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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Thunder Computethundercompute.comSummer 2024

The world's cheapest GPU cloud

B2B4San Francisco, CA, USA3 active roles

B2BInfrastructureDeveloper ToolsData ScienceCloud ComputingCloud InfrastructureAI InfrastructureInfrastructure

primitiveprimitive.devSpring 2026

communication for agents

B2B4San Francisco, CA, USA3 active roles

B2BInfrastructureCloud Infrastructure

83 Sciences83sciences.aiSummer 2026

AI-native materials discovery powered by unpublished experimental data

Industrials3San Francisco, CA, USA3 active roles

IndustrialsHard Tech

Archonarchon.incWinter 2025

We help software companies sell to government.

Government3San Francisco, CA, USA3 active roles

GovernmentGovTechCompliance

Asideasidehq.comFall 2025

Live answer copilot for enterprise tech sales

B2B3San Francisco, CA, USA3 active roles

B2BSalesSaaS

Besimple AIbesimple.aiSpring 2025

Voice data for AI

B2B3Redwood City, CA, USA3 active roles

B2BAIOpsArtificial Intelligence

Cloudgluecloudglue.devSummer 2024

Developer APIs to let your AI/LLM understand videos and audio.

B2B3San Francisco, CA, USA3 active roles

B2BArtificial Intelligence

Cortex AIcortexrobot.aiFall 2025

Large-scale real-world robot & human data for embodied AI

Industrials3San Francisco, CA, USA3 active roles

IndustrialsManufacturing and Robotics

Emerge Careeremergecareer.comSummer 2022

All-in-one re-entry & workforce development training platform

Education3Remote3 active roles

EducationGovTech

Hyperspellhyperspell.comFall 2025

Memory for AI Agents

B2B3San Francisco, CA, USA3 active roles

B2BInfrastructureArtificial Intelligence

KelAIkelaitech.comSpring 2026

The AI Quant: Autonomous Alpha Engine for Funds and Traders.

Fintech3New York City, NY, USA3 active roles

FintechAsset ManagementFintech

LazyEditorlazyeditor.aiWinter 2023

AI Agentic Video Editor

Consumer3San Francisco, CA, USA3 active roles

ConsumerArtificial IntelligenceVideo

Luminalluminal.comSummer 2025

Making AI run fast on any hardware.

B2B33 active roles

B2BInfrastructureAIOpsArtificial IntelligenceDeveloper Tools

Poka Labspokalabs.comSummer 2024

The modern operating system for chemical manufacturing.

B2B3San Francisco, CA, USA3 active roles

B2BSupply Chain and Logistics

Repromptrepromptai.comWinter 2024

AI Agents for Location

B2B33 active roles

B2BEngineering, Product and DesignData InfrastructureAI AgentB2B SaaS

Scoutcpgscout.aiWinter 2024

AI insights for consumer products

B2B3San Francisco, CA, USA3 active roles

B2BRetailAnalytics

Standoutstandout.workSpring 2026

Agentic hiring marketplace

B2B3San Francisco, CA, USA3 active roles

B2BRecruiting and TalentHR Tech

Ambralambral.comSummer 2025

AI Account Managers

B2B23 active roles

B2BSalesSales TechAI AgentB2B SaaS

Aventaventindustrial.comSummer 2025

AI agents for industrial commerce

B2B23 active roles

B2BHardware / ManufacturingAI AgentB2B SaaSSeed

Bravibravi.appFall 2025

The AI operating system powering home services businesses

B2B2San Francisco, CA, USA3 active roles

B2BManufacturingAutomation

Candletrycandle.appFall 2024

Candle helps friends and couples grow closer daily in just 5 minutes.

Consumer2San Francisco, CA, USA3 active roles

ConsumerArtificial Intelligence

Cranston AIcranstonai.comFall 2025

Full Stack AI Accounting Firm

B2B2San Francisco, CA, USA3 active roles

B2BFinance and AccountingSaaS

Delfino AIdelfino.aiSummer 2022

Generative AI for administrative automation in healthcare

Healthcare2San Francisco, CA, USA; Remote3 active roles

HealthcareHealthcare IT

Discovered Materialsdiscoveredmaterials.comSpring 2026

AI scientists to discover materials for the semiconductor industry.

