Y Combinator companies
The Y Combinator portfolio as the radar sees it: synced daily, classified into clusters, checked for life and movement. 6,201 companies.
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| ReformAI Workflow automation. Built for logistics. | Vertical AI agentsFreight operations automation | Y CombinatorW24 | Active | checked 2026-08-23 |
| RelariAI Building dexterous robots that learn from humans | Agent infrastructureAI agent builder and verification | Y CombinatorW24 | Active | checked 2026-08-23 |
| renderlet Build interactive applications that run anywhere | Developer toolsCross-platform graphics framework | Y CombinatorW24 | Active | checked 2026-08-23 |
| RepromptAI AI Agents for Location | Vertical AI agentsAI agents for location data collection | Y CombinatorW24 | Active | checked 2026-08-23 |
| ResonanceAI Self-improving content bank for marketing | B2B SaaSAI-powered content optimization for marketing | Y CombinatorW24 | Acquired | checked 2026-08-17 |
| RespanAI Self-driving observability, evals, and gateway for AI agents | Agent infrastructureAI agent observability and gateway | Y CombinatorW24 | Active | checked 2026-08-23 |
| RetailReadyAI An AI-powered supply chain compliance engine | B2B SaaSsupply chain compliance automation | Y CombinatorW24 | Active | checked 2026-08-23 |
| Retell AIAI Supercharge Your Contact Center Operations with AI Phone Agents | Vertical AI agentsAI voice agents for contact centers | Y CombinatorW24 | Active | checked 2026-08-23 |
| RisottoAI Risotto auto-solves IT support requests using AI | Vertical AI agentsAI agent for IT support automation | Y CombinatorW24 | Active | checked 2026-08-23 |
| ROEAI AI for risk and compliance | FintechAI compliance and risk management | Y CombinatorW24 | Acquired | 2026-08-23 |
| Rove Travel the world for free. | Consumertravel rewards marketplace | Y CombinatorW24 | Active | checked 2026-08-23 |
| Ryse The secondary market for real estate leases | Commerce and marketplacesReal estate lease marketplace | Y CombinatorW24 | Active | checked 2026-08-23 |
| Saga AIAI Voice Agents for Healthcare Operations | Vertical AI agentsVoice agents for healthcare operations | Y CombinatorW24 | Active | checked 2026-08-23 |
| SagalandAI AI entertainment platform | ConsumerAI-powered entertainment platform | Y CombinatorW24 | Active | checked 2026-08-23 |
| Salvy Mobile carrier for businesses in Brazil | B2B SaaSmobile line management SaaS for businesses | Y CombinatorW24 | Active | checked 2026-08-23 |
| SampleAI Flexible systems for clinical reasoning. | Healthcare and bioclinical operations copilots | Y CombinatorW24 | Acquired | checked 2026-08-23 |
| ScoutAI AI insights for consumer products | B2B SaaSAI sales analytics for CPG brands | Y CombinatorW24 | Active | checked 2026-08-23 |
| ScritchAI AI operating system for veterinary care | Vertical AI agentsAI voice agents for veterinary front-desk | Y CombinatorW24 | Active | checked 2026-08-23 |
| Selera Medical One-time, device-based treatment for heart failure | Robotics and physical worldMedical device for heart failure | Y CombinatorW24 | Inactive | checked 2026-08-23 |
| SensoAI Control what AI says about you | Agent infrastructureAgent data context and control | Y CombinatorW24 | Active | checked 2026-08-23 |
| ShepherdAI Every student's personalized learning assistant | Horizontal AI assistantsAI learning assistant for students | Y CombinatorW24 | Active | checked 2026-08-23 |
| ShibolethAI Shiboleth automates lending compliance for financial institutions… | Fintechlending compliance automation | Y CombinatorW24 | Active | checked 2026-08-23 |
| SilogyAI An AI-powered test and debug platform for chip developers | Developer toolsAI-powered chip design debugging | Y CombinatorW24 | Active | checked 2026-08-23 |
| Solari AIAI Gives non-technical team members agents that work right out of the box | Horizontal AI assistantsNo-code agents for non-technical teams | Y CombinatorW24 | Inactive | checked 2026-08-17 |
| SonautoAI Create hit songs with AI | ConsumerAI music generation | Y CombinatorW24 | Active | 2026-08-23 |
