Cohorts of 2023

Companies whose accelerator cohort started in 2023. 2,105 companies.

CompanyClusterProgramStatusLast signal
Orbio EarthAI

Tracking methane emissions with satellites

Climate and energymethane emissions satellite monitoringY CombinatorS23Site unreachablechecked 2026-08-17
Original Games

Creative & Curious & Universal - Building the future of mobile casual gaming!

Consumercasual mobile gaminga16z speedrunSR001Activechecked 2026-08-23
Osium AIAI

Speed up materials innovation with Artificial Intelligence

Vertical AI agentsMaterials science R&D accelerationY CombinatorS23Activechecked 2026-08-23
OutsetAI

AI-powered user interviews

Vertical AI agentsAI-powered qualitative research interviewsY CombinatorS23Activechecked 2026-08-23
ParadeDB

Unify application data, vectors, and full-text search in one Postgres

AI infra and computeVector search and retrieval infrastructureY CombinatorS23Activechecked 2026-08-23
Parea

Test, evaluate & observe your LLM applications

Developer toolsLLM testing and monitoring platformY CombinatorS23Activechecked 2026-08-23
PeerDB

Fast, native ETL for Postgres 🐘 🚀

Data for AIPostgres-native CDC and data streamingY CombinatorS23Acquiredchecked 2026-08-23
PincitesAI

Close deals faster with AI for contract negotiation

Vertical AI agentsAI contract negotiation for legal teamsY CombinatorS23Acquired2026-08-23
Pointhound

Earn and redeem credit card points for free flights

Consumercredit card points redemption platformY CombinatorS23Activechecked 2026-08-23
Proof of HumanAI

continuous human verification without CAPTCHAs or user friction

Security and compliancebot detection and human verification APIY CombinatorS23Activechecked 2026-08-23
PropRise

The AI platform for CRE investment teams

B2B SaaSAI workflow automation for CRE dealmakingY CombinatorS23Activechecked 2026-08-23
ProsperAI

AI Phone Agents for Healthcare Operations

Vertical AI agentsAI phone agents for healthcare operationsY CombinatorS23Activechecked 2026-08-23
PunchcardAI

Agentive assurance system for auditors, risk consultants, and clients.

Vertical AI agentsAI agents for audit and assuranceY CombinatorS23Activechecked 2026-08-23
Pure

Marketplace for Rare Coins & Precious Metals

Commerce and marketplacesMarketplace for rare coins and precious metalsY CombinatorS23Activechecked 2026-08-23
Quill BillsAI

AI-Powered Medical Billing

Vertical AI agentsAI medical billing automationY CombinatorS23Activechecked 2026-08-23
RankaiAI

RankAI grows your website on autopilot

B2B SaaSAI-powered content and SEO automationY CombinatorS23Activechecked 2026-08-23
Rascal Games

Go on adventures with your friends.

Consumersocial gaming platforma16z speedrunSR001Activechecked 2026-08-23
Ray Browser

The Only Browser Built For Gaming

Consumergaming browser platforma16z speedrunSR001Active, new domain2026-08-23
Read BeanAI

Learn language with real-world content, at your level

ConsumerAI-powered language learning appY CombinatorS23Activechecked 2026-08-23
ReadilyAI

AI Compliance Platform for Healthcare Organizations

Healthcare and bioAI compliance automation for healthcareY CombinatorS23Active, new domain2026-08-23
RecipeUI

The open source Postman alternative.

