Cohorts of 2023
Companies whose accelerator cohort started in 2023. 2,105 companies.
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| MindedAI Cursor for AI Agents | Agent infrastructureAI agent development and orchestration | Y CombinatorS23 | Active | checked 2026-08-23 |
| MorphAI Fast Models Optimized for Coding Agents | Agent infrastructureModel serving for coding agents | Y CombinatorS23 | Active | checked 2026-08-23 |
| NanograbAI Deliver genes to any cell with AI | Healthcare and bioAI-driven gene therapy vector design | Y CombinatorS23 | Active | checked 2026-08-23 |
| NectarAI Manage energy cost & usage with AI for facility & sustainability teams | Climate and energyAI energy management for buildings | Y CombinatorS23 | Active | checked 2026-08-23 |
| NowadaysAI AI-native platform for corporate meetings and events | Vertical AI agentsAI meeting and event planning automation | Y CombinatorS23 | Active | checked 2026-08-23 |
| NumenAI Engineering a future without cancer deaths. | Healthcare and bioAI-powered cancer diagnostics | Y CombinatorS23 | Active | checked 2026-08-23 |
| Obento HealthAI CRM Co-Pilot for Medtech Sales | Horizontal AI assistantsCRM copilot for medtech sales | Y CombinatorS23 | Site unreachable | checked 2026-08-24 |
| Ohmic Biosciences Genetically engineering plants for disease resistance. | Climate and energyagricultural biotech for crop resilience | Y CombinatorS23 | Active | checked 2026-08-23 |
| Olio Labs Combination therapeutics for the world's toughest diseases | Healthcare and bioAI-driven combination therapeutics discovery | Y CombinatorS23 | Active, new domain | 2026-08-23 |
| OpensteerAI Specialized agents for real work | Vertical AI agentsAutonomous workflow agents for enterprises | Y CombinatorS23 | Active | checked 2026-08-23 |
| OpenToolsAI The API for LLM tool use | Agent infrastructureLLM tool integration API | Y CombinatorS23 | Active | checked 2026-08-23 |
| Ora AIAI The AI Platform for Medical Education | Healthcare and bioAI medical education platform | Y CombinatorS23 | Active | checked 2026-08-23 |
| Orbio EarthAI Tracking methane emissions with satellites | Climate and energymethane emissions satellite monitoring | Y CombinatorS23 | Site unreachable | checked 2026-08-17 |
| Osium AIAI Speed up materials innovation with Artificial Intelligence | Vertical AI agentsMaterials science R&D acceleration | Y CombinatorS23 | Active | checked 2026-08-23 |
| OutsetAI AI-powered user interviews | Vertical AI agentsAI-powered qualitative research interviews | Y CombinatorS23 | Active | checked 2026-08-23 |
| ParadeDB Unify application data, vectors, and full-text search in one Postgres | AI infra and computeVector search and retrieval infrastructure | Y CombinatorS23 | Active | checked 2026-08-23 |
| Parea Test, evaluate & observe your LLM applications | Developer toolsLLM testing and monitoring platform | Y CombinatorS23 | Active | checked 2026-08-23 |
| Pointhound Earn and redeem credit card points for free flights | Consumercredit card points redemption platform | Y CombinatorS23 | Active | checked 2026-08-23 |
| Proof of HumanAI continuous human verification without CAPTCHAs or user friction | Security and compliancebot detection and human verification API | Y CombinatorS23 | Active | checked 2026-08-23 |
| PropRise The AI platform for CRE investment teams | B2B SaaSAI workflow automation for CRE dealmaking | Y CombinatorS23 | Active | checked 2026-08-23 |
| ProsperAI AI Phone Agents for Healthcare Operations | Vertical AI agentsAI phone agents for healthcare operations | Y CombinatorS23 | Active | checked 2026-08-23 |
| PunchcardAI Agentive assurance system for auditors, risk consultants, and clients. | Vertical AI agentsAI agents for audit and assurance | Y CombinatorS23 | Active | checked 2026-08-23 |
| Pure Marketplace for Rare Coins & Precious Metals | Commerce and marketplacesMarketplace for rare coins and precious metals | Y CombinatorS23 | Active | checked 2026-08-23 |
| Quill BillsAI AI-Powered Medical Billing | Vertical AI agentsAI medical billing automation | Y CombinatorS23 | Active | checked 2026-08-23 |