| SoniaAI Validated mental health support in your pocket, anytime. | Healthcare and bioAI mental health support app | Y CombinatorW24 | Active | checked 2026-08-23 |
| Soundry AIAI Remix any song into any style | ConsumerAI music remixing and style transfer | Y CombinatorW24 | Acquired | checked 2026-08-23 |
| SparkAI AI-powered workflows for energy infrastructure | Climate and energyAI workflows for renewable energy permitting | Y CombinatorW24 | Active | checked 2026-08-23 |
| SpeckAI AI Notetaker that automates all your admin work | Horizontal AI assistantsMeeting automation and note-taking | Y CombinatorW24 | Acquired | checked 2026-08-23 |
| Stacksync Real-time and two-way sync between CRMs and Databases | Commerce and marketplacesCRM data synchronization platform | Y CombinatorW24 | Active | checked 2026-08-23 |
| StarJarAI Starjar automates inbound document processing workflows for hospitals | Vertical AI agentsDocument processing automation for hospitals | Y CombinatorW24 | Acquired | checked 2026-08-17 |
| Stitch Technologies - | Developer toolsEngineering collaboration and design systems | Y CombinatorW24 | Inactive | checked 2026-08-17 |
| SuperagentAI Security for AI-native developers | Security and complianceAI agent security and governance | Y CombinatorW24 | Active | checked 2026-08-23 |
| SuretyNow The Modern Surety Bond Platform | Fintechsurety bond marketplace | Y CombinatorW24 | Active | checked 2026-08-23 |
| sync.AI AI lipsync tool for video content creators | Horizontal AI assistantsAI video editing and lipsync | Y CombinatorW24 | Active | checked 2026-08-23 |
| SynsoryBio "If-then" conditional logic for protein drugs | Healthcare and bioConditional protein therapeutics | Y CombinatorW24 | Site unreachable | checked 2026-08-17 |
| Tamarind BioAI AI Inference Platform for Drug Discovery | AI infra and computeML inference platform for scientific computing | Y CombinatorW24 | Active | checked 2026-08-23 |
| Tekton DynamicsAI AI control layer for welding robots | Robotics and physical worldAI vision and control for industrial welding robots | Y CombinatorW24 | Active | checked 2026-08-23 |
| TerrakottaAI AI platform for phone-first sellers | Horizontal AI assistantsAI voice agent for sales outreach | Y CombinatorW24 | Active | checked 2026-08-23 |
| Tesseral The open source platform for managing identity in business software | Agent infrastructureIdentity and access management for AI agents | Y CombinatorW24 | Inactive | checked 2026-08-17 |
| The New Money Company Invoicing that pays you even if your buyer doesn’t | FintechInvoice payment insurance | Y CombinatorW24 | Active | checked 2026-08-23 |
| ThorntaleAI The world's best presentation editor, powered by AI. | Horizontal AI assistantsAI-powered presentation design and editing | Y CombinatorW24 | Inactive | checked 2026-08-23 |
| TomaAI AI for Underserved Industries | Vertical AI agentsAI customer support for automotive dealers | Y CombinatorW24 | Active | checked 2026-08-23 |
| ToolifyAI Build internal tools with AI | Developer toolsAI-powered internal tool builder | Y CombinatorW24 | Inactive | checked 2026-08-17 |
| TopoAI All-in-one AI platform for outbound sales | Vertical AI agentsAI outbound sales agent for B2B | Y CombinatorW24 | Active | checked 2026-08-23 |
| TowerAI M&A due diligence platform powered by AI | B2B SaaSAI-powered M&A due diligence platform | Y CombinatorW24 | Active | checked 2026-08-23 |
| TracecatAI The open source AI-native security automation platform | Security and complianceAI-native security automation platform | Y CombinatorW24 | Active | checked 2026-08-23 |
| Trellis AIAI Accelerate Medication Access with AI | Healthcare and biomedication access automation | Y CombinatorW24 | Active | checked 2026-08-23 |
| TrieveAI All-in-one API for search, RAG, & recommendations | Agent infrastructureSearch and RAG infrastructure | Y CombinatorW24 | Acquired | checked 2026-08-17 |
| Triply Operating system for travel businesses in Africa with embedded finance | B2B SaaSTravel ops and finance platform | Y CombinatorW24 | Active | checked 2026-08-23 |
