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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Improve how users experience your product through AI Agents
Software Development3San Francisco, CA, USA
B2BEngineering, Product and DesignCommercial CompanyAgentsAgent ToolingSoftware DevelopmentDevelopersHosted SoftwareUsage BasedPre Seed
A search technology that actually finds what you’re looking for.
Cross Industry3San Francisco, CA, USA; Rochester, MN, USA; Remote
B2BArtificial IntelligenceMachine LearningSaaSSearch
An Collaborative, AI-native IDE for Hardware Engineers
Defense, Manufacturing3
B2BEngineering, Product and DesignCommercial CompanyApplicationsSoftware ApplicationsManufacturingDefense
The best cloud VMs for billions of agents
Cross Industry, Legal Services, Scientific Research, Software Development3Paris, Île-de-France, France; Remote
B2BInfrastructureDeveloper ToolsCloud ComputingCommercial Company
Agents for Enterprise IT
Cross Industry3San Francisco, CA, USA
B2BArtificial IntelligenceSaaSEnterprise SoftwareCommercial Company
Predicting human response to drugs in clinical trials
Healthcare, Life Sciences3San Francisco, CA, USA
HealthcareDrug Discovery and DeliveryAI-powered Drug DiscoveryDrug discovery
We automate compliance for behavioral health, saving clinicians hours…
Healthcare3San Francisco, CA, USA
HealthcareWorkflow AutomationAICommercial CompanyApplications
Infuse knowledge into language models with just 10 samples
Software Development3San Francisco, CA, USA
B2BAIOpsDeep LearningDeveloper ToolsInfrastructure
AI Agents for Mobile & Web QA
Software Development3
B2BEngineering, Product and DesignCommercial CompanyAgentsSoftware ApplicationsSoftware DevelopmentDevelopers
Simulations of real people for market research
Cross Industry3San Francisco, CA, USA
B2BCommercial CompanyApplicationsSoftware ApplicationsCross Industry
AI Contact Center for Residential Property Managers
Real Estate3Austin, TX, USA
Real Estate and ConstructionHousing and Real EstateReal EstateProptechTelecommunications
AI chips for ultra-fast model training and inference
Cross Industry3San Francisco, CA, USA
IndustrialsArtificial IntelligenceHard TechSemiconductorsCommercial Company
Stopping Scams Before They Reach Your Customers
Financial Services, Government3San Francisco, CA, USA
B2BSecurityCommercial CompanyAgentsSoftware Applications
Influencer marketing that converts
Cross Industry3San Francisco, CA, USA
B2BMarketingArtificial IntelligenceAdvertisingCreator Economy
Easily invest like the rich
Financial Services3Oakland, CA, USA; Remote
FintechConsumer FinanceInvestingCommercial CompanyApplications
Invest in top Private Equity and Private Credit starting at $10k
Financial Services3Los Angeles, CA, USA
FintechAsset ManagementInvestingCommercial CompanyFinancial Services
AI-Powered Engineering Productivity
Software Development3
B2BEngineering, Product and DesignCommercial CompanyApplicationsSoftware ApplicationsSoftware DevelopmentEnterprises
AI growth team for e-commerce brands
Retail3San Francisco, CA, USA
B2BArtificial IntelligenceE-commerceSMBAI
Accounting software with an AI agent
Cross Industry3Panama City, Panama, Panama
B2BFinance and AccountingSaaSAICommercial Company
Memory + Actions for Your AI Tools
Cross Industry3San Francisco, CA, USA
B2BProductivityArtificial IntelligenceDeveloper ToolsGenerative AI
AI Teammate to Enable Every Knowledge Worker to Be a Top Performer
Cross Industry3
B2BProductivityBig DataAutomationAI AssistantCommercial CompanyAgents
the AI inbound sales team for law firms
Legal Services3San Francisco, CA, USA
B2BLegalConversational AIAI AssistantCommercial Company
Casey automates workflows for the insurance industry
Cross Industry3San Francisco, CA, USA
FintechInsuranceArtificial IntelligenceB2BCommercial Company
AI agents that convert and retain patients for digital clinics
Healthcare3San Francisco, CA, USA
HealthcareArtificial IntelligenceRobotic Process AutomationHealth TechB2B
Replacing the restaurant phone line with Voice AI
Hospitality3San Francisco, CA, USA
B2BArtificial IntelligenceSaaSRestaurant TechAI
Open source AI notepad for meetings
Cross Industry3
B2BProductivityCommercial CompanyAgentsSoftware ApplicationsSpeechCross Industry
Realtime Access to Verified Tax Records
Financial Services3
FintechFinOpsFinanceCommercial CompanyData ProvisionFinancial ServicesEnterprises
Open source API service to parse complex documents
Cross Industry3
B2BEngineering, Product and DesignCommercial CompanySoftware ApplicationsData EngineeringComputer VisionCross Industry
Investment Due Diligence & Research, Accelerated by AI.
