStartup →AI

AudunAI-native debt collection companyYC S26OsloStartup →AI

LemonLimeFully automated growth for small businessYC S26San FranciscoStartup →AI

Luca IQAPI-first tax engine for CPA firms and developersYC S26San FranciscoStartup →AI

MochiWatch and create animeYC S26Los AngelesStartup →Other

NoriThe most capable American-made humanoid robot for $1,688YC S26San FranciscoStartup →AI

Ooak DataWe turn company data into training dataYC S26San FranciscoStartup →AI

PangoAgentic OS for e-commerce operationsYC S26New York CityStartup →AI

PlutoLinkedIn for agentsYC S26San FranciscoStartup →AI

Prescience, Inc.Superintelligent health insurance that keeps employees healthyYC S26San FranciscoStartup →AI

TryNearbyLocal creators for local businessesYC S26Los AngelesStartup →AI

COACHThe AI Coach for in person sales reps.YC S26San FranciscoStartup →Other

MolagriResistance free pesticides.YC S26TorontoStartup →AI

ProvenMetalAI-native electronics manufacturing for the American industrial baseYC S26San FranciscoStartup →AI

SpekoOpenRouter for Voice AI: one API, every call on the best speech modelYC S26San FranciscoStartup →AI

Agnost AIWe find where AI agents fail, then train better models to run them.YC S26San FranciscoStartup →AI

DecaworkTraining company-specific models that approve AI actions.YC S26San FranciscoStartup →AI

Care GPAI agents to run primary healthcare operationsYC S26SydneyStartup →AI

BernardAI employees that run home appliance repair companiesYC S26New York CityStartup →AI

83 SciencesAI-native materials discovery powered by unpublished experimental dataYC S26San FranciscoStartup →AI

Allia HealthAI-Native Medical Group for Mental HealthYC S26San FranciscoStartup →AI

LockeThe first AI government affairs firm.YC S26San FranciscoStartup →AI

MarbleThe autonomous back-of-house for restaurants.YC S26New York CityStartup →AI

StoaThe market behind AI hardware.YC S26San FranciscoStartup →AI

TenorInfrastructure for building and scaling AI-native businesses.YC S26San FranciscoStartup →Other

Vernius Systems, Inc.Mass-deployable radars for air defenseYC S26San FranciscoStartup →AI

FamiliarMultimodal TranslationYC S26TorontoStartup →AI

HyperProbeAI engineer that debugs and fixes production incidents in realtimeYC S26San FranciscoStartup →AI

Callbook AIAI collections agency for late stage portfoliosYC S26San FranciscoStartup →Other

Earendil RoboticsDrone swarm defence at a small-unit levelYC S26San FranciscoStartup →Other

GutgutgooseWe sequence your gut and build the probiotics it’s missingYC S26San FranciscoStartup →AI

TensrRobotic factories that build robotsYC S26EmeryvilleStartup →AI

ZaplarAgentic Hotel Operating SystemYC S26StockholmStartup →Other

Aktoria RoboticsHuman as API for robotsYC S26San FranciscoStartup →AI

EdviroAI That Operates Energy InfrastructureYC S26San FranciscoStartup →AI

GUILDMaking Defense Manufacturing Faster and CheaperYC S26New York CityStartup →AI

HERAAgents for IndustrialsYC S26San FranciscoStartup →AI

HubbleAI-native retrieval engine for medical recordsYC S26SeattleStartup →AI

IMPACT DronesAir Defense as a Service for Civilian Infrastructure.YC S26Los AngelesStartup →AI

LATOPredict how market participants behaveYC S26San FranciscoStartup →AI

OS3Affordable, intelligent humanoid robots built to deploy at scaleYC S26San FranciscoStartup →AI

ParasmaReplacing GPUs with human brain cellsYC S26San FranciscoStartup →AI

PennantThe World Model for Corporate GovernanceYC S26New York CityStartup →AI

PRINCEPSAI-native insurance company for the compute economyYC S26LondonStartup →AI