| TrueClaim Transparent, AI-powered healthcare TPA. | B2B SaaSAI-powered health plan administration | Y CombinatorW24 | Active | checked 2026-08-23 |
| Tuesday LabsAI Delightful robots | Robotics and physical worldhome tidying robots | Y CombinatorW24 | Active | checked 2026-08-23 |
| TuskAI AI agent that generates unit and integration tests | Developer toolsAI test generation for developers | Y CombinatorW24 | Acquired | checked 2026-08-23 |
| Ubicloud Open source alternative to AWS | AI infra and computeopen source cloud infrastructure | Y CombinatorW24 | Active | checked 2026-08-23 |
| Upsolve AIAI Deploy trustworthy data agent that know your business | Agent infrastructuredata agent orchestration and governance | Y CombinatorW24 | Active | checked 2026-08-23 |
| VelesAI CPQ for humans and agents | B2B SaaSAI-powered CPQ for SMBs | Y CombinatorW24 | Active | checked 2026-08-23 |
| Velorum Therapeutics Breakthrough medicines unlocking the biology of heme | Healthcare and bioHeme biology therapeutics | Y CombinatorW24 | Active | checked 2026-08-23 |
| Verse Therapy Connecting All Ages with Speech Language Pathologists | Healthcare and bioSpeech therapy practice management platform | Y CombinatorW24 | Acquired | checked 2026-08-23 |
| Vibrant LabsAI Autonomously scaling environments | Agent infrastructureautonomous evaluation scaling for agents | Y CombinatorW24 | Active | checked 2026-08-23 |
| Vista Power Batteries and solar for $0 upfront to help businesses save money | Climate and energySolar and battery financing for businesses | Y CombinatorW24 | Active | checked 2026-08-23 |
| Voicepanel Build with conviction | B2B SaaSuser research and feedback platform | Y CombinatorW24 | Active | checked 2026-08-23 |
| VoxOps AIAI Voice AI for Automotive | Vertical AI agentsVoice AI for automotive service | Y CombinatorW24 | Site unreachable | checked 2026-08-17 |
| WavelengthAI Build Magical Customer Experiences | Vertical AI agentsAI customer success operations | Y CombinatorW24 | Active | checked 2026-08-23 |
| Whip A social feed for interactive AI Creations | ConsumerSocial feed for interactive AI games | Y CombinatorW24 | Active | checked 2026-08-23 |
| Wuri App to read fiction stories as visual novels with images, videos,… | Consumerinteractive fiction platform | Y CombinatorW24 | Inactive | checked 2026-08-17 |
| xPay International Billing Ops, Sales Tax and Payments for SaaS businesses | FintechInternational billing and payments for SaaS | Y CombinatorW24 | Active | checked 2026-08-23 |
| YarnAI Yarn is the video product for agentic GTM teams. | Horizontal AI assistantsAI video generation for GTM teams | Y CombinatorW24 | Active | checked 2026-08-23 |
| Yenmo Secured consumer lending in India | Fintechsecured lending against investments | Y CombinatorW24 | Active | checked 2026-08-23 |
| Yondu Robots to Automate Fulfillment | Robotics and physical worldHumanoid robots for logistics fulfillment | Y CombinatorW24 | Active | checked 2026-08-23 |
| Yoneda LabsAI Foundation Model for Chemical Manufacturing | AI infra and computeFoundation models for chemistry and materials | Y CombinatorW24 | Active | checked 2026-08-23 |
| Zaymo Interactive email builder for ecommerce brands | Commerce and marketplacesinteractive email for ecommerce | Y CombinatorW24 | Active | checked 2026-08-23 |
| Zep AIAI Agent Context Is Hard. We Fixed It. | Agent infrastructureAgent context and memory retrieval | Y CombinatorW24 | Active | checked 2026-08-23 |
| AccendAI AI agents for commercial underwriting at banks and fintechs | Vertical AI agentsAI underwriting agents for commercial lending | Y CombinatorS23 | Active | checked 2026-08-28 |
| Affinity A compliance training platform built for regulated industries. | Security and complianceCompliance training for regulated industries | Y CombinatorS23 | Active | checked 2026-08-23 |
| AgentCollectAI B2B debt collection powered by AI agents | Vertical AI agentsAI debt collection for B2B | Y CombinatorS23 | Active | checked 2026-08-23 |