Developer toolsAPI testing and debuggingY CombinatorS23Inactivechecked 2026-08-17
refine

Open-source Retool for enterprise

Developer toolsReact framework for enterprise appsY CombinatorS23Activechecked 2026-08-23
RemyAI

Making it simpler for medical clinics to work with insurance

Vertical AI agentsInsurance automation for medical clinicsY CombinatorS23Inactivechecked 2026-08-17
RepaintAI

Build a website by chatting with AI

Vertical AI agentsAI website builder via chatY CombinatorS23Activechecked 2026-08-23
RevampAI

AI-Powered Customer Segmentation for eCommerce

B2B SaaSAI customer segmentation for ecommerceY CombinatorS23Activechecked 2026-08-23
ReworkdAI

The simplest way to extract web data at scale

Vertical AI agentsWeb data extraction agentsY CombinatorS23Activechecked 2026-08-23
RimwardAI

Low-false-positive intrusion detection for remote outdoor sites

Security and complianceComputer vision intrusion detection for remote sitesY CombinatorS23Activechecked 2026-08-23
Roame

Flight search engine using credit card points and miles

Consumerflight search for points and milesY CombinatorS23Activechecked 2026-08-23
RosebudAI

Vibe Code Games

ConsumerAI-powered game creation platforma16z speedrunSR001Activechecked 2026-08-23
RunwareAI

Flexible generative AI for image and video.

AI infra and computeAI media generation API and inferencea16z speedrunSR001Activechecked 2026-08-25
Saatvy

Root cause help for chronic conditions

Healthcare and bioAyurvedic chronic disease managementY CombinatorS23Inactivechecked 2026-08-23
SafetyKitAI

AI agents for risk, compliance, and safety

Vertical AI agentsAI agents for trust and safety operationsY CombinatorS23Activechecked 2026-08-23
SantĂŠ

All-in-one POS for liquor stores

B2B SaaSPOS system for liquor retailY CombinatorS23Activechecked 2026-08-23
Sci-Lume

Bylon™: the sustainable apparel fiber replacement, at the scale we need

Climate and energysustainable materials and apparelSOSVSOSV IndieBio NY 08Activechecked 2026-08-23
Sendblue

iMessage for Sales

B2B SaaSSales messaging automationY CombinatorS23Activechecked 2026-08-23
SerraAI

Your 24/7 AI Recruiter

Vertical AI agentsAI recruiting agent for sourcingY CombinatorS23Activechecked 2026-08-23
Shadeform

The GPU Cloud Marketplace

AI infra and computeGPU cloud marketplace and provisioningY CombinatorS23Active, new domain2026-08-23
Shasta HealthAI

AI calling & browser agents for healthcare

Healthcare and bioAI agents for clinical administrationY CombinatorS23Activechecked 2026-08-23
SIDAI

AI research lab for retrieval

Data for AIretrieval and reasoning infrastructureY CombinatorS23Activechecked 2026-08-23
SidenoteAI

Meeting follow-up, automated

Vertical AI agentsMeeting follow-up automationY CombinatorS23Inactivechecked 2026-08-23
SilimateAI

Fast, efficient agents for chip design and debug

Vertical AI agentsAI agents for chip design and debugY CombinatorS23Activechecked 2026-08-23
Simbie AIAI

We get patients to their next appointment

Vertical AI agentsPatient appointment reminders and no-show reductionY CombinatorS23Activechecked 2026-08-23
Singularity

Building and Protecting an Exciting Future

Defense and spacecounter-weapon defense systemsY CombinatorS23Activechecked 2026-08-23
sizeless

Instant 3D Digital Twins for Smarter Real Estate.

B2B SaaS3D digital twins for property managementY CombinatorS23Activechecked 2026-08-23
SkyvernAI

Open Source AI Agent to automate browser workflows via an API

Agent infrastructureBrowser automation for AI agentsY CombinatorS23Activechecked 2026-08-23
SlickerAI

Recover payment failures and maximize subscription Revenue

FintechAI payment recovery for subscriptionsY CombinatorS23Activechecked 2026-08-23
SloydAI

Sloyd is a platform where creators can generate 3D models fast and in a easy way.

Developer tools3D asset generation for creatorsa16z speedrunSR001Activechecked 2026-08-23
Smobi

Send texts your customers actually want over RCS

B2B SaaSAI-powered business messaging platformY CombinatorS23Activechecked 2026-08-23
Sohar HealthAI

AI-powered insurance verification to boost patient conversion.