RationalFirst Zero-human Accounting FirmYC S26San FranciscoStartup →AI

RexAI operations partner for enterprise order-to-cashYC S26San FranciscoStartup →AI

screenpipeTurn your company's computer work into AI agents.YC S26San FranciscoStartup →AI

Synapse SemiconductorNew semiconductors that merge compute and visionYC S26DurhamStartup →AI

TsentaAI career agent that finds matching jobs & applies on your behalfYC S26San FranciscoStartup →AI

Waddle LabsLLMs that control robotsYC S26San FranciscoStartup →AI

Avoca SystemsThe AI operating system for radiology networksYC S26San FranciscoStartup →AI

Context.devWeb data API for agentsYC S26San FranciscoStartup →Other

Hop AeroRocket cargo delivery to contested environmentsYC S26Los AngelesStartup →AI

OmantaA research lab for oneYC S26San FranciscoStartup →AI

PacificRobotic factories to mass produce data centersYC S26San FranciscoStartup →AI

AllooviumThe company brain for construction companiesYC S26San FranciscoStartup →Other

Applied Electrodynamics, Inc.A new kind of camera that can see through walls.YC S26San FranciscoStartup →AI

CautionHosting platform for software you can't afford to have hackedYC S26George TownStartup →AI

DonkeyThe AI-native trading company: factory prices, delivered, one numberYC S26San FranciscoStartup →AI

NexGrok bot for GTM & Revenue teamsYC S26San FranciscoStartup →AI

rekursiv.aiScale AI scientists whose own breakthroughs accelerate the next.YC S26San FranciscoStartup →AI

RiftenEarned intelligence. An independent AI research lab.YC S26San FranciscoStartup →AI

RonanRx Inc.Full Stack Pharmaceutical Company for Personalized Peptides and GLP-1sYC S26San FranciscoStartup →AI

Tarifflo Inc.Supply chain compliance and cost savingsYC S26Salt Lake CityStartup →AI

UltrasoniumMetal manufacturing, faster, cheaper, and more versatile.YC S26BostonStartup →AI

ZommaThe AI BPO for financial servies, run by computer-use agentsYC S26San FranciscoStartup →AI

6thSenseNervous System for Physical AIYC S26San FranciscoStartup →Other

Aerogen SystemsModernizing Chip Manufacturing InfrastructureYC S26Ann ArborStartup →AI

Agentcardlet agents buy anything onlineYC S26San FranciscoStartup →AI

AssembleAutonomous IT DeliveryYC S26San FranciscoStartup →AI

BaudAI chips for ultra-fast training and inferenceYC S26San FranciscoStartup →AI

ConiferIntelligent decisions for critical AI operationsYC S26San FranciscoStartup →AI

General Context LabsBuilding Products and Datasets for Frontier ModelsYC S26San FranciscoStartup →Other

Greypoint IndustriesBuilding drone swarms that hunt hidden enemies.YC S26San FranciscoStartup →Other

GripRobots for waste manipulationYC S26ZürichStartup →AI

LitmusEvals for humansYC S26San FranciscoStartup →AI

NebuSecAutonomous AI defense system for cyber attackYC S26San FranciscoStartup →AI

OneTrianglePrefill optimizations for the fastest inferenceYC S26San FranciscoStartup →AI

OpenVectorAI that turns any camera to an autonomous worker with real-time visionYC S26San FranciscoStartup →AI

SpaceFlow Technologies, Inc.AI-native procurement services for the physical economyYC S26San FranciscoStartup →Other

tashThe S&P of Trading CardsYC S26San FranciscoStartup →AI

TridentAutonomous offensive security agents. The best defense is offenseYC S26San FranciscoStartup →AI

Verdict MachineAI cybersecurity for financial institutions' digital assetsYC S26Tel Aviv-YafoStartup →Developer tools

Agency Tool CompanyReliable infrastructure to build, deploy and manage real-world robots.YC S26DenverStartup →AI