| RankaiAI RankAI grows your website on autopilot | B2B SaaSAI-powered content and SEO automation | Y CombinatorS23 | Active | checked 2026-08-23 |
| Read BeanAI Learn language with real-world content, at your level | ConsumerAI-powered language learning app | Y CombinatorS23 | Active | checked 2026-08-23 |
| ReadilyAI AI Compliance Platform for Healthcare Organizations | Healthcare and bioAI compliance automation for healthcare | Y CombinatorS23 | Active, new domain | 2026-08-23 |
| RecipeUI The open source Postman alternative. | Developer toolsAPI testing and debugging | Y CombinatorS23 | Inactive | checked 2026-08-17 |
| refine Open-source Retool for enterprise | Developer toolsReact framework for enterprise apps | Y CombinatorS23 | Active | checked 2026-08-23 |
| RepaintAI Build a website by chatting with AI | Vertical AI agentsAI website builder via chat | Y CombinatorS23 | Active | checked 2026-08-23 |
| RevampAI AI-Powered Customer Segmentation for eCommerce | B2B SaaSAI customer segmentation for ecommerce | Y CombinatorS23 | Active | checked 2026-08-23 |
| ReworkdAI The simplest way to extract web data at scale | Vertical AI agentsWeb data extraction agents | Y CombinatorS23 | Active | checked 2026-08-23 |
| RimwardAI Low-false-positive intrusion detection for remote outdoor sites | Security and complianceComputer vision intrusion detection for remote sites | Y CombinatorS23 | Active | checked 2026-08-23 |
| Roame Flight search engine using credit card points and miles | Consumerflight search for points and miles | Y CombinatorS23 | Active | checked 2026-08-23 |
| SafetyKitAI AI agents for risk, compliance, and safety | Vertical AI agentsAI agents for trust and safety operations | Y CombinatorS23 | Active | checked 2026-08-23 |
| Santé All-in-one POS for liquor stores | B2B SaaSPOS system for liquor retail | Y CombinatorS23 | Active | checked 2026-08-23 |
| Sendblue iMessage for Sales | B2B SaaSSales messaging automation | Y CombinatorS23 | Active | checked 2026-08-23 |
| SerraAI Your 24/7 AI Recruiter | Vertical AI agentsAI recruiting agent for sourcing | Y CombinatorS23 | Active | checked 2026-08-23 |
| Shadeform The GPU Cloud Marketplace | AI infra and computeGPU cloud marketplace and provisioning | Y CombinatorS23 | Active, new domain | 2026-08-23 |
| Shasta HealthAI AI calling & browser agents for healthcare | Healthcare and bioAI agents for clinical administration | Y CombinatorS23 | Active | checked 2026-08-23 |
| SIDAI AI research lab for retrieval | Data for AIretrieval and reasoning infrastructure | Y CombinatorS23 | Active | checked 2026-08-23 |
| SilimateAI Fast, efficient agents for chip design and debug | Vertical AI agentsAI agents for chip design and debug | Y CombinatorS23 | Active | checked 2026-08-23 |
| Simbie AIAI We get patients to their next appointment | Vertical AI agentsPatient appointment reminders and no-show reduction | Y CombinatorS23 | Active | checked 2026-08-23 |
| Singularity Building and Protecting an Exciting Future | Defense and spacecounter-weapon defense systems | Y CombinatorS23 | Active | checked 2026-08-23 |
| sizeless Instant 3D Digital Twins for Smarter Real Estate. | B2B SaaS3D digital twins for property management | Y CombinatorS23 | Active | checked 2026-08-23 |
| SkyvernAI Open Source AI Agent to automate browser workflows via an API | Agent infrastructureBrowser automation for AI agents | Y CombinatorS23 | Active | checked 2026-08-23 |
| SlickerAI Recover payment failures and maximize subscription Revenue | FintechAI payment recovery for subscriptions | Y CombinatorS23 | Active | checked 2026-08-23 |
| Smobi Send texts your customers actually want over RCS | B2B SaaSAI-powered business messaging platform | Y CombinatorS23 | Active | checked 2026-08-23 |
| Sohar HealthAI AI-powered insurance verification to boost patient conversion. | Healthcare and bioAI insurance verification automation | Y CombinatorS23 | Active | checked 2026-08-23 |
| SolaAI Copilot for Robotic Process Automation | Agent infrastructureRPA and workflow automation infrastructure | Y CombinatorS23 | Active, new domain | 2026-08-23 |
