YC Company Search
Search Y Combinator startups across every batch in the directory. Semantic search covers company descriptions, products, and tags.
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Test, evaluate & observe your LLM applications
Software Development2New York, NY, USA
B2BOperationsDeveloper ToolsGenerative AISaaSCommercial CompanyModel EvaluationAgent ToolingConsultingLanguage ModelsSoftware DevelopmentDevelopersEnterprisesHosted SoftwareProfessional ServicesSubscription
Agentic operating system for auto repair shops
Transportation2San Francisco, CA, USA
B2BCommercial CompanyAgentsSoftware ApplicationsTransportation
Build an API to interact with any website.
Software Development2
B2BDeveloper ToolsAPIBig DataCommercial CompanyData ProvisionAgent ToolingData Engineering
AI for detecting patent infringements
Cross Industry, Legal Services2Toronto, ON, Canada
B2BSaaSLegalLegalTechAI
AI agents to automate corporate transactions
Legal Services2San Francisco, CA, USA
B2BLegalGenerative AILegalTechAI
AI-native freight brokerage
Transportation2San Francisco, CA, USA
B2BSupply Chain and LogisticsDigital Freight BrokerageLogisticsCommercial Company
AI front office assistant for physical therapy
Healthcare2San Francisco, CA, USA
HealthcareHealthcare ITCommercial CompanyApplicationsSoftware Applications
The World Model for Corporate Governance
Financial Services2New York City, NY, USA
FintechAsset ManagementInvestingAICommercial Company
We make law firms AI-native.
Legal Services2San Francisco, CA, USA
B2BArtificial IntelligenceLegalAutomationCommercial Company
AI co-pilot for building plan review and building code compliance
Construction, Government2
Real Estate and ConstructionConstructionGenerative AIGovTechComputer VisionCommercial CompanyApplications
API & SDK for RCS (the next-generation of texting)
Cross Industry, Software Development2San Francisco, CA, USA
B2BEngineering, Product and DesignDeveloper ToolsSalesE-commerce
Your AI FP&A Analyst
2San Francisco, CA, USA; Singapore, Singapore
B2BFinance and AccountingSaaSFinanceProductivityApplications
The first platform where parents & kids can co-create AI cartoon shows
Education, Media2San Francisco, CA, USA
ConsumerContentAI-Enhanced LearningArtificial IntelligenceGenerative AI
Sandboxes for AI agents
Financial Services, Software Development2San Francisco, CA, USA
HealthcareHealthcare ITSaaSInfrastructureAI
AI RCM assistant that handles any insurance task on payer portals for…
Healthcare2
HealthcareHealthcare ITSaaSHealth TechB2BCommercial CompanyAgents
Automated infrastructure compliance and documentation
Software Development2Vienna, Vienna, Austria; New York, NY, USA
B2BInfrastructureDeveloper ToolsDevSecOpsSaaS
AI Agents for the supply chain.
Manufacturing, Transportation2San Francisco, CA, USA
B2BSupply Chain and LogisticsCommercial CompanyAgentsSoftware Applications
Deploy Machine Learning Models with One Command
Software Development2San Francisco, CA, USA
B2BEngineering, Product and DesignAIOpsArtificial IntelligenceMachine Learning
AI tool that finds you leads on Reddit and sends them hyper…
Cross Industry2Ljubljana, Ljubljana, Slovenia; Remote
B2BMarketingSaaSAutomationAI
Helping companies understand why users behave the way they do
Cross Industry2San Francisco, CA, USA
B2BArtificial IntelligenceSaaSWorkflow AutomationMarket Research
Efficient and compact power supply for AI hardware
Manufacturing, Software Development, Space, Transportation2Cambridge, England, United Kingdom
IndustrialsEnergyHard TechHardwareSemiconductors
The agentic AI Word editor
Cross Industry, Legal Services2San Francisco, CA, USA
B2BProductivityArtificial IntelligenceSaaSConsumer
Translate your experimental scripts into production ML services
Software Development2
B2BEngineering, Product and DesignArtificial IntelligenceDeep LearningDeveloper ToolsCommercial CompanySoftware Applications
Lovable for internal tools
Cross Industry2San Francisco, CA, USA
B2BEngineering, Product and DesignDeveloper ToolsSaaSCommercial Company
Training the world's best AI model for quantitative finance.