Financial Services3San Francisco, CA, USA
B2BFinance and AccountingFintechSaaSFinance
Delinquency reduction and automation software for institutional…
Real Estate3New York, NY, USA
Real Estate and ConstructionFintechReal EstateB2BCommercial Company
Anyone can create real games with AI
Education, Gaming3San Francisco, CA, USA
ConsumerGamingCommercial CompanyApplicationsSoftware Applications
AI automations that implement themselves
Cross Industry3New York City, NY, USA
B2BProductivityCommercial CompanyAgentsSoftware Applications
Agents that automate research for institutional investors
Financial Services3New York City, NY, USA
B2BFinance and AccountingCommercial CompanyAgentsSoftware Applications
Find the best leads with custom intent signals
Cross Industry3San Francisco, CA, USA
B2BSalesArtificial IntelligenceGenerative AISaaS
ComfyUI for everyone on your team
Media3San Francisco, CA, USA
B2BEngineering, Product and DesignMediaCommercial CompanyInference
Energy OS enabling reliable, cheap and sustainable electricity supply.
Energy3
IndustrialsEnergyCommercial CompanyApplicationsSoftware ApplicationsEnergyEnterprises
Local-first least cost routing system to reduce 80%+ token spend
Cross Industry, Software Development3San Francisco, CA, USA
B2BArtificial IntelligenceDeveloper ToolsSecurityCommercial Company
AI Fitness Coach
Fitness and Wellness3San Francisco, CA, USA
ConsumerFitnessAIAI AssistantCommercial Company
AI to increase payment acceptance and reduce fraud for businesses
Financial Services, Retail3San Francisco, CA, USA
FintechPaymentsArtificial IntelligenceAnalyticsE-commerce
Catheter-based solution to treat chronic heart failure.
Healthcare3Houston, TX, USA
HealthcareMedical DevicesCommercial CompanyScientific ResearchHealthcare
Protect, monitor and defend your Internet presence
Cross Industry3San Francisco, CA, USA
B2BSecurityCommercial CompanySoftware ApplicationsSecurity
RL post-training for science reasoning and performance engineering
3San Francisco, CA, USA
B2BReinforcement LearningData EngineeringCommercial CompanyAI for science
AI-native orchestration for physical R&D testing
Cross Industry, Energy, Manufacturing3San Francisco, CA, USA
B2BArtificial IntelligenceHard TechCommercial CompanySoftware Applications
Autonomous AI agents for spreadsheet based operations
Construction3San Francisco, CA, USA
B2BArtificial IntelligenceSaaSAutomationCommercial Company
Build everyday back-office agents on one live model of your books
Financial Services3San Francisco, CA, USA
B2BFinance and AccountingArtificial IntelligenceFintechSaaS
Infra for enterprise voice agents.
Cross Industry, Hospitality3San Francisco, CA, USA
B2BInfrastructureCustomer SupportCommercial CompanyAgents
Professional-grade video editing, in your browser.
Media3San Francisco, CA, USA; Remote
ConsumerContentArtificial IntelligenceVideoMedia
Evolutionary therapies for autoimmune disease
Life Sciences3San Francisco, CA, USA
HealthcareDrug Discovery and DeliveryCommercial CompanyAI for scienceScientific Research
Technology to detect and track hostile drones
Defense, Transportation3
IndustrialsDronesHard TechRadarCommercial CompanyHardware ManufacturingSecurity