| Aglide Connect every disconnected app to your SSO. | Security and complianceEnterprise SSO and legacy app security | Y CombinatorS23 | Active | checked 2026-08-23 |
| Airgoods The modern distributor for grocers. | Commerce and marketplacesB2B food and beverage marketplace | Y CombinatorS23 | Active2 open roles | checked 2026-08-28 |
| AiSDRAI AI sales prospecting. Replace your SDR with AiSDR | Vertical AI agentsAI sales prospecting and SDR automation | Y CombinatorS23 | Active | checked 2026-08-23 |
| AIVideo.comAI Superhuman video production as a service | Vertical AI agentsAI video production service | Y CombinatorS23 | Active | checked 2026-08-23 |
| AlgunaAI AI-Native CPQ & Billing for Modern Pricing Models | FintechAI-powered CPQ and billing automation | Y CombinatorS23 | Active | checked 2026-08-23 |
| Andromeda SurgicalAI Autonomous surgical robots | Robotics and physical worldAutonomous surgical robots | Y CombinatorS23 | Site unreachable | checked 2026-08-23 |
| Apoxy Simpler and cheaper multi-cloud and cross-platform deployments. | Agent infrastructureedge deployment and networking infrastructure | Y CombinatorS23 | Active | checked 2026-08-23 |
| ArcimusAI A stream of engineering candidates who ship. | Vertical AI agentsAI recruiting and talent sourcing | Y CombinatorS23 | Active | checked 2026-08-23 |
| Artie Software that streams data from databases to warehouses in real-time | Data for AIreal-time data streaming to warehouses | Y CombinatorS23 | Active | checked 2026-08-23 |
| AtlaAI The improvement engine for AI agents | Agent infrastructureAI agent debugging and optimization | Y CombinatorS23 | Inactive | checked 2026-08-17 |
| AutomorphicAI Infuse knowledge into language models with just 10 samples | AI infra and computeEfficient LLM fine-tuning infrastructure | Y CombinatorS23 | Active | checked 2026-08-23 |
| AutotabAI AI agents reliable enough to do real work | Horizontal AI assistantsAI workflow automation agents | Y CombinatorS23 | Acquired | checked 2026-08-23 |
| Baserun Observability and evaluation platform for LLM apps. | Agent infrastructureLLM observability and evals | Y CombinatorS23 | Site unreachable | checked 2026-08-17 |
| Bland AIAI The enterprise platform for AI phone calls | Agent infrastructureAI phone call infrastructure platform | Y CombinatorS23 | Active, new domain | 2026-08-23 |
| BoltoAI AI Powered All-In-One Payroll, HR + Recruiting | Vertical AI agentsAI payroll and HR automation | Y CombinatorS23 | Active | checked 2026-08-23 |
| Branch AIAI AI Overview Search, as a Service | B2B SaaSAI search enhancement for e-commerce | Y CombinatorS23 | Inactive | checked 2026-08-17 |
| Bretton AIAI AI-native operations for the banks | FintechAI operations for bank compliance | Y CombinatorS23 | Active | checked 2026-08-23 |
| Briefer The collaborative data platform. | Developer toolsinteractive data apps and visualization | Y CombinatorS23 | Inactive | checked 2026-08-17 |
| Bronco AIAI AI for ASIC Design Verification | Vertical AI agentsAI verification engineers for chipmakers | Y CombinatorS23 | Active | checked 2026-08-23 |
| Cair HealthAI AI Agents for Healthcare RCM | Healthcare and bioAI agents for revenue cycle management | Y CombinatorS23 | Active | checked 2026-08-23 |
| Campfire The AI Native ERP for the fastest growing companies. | FintechAI-powered accounting for startups | Y CombinatorS23 | Active31 open roles | checked 2026-08-28 |
| CandorIQ Headcount & Compensation Management | B2B SaaSHeadcount and compensation planning software | Y CombinatorS23 | Active | checked 2026-08-23 |
| Capi Money Helping businesses in emerging markets make pay their international… | FintechCross-border payments for emerging markets | Y CombinatorS23 | Active | checked 2026-08-23 |
| Cardinal GrayAI Automating lenders' interactions with the DMV | Vertical AI agentsAI lien filing automation for lenders | Y CombinatorS23 | Active | checked 2026-08-23 |
| CareOasis Get Paid for Family Caregiving | Consumerfamily caregiving marketplace | Y CombinatorS23 | Active | checked 2026-08-23 |