YC Company Search
Search 2,500+ Y Combinator startups from batches W22–W26. Semantic search across company descriptions, products, and tags.
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Showing1151–1200
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Frontier coding data for training and evaluating LLMs
B2B4San Francisco, CA, USA
B2B
The world's first vibe working platform
B2B4San Francisco, CA, USA
B2BGenerative AIEnterprise SoftwareAI
QA agents that write tests 10x faster with zero maintenance
B2B4San Francisco, CA, USA
B2BEngineering, Product and DesignArtificial IntelligenceDeveloper ToolsEnterprise Software
Real-time generative AI
Consumer4Seattle, WA, USA
ConsumerContentArtificial IntelligenceGenerative AIVideo
An AI physics simulator for AI chip design
B2B4Mountain View, CA, USA
B2BEngineering, Product and DesignSemiconductorsAI
AI agents for on-call
B2B4San Francisco, CA, USA
B2BArtificial IntelligenceDeveloper ToolsEnterprise Software
AI Workforce that does it all
B2B4San Francisco, CA, USA
B2BProductivityDocumentsWorkflow AutomationAnalytics
Identity & pipeline freshness AI agents for revenue teams
B2B4Mountain View, CA, USA
B2BArtificial IntelligenceSalesEnterpriseAI
Automated contract review with AI
B2B4New York, NY, USA
B2BLegalGenerative AILegalTech
Web, Desktop, and Mobile apps with one codebase in Rust
B2B4
B2BEngineering, Product and Design
The boring stuff, handled. Everything else, supercharged.
B2B4San Francisco, CA, USA
B2BArtificial IntelligenceGenerative AISaaSProductivity
AI that updates your CRM for you
B2B4San Francisco, CA, USA
B2BArtificial IntelligenceCRMAutomation
Build AI Support Agents in Minutes
B2B4San Francisco, CA, USA
B2BEngineering, Product and DesignArtificial IntelligenceGenerative AICustomer Support
Reshoring critical metal production
Industrials4Alameda, CA, USA
IndustrialsManufacturing and RoboticsManufacturingAdvanced MaterialsClimateTech
AI Teacher Assistant for Grading Essays
Education4San Francisco, CA, USA
EducationAI-Enhanced LearningArtificial IntelligenceSaaSAI Assistant
Describe It. Find It. Act On It.
B2B4
B2BGovTechComputer VisionVideoAI
Cursor for Firmware
B2B4San Francisco, CA, USA
B2BEngineering, Product and DesignDeveloper ToolsHardwareAI
Don't die of heart disease. Empirical is the first AI-native heart…
Healthcare4New York, NY, USA
HealthcareConsumer Health and WellnessGenerative AIMachine LearningConsumer Health Services
Smart electric & water meters as a service
Industrials4Remote, OR, USA; San Francisco, CA, USA; Lausanne, VD, Switzerland; Remote
IndustrialsEnergyClimate
AI tutor starting with maths and science
Education4Stanford, CA, USA
EducationAI-Enhanced LearningSaaSEdtech
The OS for independent financial advisors
Fintech4New York, NY, USA
FintechAsset ManagementMachine LearningFinanceSales Enablement
The Personal Shopper in Your Pocket
Consumer4San Francisco, CA, USA
ConsumerApparel and CosmeticsE-commerceFashionAI
AI Agents for CFO and Finance teams
B2B4
B2BFinance and AccountingFinanceWorkflow AutomationEnterprise Software
Financial research platform for investment firms
B2B4
B2BFinance and Accounting
The world's first digital concierge for real estate and lending
B2B4Palo Alto, CA, USA; Remote
B2BFintechAIAI Assistant
Shopify for Homebuilders
Real Estate and Construction4Boulder, CO, USA; Remote
Real Estate and ConstructionHousing and Real EstateSaaSReal EstateB2B
AI-powered product assistance for modern software teams
B2B4San Francisco, CA, USA
B2BEngineering, Product and DesignSaaSCustomer SuccessCustomer Service
Personal doctors through chat
Healthcare4San Francisco, CA, USA
HealthcareHealth TechDigital Health
Get your product featured in AI answers.
B2B4San Francisco, CA, USA
B2BMarketingSaaSAnalyticsAI
Automating Data Entry for Clinical Trials
B2B4San Francisco, CA, USA
B2BArtificial IntelligenceBiotechHealthcare
AI Physics Engine to replace simulations and prototypes
B2B4San Francisco, CA, USA
B2BEngineering, Product and DesignHard TechHardwareAerospace
Most Powerful AI Video Gen Model for Explainer Videos From Documents
B2B4San Francisco, CA, USA
B2BProductivityDeveloper ToolsEducationVideo
Robot Cowboys that Herd Cattle with AI Drones
Industrials4San Francisco, CA, USA
IndustrialsAgricultureLivestock HealthReinforcement LearningRobotics
Bridging the Gap between Solvers and Training.
B2B4San Francisco, CA, USA
B2BInfrastructureReinforcement LearningData EngineeringOperations
Using generative AI to call insurance for healthcare clinics
Healthcare4San Francisco, CA, USA
HealthcareHealthcare ITSaaSB2BBilling
Voice AI to automate complex phone calls for healthcare providers
B2B4
B2B
Simplifying insurance for large real estate investors
Real Estate and Construction4San Francisco, CA, USA
Real Estate and ConstructionHousing and Real EstateReal EstateProptech
Share casual moments with the people you care about
Consumer4New York, NY, USA
ConsumerArtificial IntelligenceEntertainmentSocialAI
Multimodal data provider for robotics learning
Industrials4San Francisco, CA, USA
IndustrialsManufacturing and RoboticsRoboticsData LabelingAI
Open-source, dev-friendly observability.
B2B4San Mateo, CA, USA
B2BEngineering, Product and DesignDeveloper ToolsSaaSOpen Source
Intelligent Medical Record Reviews
Healthcare4
HealthcareHealthcare ITDocumentsInsuranceAI
Global B2B Stablecoin Processor
Fintech4San Francisco, CA, USA
FintechPaymentsDeveloper ToolsB2BCompliance
The Modern Firebase
B2B4San Francisco, CA, USA
B2BEngineering, Product and Design
Building lunar landers
Industrials4
IndustrialsAviation and Space
Integrate with any website via network requests
B2B4San Francisco, CA, USA
B2BEngineering, Product and DesignDeveloper ToolsAPIAutomation
Automate any enterprise workflow through chat
B2B4San Francisco, CA, USA
B2BDeveloper ToolsWorkflow AutomationEnterpriseEnterprise Software
The intelligence layer for Customer Success
B2B4
B2BArtificial Intelligence