| Solve IntelligenceAI AI patent drafting, prosecution, litigation and more for legal teams. | Vertical AI agentsAI patent drafting and prosecution for legal teams | Y CombinatorS23 | Active | checked 2026-08-23 |
| Spine AIAI Manage a swarm of AI agents to get real work done | Agent infrastructuremulti-agent orchestration and visualization | Y CombinatorS23 | Active | checked 2026-08-23 |
| Stellar Sleep We help people with chronic insomnia sleep better, using psychology. | Healthcare and biodigital mental health for insomnia | Y CombinatorS23 | Active | checked 2026-08-23 |
| StradaAI AI agents that run insurance operations | Vertical AI agentsAI agents for insurance operations | Y CombinatorS23 | Active | checked 2026-08-23 |
| StuddyAI An AI math tutor for every student | ConsumerAI math tutor for students | Y CombinatorS23 | Active, new domain | 2026-08-23 |
| SubsetsAI AI-driven Retention Automation for subscription media businesses. | B2B SaaSAI lifecycle automation for subscription media | Y CombinatorS23 | Active | checked 2026-08-23 |
| sudocodeAI orchestrate your coding agents with sudocode | Agent infrastructureAI agent orchestration and context management | Y CombinatorS23 | Site unreachable | checked 2026-08-17 |
| Surface LabsAI Building the AI-powered marketing ops platform that turns website… | Vertical AI agentsAI lead capture and qualification for B2B | Y CombinatorS23 | Active | checked 2026-08-23 |
| SweepAI The best AI coding assistant for JetBrains | Developer toolsAI coding assistant for JetBrains IDEs | Y CombinatorS23 | Active | checked 2026-08-23 |
| Sweetspot AI for Government Contracting. | B2B SaaSGovernment contracting platform | Y CombinatorS23 | Active | checked 2026-08-23 |
| SyntheticFi The cheapest way to borrow money | FintechRIA-enabled lending platform | Y CombinatorS23 | Active | checked 2026-08-23 |
| TalcAI Event extraction for Medical Researchers | Data for AImedical EHR event extraction | Y CombinatorS23 | Active | checked 2026-08-23 |
| Tempo Visual Editor for React, powered by AI | Developer toolsAI-powered visual React editor | Y CombinatorS23 | Active | checked 2026-08-23 |
| Terminal Plaid for Telematics Data in Commercial Trucking | Commerce and marketplacestelematics data infrastructure for logistics | Y CombinatorS23 | Active | checked 2026-08-23 |
| Terracotta AIAI AI-powered Infrastructure as Code PR reviews | Developer toolsAI code review for Infrastructure as Code | Y CombinatorS23 | Active | checked 2026-08-23 |
| Tiptap The open-source document editor for humans and AI agents. | Developer toolsOpen-source collaborative document editor framework | Y CombinatorS23 | Active | checked 2026-08-23 |
| Trainy Infrastructure for managing GPU clusters for training/serving. | AI infra and computeGPU cluster scheduling and orchestration | Y CombinatorS23 | Active | checked 2026-08-23 |
| Trayd A construction payroll and compliance platform built for specialty… | B2B SaaSConstruction payroll and compliance | Y CombinatorS23 | Active | checked 2026-08-23 |
| truemetricsAI We show couriers where to park and enter a building. | Commerce and marketplaceslast-mile delivery optimization | Y CombinatorS23 | Active | checked 2026-08-23 |
| Twenty Open Source CRM | B2B SaaSopen source CRM platform | Y CombinatorS23 | Active | checked 2026-08-23 |
| TwineAI ai revenue engine for service businesses | Vertical AI agentsAI revenue operations for service businesses | Y CombinatorS23 | Active | checked 2026-08-23 |
| UpstreamAI The first inbox designed for humans and agents | Horizontal AI assistantsAI email agent assistant | Y CombinatorS23 | Active | checked 2026-08-23 |
| VaultPay Digital banking platform for the 30 million smartphone users in DRC. | FintechMobile banking for emerging markets | Y CombinatorS23 | Active | checked 2026-08-23 |
| VectorShiftAI AI Operating System for Private Market Investors | Vertical AI agentsAI operating system for private equity | Y CombinatorS23 | Active | checked 2026-08-23 |
| Venta AIAI The compliant AI colleague for sales teams in Europe | Vertical AI agentsAI sales outreach assistant for EU teams | Y CombinatorS23 | Active | checked 2026-08-23 |