Healthcare and bioAI insurance verification automationY CombinatorS23Activechecked 2026-08-23
SolaAI

Copilot for Robotic Process Automation

Agent infrastructureRPA and workflow automation infrastructureY CombinatorS23Active, new domain2026-08-23
Solve IntelligenceAI

AI patent drafting, prosecution, litigation and more for legal teams.

Vertical AI agentsAI patent drafting and prosecution for legal teamsY CombinatorS23Activechecked 2026-08-23
Spine AIAI

Manage a swarm of AI agents to get real work done

Agent infrastructuremulti-agent orchestration and visualizationY CombinatorS23Activechecked 2026-08-23
Starstone

Next generation construction with biological building blocks

Robotics and physical worldbiological construction materialsSOSVSOSV IndieBio NY 08Site unreachablechecked 2026-08-17
Stellar Sleep

We help people with chronic insomnia sleep better, using psychology.

Healthcare and biodigital mental health for insomniaY CombinatorS23Activechecked 2026-08-23
StradaAI

AI agents that run insurance operations

Vertical AI agentsAI agents for insurance operationsY CombinatorS23Activechecked 2026-08-23
Structured LabsAI

The publishing layer for the agentic internet

Developer toolsAI-assisted technical documentation platformY CombinatorS23Inactivechecked 2026-08-23
StuddyAI

An AI math tutor for every student

ConsumerAI math tutor for studentsY CombinatorS23Active, new domain2026-08-23
SubsetsAI

AI-driven Retention Automation for subscription media businesses.

B2B SaaSAI lifecycle automation for subscription mediaY CombinatorS23Activechecked 2026-08-23
sudocodeAI

orchestrate your coding agents with sudocode

Agent infrastructureAI agent orchestration and context managementY CombinatorS23Site unreachablechecked 2026-08-17
SuperGaming

Building India's Gaming Revolution

Consumermultiplayer gaming studioa16z speedrunSR001Activechecked 2026-08-23
Surface LabsAI

Building the AI-powered marketing ops platform that turns website…

Vertical AI agentsAI lead capture and qualification for B2BY CombinatorS23Activechecked 2026-08-23
SweepAI

The best AI coding assistant for JetBrains

Developer toolsAI coding assistant for JetBrains IDEsY CombinatorS23Activechecked 2026-08-23
Sweetspot

AI for Government Contracting.

B2B SaaSGovernment contracting platformY CombinatorS23Activechecked 2026-08-23
Synch

Supercharging Sales

B2B SaaSSales operations platformY CombinatorS23Inactivechecked 2026-08-17
SyntheticFi

The cheapest way to borrow money

FintechRIA-enabled lending platformY CombinatorS23Activechecked 2026-08-23
TalcAI

Event extraction for Medical Researchers

Data for AImedical EHR event extractionY CombinatorS23Activechecked 2026-08-23
Talofa Games

Talofa is building Roblox for Fitness. Our platform makes it simple for creators to develop fitness games for Gen Z.

Consumerfitness gaming platforma16z speedrunSR001Activechecked 2026-08-23
Tastee Tape

Truly sustainable packaging, even edible

OtherSustainable edible packagingSOSVSOSV IndieBio NY 08Activechecked 2026-08-23
Tempo

Visual Editor for React, powered by AI

Developer toolsAI-powered visual React editorY CombinatorS23Activechecked 2026-08-23
Terminal

Plaid for Telematics Data in Commercial Trucking

Commerce and marketplacestelematics data infrastructure for logisticsY CombinatorS23Activechecked 2026-08-23
Terracotta AIAI

AI-powered Infrastructure as Code PR reviews

Developer toolsAI code review for Infrastructure as CodeY CombinatorS23Activechecked 2026-08-23
The Possible CompanyAI

Turn your story into a short, animated movie in minutes. Resurrect old blogs, augment your Substack, or prototype your movie pitch.