AlmanacOrganizing company knowledgeYC S26San FranciscoStartup →AI

ArbitalThe social trading app for stocks, memes, and perpsYC S26San FranciscoStartup →AI

Atlas DiscoveryAI-native pharma companyYC S26San FranciscoStartup →AI

Autoresearch, Inc.Autoresearch as a service: we solve your hardest measurable problemsYC S26San FranciscoStartup →AI

BearAI-native accounting firm.YC S26HelsinkiStartup →AI

CueBenchRL post-training for science reasoning and performance engineeringYC S26San FranciscoStartup →AI

DaqstraAI-native test infrastructure layer for hardware companiesYC S26San FranciscoStartup →AI

Dialogusvoice AI agents that learn how your company actually worksYC S26San FranciscoStartup →AI

ErinysWe help lawyers start and scale AI-native law firms.YC S26San FranciscoStartup →AI

ExosatBuilding a neutral, sovereign alternative to StarlinkYC S26San FranciscoStartup →

Company	Category	Status
SunflowerWe are building an AI-native telemedicine clinic for addiction. 🌻team of 15hiringActiveAI	AI	Active
Cosmic RoboticsAutonomous construction on Earth and beyondteam of 82 programsActiveOther	Other	Active
EdgerunMilitary exoskeletonsteam of 12hiringActiveOther	Other	Active
Isengard Industries IncMass-produced AI strike systems and Counter-UASteam of 30ActiveAI	AI	Active
Rise ReformingWe turn waste gases into supply-secure chemicalsteam of 52 programsActiveOther	Other	Active
TorusSuperintelligence for Infrastructureteam of 8hiringActiveAI	AI	Active
DeepReach Inc.Network for Physical AI Data Businessteam of 6hiringActiveAI	AI	Active
AudunAI-native debt collection companyteam of 5hiringActiveAI	AI	Active
LemonLimeFully automated growth for small businessteam of 5hiringActiveAI	AI	Active
Luca IQAPI-first tax engine for CPA firms and developersteam of 5hiringActiveAI, Devtools	AI, Devtools	Active
MochiWatch and create animeteam of 5hiringActiveAI	AI	Active
NoriThe most capable American-made humanoid robot for $1,688team of 5hiringActiveOther	Other	Active
Ooak DataWe turn company data into training datateam of 5hiringActiveAI	AI	Active
PangoAgentic OS for e-commerce operationsteam of 5hiringActiveAI	AI	Active
PlutoLinkedIn for agentsteam of 5hiringActiveAI	AI	Active
Prescience, Inc.Superintelligent health insurance that keeps employees healthyteam of 5hiringActiveAI	AI	Active
TryNearbyLocal creators for local businessesteam of 5hiringActiveAI	AI	Active
COACHThe AI Coach for in person sales reps.team of 4hiringActiveAI	AI	Active
MolagriResistance free pesticides.team of 4hiringActiveOther	Other	Active
ProvenMetalAI-native electronics manufacturing for the American industrial baseteam of 4hiringActiveAI	AI	Active
SpekoOpenRouter for Voice AI: one API, every call on the best speech modelteam of 4hiringActiveAI, Devtools	AI, Devtools	Active
Agnost AIWe find where AI agents fail, then train better models to run them.2 programsteam of 2ActiveAI, Data, Devtools	AI, Data, Devtools	Active
DecaworkTraining company-specific models that approve AI actions.2 programsteam of 2ActiveAI, Devtools	AI, Devtools	Active
Care GPAI agents to run primary healthcare operationsteam of 10ActiveAI	AI	Active
BernardAI employees that run home appliance repair companiesteam of 9ActiveAI	AI	Active
83 SciencesAI-native materials discovery powered by unpublished experimental datateam of 3hiringActiveAI	AI	Active
Allia HealthAI-Native Medical Group for Mental Healthteam of 3hiringActiveAI	AI	Active