Financial Services2San Francisco, CA, USA
FintechReinforcement LearningFinanceInvestingTrading
Optimizing ecommerce pricing with dynamic, personalized discounts
Retail2
B2BRetailCommercial CompanyApplicationsSoftware ApplicationsRetailSmall Businesses
AI agents to build B2B datasets
Cross Industry2San Francisco, CA, USA
B2BAnalyticsArtificial IntelligenceGenerative AISaaS
AI commercial lease abstractions and review
Real Estate2San Francisco, CA, USA
Real Estate and ConstructionHousing and Real EstateArtificial IntelligenceReal EstateHousing
Building autonomous data centers
Manufacturing2San Francisco, CA, USA
IndustrialsManufacturing and RoboticsRoboticsAICommercial Company
Protent turns passive surveillance into proactive intelligence.
Cross Industry, Education, Government, Sports2San Francisco, CA, USA
B2BSecurityCommercial CompanySoftware ApplicationsComputer Vision
Legora for commercial insurance carriers
Financial Services2San Francisco, CA, USA
FintechInsuranceArtificial IntelligenceEnterprise SoftwareCommercial Company
AI phone agents for Commercial Lending
Financial Services2San Francisco, CA, USA
B2BFinance and AccountingFintechGenerative AISaaS
AI documentation engineer – test & autoimprove stale product docs
Software Development2San Francisco, CA, USA
B2BArtificial IntelligenceDeveloper ToolsAPIAutomation
AI Agents for B2B Sales
Cross Industry2
B2BSalesCommercial CompanyAgentsSoftware ApplicationsSpeechCross IndustrySmall Businesses
Simple, LLM-first translation and internationalization for software
Software Development2Oakland, CA, USA
B2BEngineering, Product and DesignArtificial IntelligenceSaaSEnterprise Software
Shortening hardware design cycles by automating post-CAD work
Manufacturing2San Francisco, CA, USA
B2BEngineering, Product and DesignCommercial CompanyApplicationsSoftware Applications
The AI-native radiology practice
Healthcare2San Francisco, CA, USA; Remote
HealthcareB2BCommercial CompanyHealthcare DeliveryHealthcare
We turn complex API integrations into drop‑in full‑stack libraries
Software Development2Amsterdam, NH, Netherlands
B2BEngineering, Product and DesignDeveloper ToolsAPIInfrastructure
AI Co-Pilot for Chemical Process Optimization
Life Sciences, Manufacturing2San Francisco, CA, USA
B2BEngineering, Product and DesignCommercial CompanyAI for scienceSoftware Applications
The runtime layer that makes AI agents cheaper and more reliable
Software Development2San Francisco, CA, USA
B2BCommercial CompanyAgentsAgent ToolingSoftware Development
Self-improving QA systems for customer support teams
Cross Industry2San Francisco, CA, USA
B2BArtificial IntelligenceCustomer SupportCommercial CompanyApplications
AI agents to automate hardware procurement
Manufacturing2San Francisco, CA, USA
B2BEngineering, Product and DesignCommercial CompanyAgentsMarketplace Operation
Automating dexterous tasks in warehouses
Retail, Transportation2San Francisco, CA, USA
IndustrialsManufacturing and RoboticsDeep LearningRoboticsLogistics
Build a website by chatting with AI
Cross Industry2San Francisco, CA, USA
B2BEngineering, Product and DesignArtificial IntelligenceSaaSChatbot
Where new internet entrepreneurs build and run their companies
Cross Industry2
ConsumerCommercial CompanyAgentsSoftware ApplicationsCross IndustrySmall BusinessesConsumers
Interpretable AI for drug discovery
Healthcare2San Francisco, CA, USA
HealthcareDrug Discovery and DeliveryAI-powered Drug DiscoveryGenerative AIBiotech
A vintage marketplace curated by AI
Retail2New York, NY, USA
ConsumerApparel and CosmeticsCommercial CompanyApplicationsMarketplace Operation