| VetRecAI AI Scribe for veterinarians. Saving time and improving patient care. | Vertical AI agentsAI scribe for veterinary clinics | Y CombinatorS23 | Active | checked 2026-08-23 |
| Wattson HealthAI AI Voice and SMS Agents for Healthcare | Vertical AI agentsAI voice agents for healthcare administrative tasks | Y CombinatorS23 | Active | checked 2026-08-23 |
| WebhoundAI Long-horizon research agents | Horizontal AI assistantsLong-horizon research automation | Y CombinatorS23 | Active | checked 2026-08-23 |
| Y/n Play your story | ConsumerInteractive storytelling app | Y CombinatorS23 | Active | checked 2026-08-23 |
| Zelos Cloud The Data Platform for Mission‑Critical Systems | Robotics and physical worldmission-critical systems data platform | Y CombinatorS23 | Active | checked 2026-08-23 |
| 1stCollab Performance-Optimized Influencer Marketing at Scale | B2B SaaSinfluencer marketing automation | Y CombinatorW23 | Active | checked 2026-08-23 |
| 222AI the AI social facilitator for offline human to human interactions | ConsumerAI-powered social event marketplace | Y CombinatorW23 | Active | checked 2026-08-23 |
| Adri AIAI Your AI Partner for SAP Development | Vertical AI agentsAI agents for SAP development workflow | Y CombinatorW23 | Active | checked 2026-08-23 |
| Adventris Pharmaceuticals Adventris makes cancer vaccines | Healthcare and biocancer vaccine immunotherapy | Y CombinatorW23 | Active | checked 2026-08-23 |
| AlaanAI Modern finance platform for the Middle East | FintechAI-native business banking and finance platform for MENA | Y CombinatorW23 | Active | checked 2026-08-23 |
| AlloyAI AI prototyping tool for product managers | Developer toolsAI prototyping and design-to-code | Y CombinatorW23 | Active | checked 2026-08-23 |
| Alphawatch AIAI Discover new opportunities (jobs, deals, investors) | Horizontal AI assistantsAI-powered relationship intelligence platform | Y CombinatorW23 | Active | checked 2026-08-23 |
| ArigladAI Knowledge base maintenance on auto-pilot | Vertical AI agentsAI-powered knowledge base maintenance | Y CombinatorW23 | Active | checked 2026-08-23 |
| AtmetoAI We develop ML that optimizes how batteries in the grid store energy | Climate and energyBattery storage optimization for grids | Y CombinatorW23 | Active | checked 2026-08-23 |
| AutomatAI AI enabled RPA using ChatGPT and computer vision | Agent infrastructureRPA automation platform with LLM | Y CombinatorW23 | Active | checked 2026-08-23 |
| AvocaAI AI-powered Sales Agent for Service-Based Industries | Vertical AI agentsAI sales agent for service businesses | Y CombinatorW23 | Active | checked 2026-08-23 |
| BackdropAI AI coworkers for running projects and operations | Horizontal AI assistantsAI project and operations management | Y CombinatorW23 | Active | checked 2026-08-23 |
| BenchmarkAI Decision infrastructure for investment firms | FintechAI decision platform for investment firms | Y CombinatorW23 | Active | checked 2026-08-23 |
| BerryAI Scale customer success and onboarding with AI | Vertical AI agentsAI customer success for SaaS | Y CombinatorW23 | Active | checked 2026-08-23 |
| Bluedot Bluedot is a single payment platform for EV drivers and fleets. | FintechEV charging payments and fleet management | Y CombinatorW23 | Active | checked 2026-08-23 |
| BoundaryAI The programming language for AI | Developer toolsAI programming language for agents | Y CombinatorW23 | Active | checked 2026-08-23 |
| BuildJet High-performance computing cloud | Developer toolsCI/CD acceleration infrastructure | Y CombinatorW23 | Active | checked 2026-08-23 |
| Bujeti The Finance Control Centre for African Businesses | FintechSpend management and payroll for African SMBs | Y CombinatorW23 | Active | checked 2026-08-23 |
| Chart Realtime Access to Verified Tax Records | FintechTax records API and verification | Y CombinatorW23 | Active | checked 2026-08-23 |
| ChimaAI Building infrastructure tools to help large companies customize their… | AI infra and computeModel customization and fine-tuning infrastructure | Y CombinatorW23 | Active | checked 2026-08-23 |