LockeThe first AI government affairs firm.team of 3hiringActiveAI	AI	Active
MarbleThe autonomous back-of-house for restaurants.team of 3hiringActiveAI	AI	Active
StoaThe market behind AI hardware.team of 3hiringActiveAI, Devtools	AI, Devtools	Active
TenorInfrastructure for building and scaling AI-native businesses.team of 3hiringActiveAI	AI	Active
Vernius Systems, Inc.Mass-deployable radars for air defenseteam of 3hiringActiveOther	Other	Active
FamiliarMultimodal Translationteam of 8ActiveAI, Devtools	AI, Devtools	Active
HyperProbeAI engineer that debugs and fixes production incidents in realtimeteam of 8ActiveAI, Devtools	AI, Devtools	Active
Callbook AIAI collections agency for late stage portfoliosteam of 7ActiveAI	AI	Active
Earendil RoboticsDrone swarm defence at a small-unit levelteam of 7ActiveOther	Other	Active
GutgutgooseWe sequence your gut and build the probiotics it’s missingteam of 7ActiveOther	Other	Active
TensrRobotic factories that build robotsteam of 7ActiveAI	AI	Active
ZaplarAgentic Hotel Operating Systemteam of 7ActiveAI	AI	Active
Aktoria RoboticsHuman as API for robotsteam of 2hiringActiveOther	Other	Active
EdviroAI That Operates Energy Infrastructureteam of 2hiringActiveAI, Devtools	AI, Devtools	Active
GUILDMaking Defense Manufacturing Faster and Cheaperteam of 2hiringActiveAI	AI	Active
HERAAgents for Industrialsteam of 2hiringActiveAI	AI	Active
HubbleAI-native retrieval engine for medical recordsteam of 2hiringActiveAI	AI	Active
IMPACT DronesAir Defense as a Service for Civilian Infrastructure.team of 2hiringActiveAI	AI	Active
LATOPredict how market participants behaveteam of 2hiringActiveAI, Data	AI, Data	Active
OS3Affordable, intelligent humanoid robots built to deploy at scaleteam of 2hiringActiveAI	AI	Active
ParasmaReplacing GPUs with human brain cellsteam of 2hiringActiveAI, Devtools	AI, Devtools	Active
PennantThe World Model for Corporate Governanceteam of 2hiringActiveAI	AI	Active
PRINCEPSAI-native insurance company for the compute economyteam of 2hiringActiveAI	AI	Active
RationalFirst Zero-human Accounting Firmteam of 2hiringActiveAI	AI	Active
RexAI operations partner for enterprise order-to-cashteam of 2hiringActiveAI	AI	Active
screenpipeTurn your company's computer work into AI agents.team of 2hiringActiveAI	AI	Active
Synapse SemiconductorNew semiconductors that merge compute and visionteam of 2hiringActiveAI	AI	Active
TsentaAI career agent that finds matching jobs & applies on your behalfteam of 2hiringActiveAI	AI	Active
Waddle LabsLLMs that control robotsteam of 2hiringActiveAI, Devtools	AI, Devtools	Active
Avoca SystemsThe AI operating system for radiology networksteam of 6ActiveAI	AI	Active
Context.devWeb data API for agentsteam of 6ActiveAI, Devtools	AI, Devtools	Active
Hop AeroRocket cargo delivery to contested environmentsteam of 6ActiveOther	Other	Active
OmantaA research lab for oneteam of 6ActiveAI	AI	Active
PacificRobotic factories to mass produce data centersteam of 6ActiveAI	AI	Active
AllooviumThe company brain for construction companiesteam of 5ActiveAI	AI	Active
Applied Electrodynamics, Inc.A new kind of camera that can see through walls.team of 5ActiveOther	Other	Active
CautionHosting platform for software you can't afford to have hackedteam of 5ActiveAI, Devtools	AI, Devtools	Active
DonkeyThe AI-native trading company: factory prices, delivered, one numberteam of 5ActiveAI	AI	Active
