YC 173 startups

YC Winter 2025

Every company from Y Combinator's Winter 2025 batch.

Last updated

2026-09-02

Applied research lab curating data solutions for foundation model…

Artificial IntelligenceB2BData Labeling

AI Sales Teams for Dental Practices

We make mobile apps using AI.

Artificial IntelligenceDeveloper ToolsGenerative AI

A1Zap by A1Base

The social network layer for AI apps

HardwareDesignAI

AI Agents that automate enterprise software processes

Reinforcement LearningEnterpriseAI

AI-driven exam prep

AI-Enhanced LearningArtificial IntelligenceEducation

The health coach that texts you first

SaaSHealth TechDigital Health

We help software companies sell to government.

GovTechComplianceCybersecurity

An Collaborative, AI-native IDE for Hardware Engineers

Artificial Societies

We build networks of AIs to simulate high-value audiences

Artificial IntelligenceB2BMarket Research

Open Source React.js Library for AI Chat

Developer ToolsGenerative AIChat

The integration layer for healthcare: EHRs, payer portals & more

Artificial IntelligenceRobotic Process AutomationHealth Tech

The world’s first AI energy developer

Solar PowerEnergyRenewable Energy

Be the Answer in AI Search - AI SEO across SEO, GEO & AEO

awen translates intent into exceptional visuals through conversation

Generative AISaaSCreator Economy

Service company that designs, sources, and quality-tests custom PCBs

HardwareRoboticsManufacturing

Trade memecoins, perpetuals, and earn yield.

FintechCrypto / Web3Consumer Finance

Digital AI humans that model clothes for e-commerce brands.

Generative AIMachine LearningMarketing

AI estimating & detailing for Division 8 doors, frames & hardware

Discovering new pesticides with AI

Stablecoin API for global payments

Developer ToolsFintechCrypto / Web3

AI for accounting

Leading open-source web agent project with 50k stars in 3 months

Artificial IntelligenceOpen SourceAPI

Agent with a computer

Embedded Sandboxes for Agents

Your partner for hotel ownership data.

SaaSB2BProptech

Enterprise-grade AI support reps for call centers

Generative AISaaSB2B

We help companies win government funding with AI

Artificial IntelligenceGovTech

Protect your data and stop insider risk

Artificial IntelligenceCybersecurity

AI compliance co-pilot for regulated financial businesses

Artificial IntelligenceFintechCompliance

Voice AI teams for medicare agencies.

Health InsuranceTelecommunicationsConversational AI

How elite law firms do intake

Artificial IntelligenceB2BSales

Execute the best sales playbook in industry

SalesSales EnablementCRM

AI agents for conversational commerce

B2BDigital HealthE-commerce

AI Accountant for Accounting Firms

We help law enforcement solve crime

GovTechLegalTechAI

The LLM Eval and Observability Platform for AI Quality

Developer ToolsGenerative AIOpen Source

AI to monitor thousands of security cameras.

AI hiring platform powered by expert recruiters

SaaSRecruitingAI

AI agents built for insurance.

Artificial IntelligenceInsurance

Connect your users to their apps

Developer ToolsB2BWorkflow Automation

Real-time AI translator for global sales and marketing

Artificial IntelligenceB2BSales

AI-Powered Hardware System Design Software

AI-native remote operations center for hardware fleets

Artificial IntelligenceHardwareRobotics

Dartboard Energy

AI Analyst for Electricity Markets

Energy StorageB2BAnalytics

Agents for Accelerated Clinical Trial Design

The AI Coworker in Chrome

Artificial IntelligenceProductivityConsumer Products

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Worldwide exam-prep platform

Artificial IntelligenceEducationEdtech

Audio & Video Data

MarketplaceB2BData Labeling

Code and browse in the same place

Artificial IntelligenceDeveloper ToolsDesign

YC W25 startupsAll cohort members Startups in San Francisco2567 indexed AI / ML startupsFull category listing "Artificial Intelligence" startups1001 indexed