Industrials2San Francisco, CA, USA3 active roles

IndustrialsSemiconductors

Dispatchdispatch.spaceSpring 2026

Satellites for Manufacturing in Space

Industrials2San Francisco, CA, USA3 active roles

IndustrialsAviation and SpaceHard Tech

Double – Coding Copilotdouble.botWinter 2023

AI coding copilot engineered for performance

B2B2Redwood City, CA, USA3 active roles

B2BEngineering, Product and Design

Fulcrumfulcrumresearch.aiSummer 2025

The agentic debugger for AI systems

B2B23 active roles

B2BAnalyticsAI / MLAI AgentB2B SaaS

Galactic Resource Utilization Space, Inc. (GRU Space)gru.spaceWinter 2026

Building the First Hotel on the Moon

Industrials2San Francisco, CA, USA3 active roles

IndustrialsAviation and Space

Herahera.videoSummer 2025

AI Motion Designer

B2B23 active roles

B2BEngineering, Product and DesignCreative / MediaAI ApplicationB2B SaaS

Hypercubichypercubic.aiFall 2025

AI to maintain and modernize COBOL.

B2B23 active roles

B2BDeveloper ToolsAI ApplicationB2B SaaS

Interfacetheinterface.comSummer 2025

The frontier lab for visual simulation

Consumer2New York, NY, USA3 active roles

ConsumerArtificial Intelligence

Magneticmagnetictax.comSummer 2025

AI Tax Preparer for CPA firms

B2B23 active roles

B2BProductivityFintechAI Agent / AutomationB2B SaaS

Osium AIosium.aiSummer 2023

Speed up materials innovation with Artificial Intelligence

B2B2Paris, Île-de-France, France3 active roles

B2BHardware / ManufacturingAI Application

Pair AIpairai.comWinter 2023

Reimagining education with short form video and AI

Consumer2San Francisco, CA, USA3 active roles

ConsumerAI-Enhanced LearningArtificial Intelligence

Parametricparametric.companyFall 2025

Robots for frontline physical labor — starting with laundry

Industrials23 active roles

IndustrialsManufacturing and RoboticsRoboticsAI Application

Persana AIpersana.aiWinter 2023

Sales Agents with 100+ data sources to close more deals

B2B2San Francisco, CA, USA3 active roles

B2BSalesGenerative AI

Prescience, Inc.getprescience.comSummer 2026

Healthcare for the age of abundant intelligence.

Healthcare2Boston, MA, USA3 active roles

HealthcareHealth Insurance

Raloralo.comSpring 2025

Find Your Best Mortgage Deal

Fintech2San Francisco, CA, USA3 active roles

FintechConsumer FinanceArtificial Intelligence

Roameroame.travelSummer 2023

Flight search engine using credit card points and miles

Consumer2San Francisco, CA, USA3 active roles

ConsumerTravel, Leisure and Tourism

Rudusrudus.aiSpring 2026

AI Takeoffs for Concrete

Real Estate and Construction2San Francisco, CA, USA3 active roles

Real Estate and ConstructionConstructionAI / ML

Scapescape.appSummer 2024

AI-native CRM that captures all your conversations

B2B2San Francisco, CA, USA3 active roles

B2BProductivityArtificial Intelligence

Steinmetzsteinmetzmotors.comWinter 2025

Hardware for Electric Vehicles.

Industrials2San Francisco, CA, USA3 active roles

IndustrialsHardware

The Token Companythetokencompany.comWinter 2026

Compression middleware that improves LLM outputs

B2B2San Francisco, CA, USA3 active roles

B2BInfrastructure

Unsiloed AIunsiloed.aiFall 2025

API for parsing multimodal unstructured data

B2B2San Francisco, CA, USA3 active roles

B2BArtificial IntelligenceInfrastructure

Unusualunusual.aiFall 2024

Discover and change how AI models talk about your brand.

B2B2San Francisco, CA, USA3 active roles

B2BMarketingArtificial Intelligence

Velvetvelvet.videoFall 2025

Data for world models

B2B2San Francisco, CA, USA3 active roles

B2BArtificial IntelligenceVideo

Dillusedill.comWinter 2023

Dill helps construction suppliers automate accounts receivable,…

B2B3 active roles

B2BFinance and AccountingFintechNot AIB2B SaaSSeed

Ergojoinergo.comWinter 2025

AI Agents for Revenue Teams

B2BSan Francisco, CA, USA3 active roles

B2BSalesArtificial IntelligenceSaaSSales Tech

HockeyStackhockeystack.comSummer 2023

The operating system for inbound B2B revenue

B2B65San Francisco, CA, USA2 active roles

B2BSalesSaaS

Boostlyboostly.comSummer 2022

Premier growth platform for restaurants

B2B50Lehi, UT, USA2 active roles

B2BMarketingSaaS

501–550 of 2569

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