NexGrok bot for GTM & Revenue teamsteam of 5ActiveAI	AI	Active
rekursiv.aiScale AI scientists whose own breakthroughs accelerate the next.team of 5ActiveAI	AI	Active
RiftenEarned intelligence. An independent AI research lab.team of 5ActiveAI, Devtools	AI, Devtools	Active
RonanRx Inc.Full Stack Pharmaceutical Company for Personalized Peptides and GLP-1steam of 5ActiveAI	AI	Active
Tarifflo Inc.Supply chain compliance and cost savingsteam of 5ActiveAI	AI	Active
UltrasoniumMetal manufacturing, faster, cheaper, and more versatile.team of 5ActiveAI	AI	Active
ZommaThe AI BPO for financial servies, run by computer-use agentsteam of 5ActiveAI	AI	Active
6thSenseNervous System for Physical AIteam of 4ActiveAI	AI	Active
Aerogen SystemsModernizing Chip Manufacturing Infrastructureteam of 4ActiveOther	Other	Active
Agentcardlet agents buy anything onlineteam of 4ActiveAI	AI	Active
AssembleAutonomous IT Deliveryteam of 4ActiveAI	AI	Active
BaudAI chips for ultra-fast training and inferenceteam of 4ActiveAI	AI	Active
ConiferIntelligent decisions for critical AI operationsteam of 4ActiveAI, Devtools	AI, Devtools	Active
General Context LabsBuilding Products and Datasets for Frontier Modelsteam of 4ActiveAI	AI	Active
Greypoint IndustriesBuilding drone swarms that hunt hidden enemies.team of 4ActiveOther	Other	Active
GripRobots for waste manipulationteam of 4ActiveOther	Other	Active
LitmusEvals for humansteam of 4ActiveAI, Data	AI, Data	Active
NebuSecAutonomous AI defense system for cyber attackteam of 4ActiveAI	AI	Active
OneTrianglePrefill optimizations for the fastest inferenceteam of 4ActiveAI, Devtools	AI, Devtools	Active
OpenVectorAI that turns any camera to an autonomous worker with real-time visionteam of 4ActiveAI, Devtools	AI, Devtools	Active
SpaceFlow Technologies, Inc.AI-native procurement services for the physical economyteam of 4ActiveAI	AI	Active
tashThe S&P of Trading Cardsteam of 4ActiveOther	Other	Active
TridentAutonomous offensive security agents. The best defense is offenseteam of 4ActiveAI	AI	Active
Verdict MachineAI cybersecurity for financial institutions' digital assetsteam of 4ActiveAI	AI	Active
Agency Tool CompanyReliable infrastructure to build, deploy and manage real-world robots.team of 3ActiveDevtools	Devtools	Active
AlmanacOrganizing company knowledgeteam of 3ActiveAI	AI	Active
ArbitalThe social trading app for stocks, memes, and perpsteam of 3ActiveAI	AI	Active
Atlas DiscoveryAI-native pharma companyteam of 3ActiveAI	AI	Active
Autoresearch, Inc.Autoresearch as a service: we solve your hardest measurable problemsteam of 3ActiveAI, Devtools	AI, Devtools	Active
BearAI-native accounting firm.team of 3ActiveAI	AI	Active
CueBenchRL post-training for science reasoning and performance engineeringteam of 3ActiveAI, Data	AI, Data	Active
DaqstraAI-native test infrastructure layer for hardware companiesteam of 3ActiveAI	AI	Active
Dialogusvoice AI agents that learn how your company actually worksteam of 3ActiveAI, Devtools	AI, Devtools	Active
ErinysWe help lawyers start and scale AI-native law firms.team of 3ActiveAI	AI	Active
ExosatBuilding a neutral, sovereign alternative to Starlinkteam of 3ActiveAI	AI	Active

YC Summer 2026

About S26

Every company, one tile each

By category

Where are they now

S26 among all batches

Top tags in S26

The S26 companies

About S26

Every company, one tile each

By category

Where are they now

S26 among all batches

Top tags in S26