ConsumerAI storytelling and movie creation for writersa16z speedrunSR001Activechecked 2026-08-23
Tiptap

The open-source document editor for humans and AI agents.

Developer toolsOpen-source collaborative document editor frameworkY CombinatorS23Activechecked 2026-08-23
Torbie

Crafting worlds, connecting hearts

Consumercooperative multiplayer gamesa16z speedrunSR001Activechecked 2026-08-23
Trainy

Infrastructure for managing GPU clusters for training/serving.

AI infra and computeGPU cluster scheduling and orchestrationY CombinatorS23Activechecked 2026-08-23
Trass Games

Trass Games is building the next-generation social UGC platform in VR with Yeeps—a top 10 Meta Quest game that blends the creativity of Minecraft and Roblox with the energy of Gorilla Tag.

Consumersocial VR gaming platforma16z speedrunSR001Activechecked 2026-08-23
Trayd

A construction payroll and compliance platform built for specialty…

B2B SaaSConstruction payroll and complianceY CombinatorS23Activechecked 2026-08-23
Tremor

The UI toolkit for Dashboards

Developer toolsDashboard UI component libraryY CombinatorS23Acquiredchecked 2026-08-23
truemetricsAI

We show couriers where to park and enter a building.

Commerce and marketplaceslast-mile delivery optimizationY CombinatorS23Activechecked 2026-08-23
Twenty

Open Source CRM

B2B SaaSopen source CRM platformY CombinatorS23Activechecked 2026-08-23
TwineAI

ai revenue engine for service businesses

Vertical AI agentsAI revenue operations for service businessesY CombinatorS23Activechecked 2026-08-23
UnhazeAI

The right leads at the right time for B2B sales

B2B SaaSAI-powered lead prioritization for salesY CombinatorS23Inactivechecked 2026-08-17
Unleashed Games

Making Games that Bring People Together

ConsumerAI-powered family gaming platforma16z speedrunSR001Activechecked 2026-08-23
UpstreamAI

The first inbox designed for humans and agents

Horizontal AI assistantsAI email agent assistantY CombinatorS23Activechecked 2026-08-23
UthanaAI

Foundational models for human motion.

Developer tools3D animation and motion generation toolsa16z speedrunSR001Activechecked 2026-08-23
Vango AIAI

Development platform that makes it 10x easier to improve visual models

Developer toolsVisual model evaluation platformY CombinatorS23Inactivechecked 2026-08-17
VaultPay

Digital banking platform for the 30 million smartphone users in DRC.

FintechMobile banking for emerging marketsY CombinatorS23Activechecked 2026-08-23
VectorShiftAI

AI Operating System for Private Market Investors

Vertical AI agentsAI operating system for private equityY CombinatorS23Activechecked 2026-08-23
Venta AIAI

The compliant AI colleague for sales teams in Europe

Vertical AI agentsAI sales outreach assistant for EU teamsY CombinatorS23Activechecked 2026-08-23
VetRecAI

AI Scribe for veterinarians. Saving time and improving patient care.

Vertical AI agentsAI scribe for veterinary clinicsY CombinatorS23Activechecked 2026-08-23
VizlyAI

Data to insights in seconds

Data for AIAI-powered data visualization and analysisY CombinatorS23Inactivechecked 2026-08-17
Voidpet

Emotion Monsters

Consumermobile RPG collectibles gamea16z speedrunSR001Activechecked 2026-08-23
Watto AIAI

AI-powered McKinsey-quality reports in seconds

Vertical AI agentsAI-powered business report generationY CombinatorS23Acquiredchecked 2026-08-17
Wattson HealthAI

AI Voice and SMS Agents for Healthcare

Vertical AI agentsAI voice agents for healthcare administrative tasksY CombinatorS23Activechecked 2026-08-23
WebhoundAI

Long-horizon research agents

Horizontal AI assistantsLong-horizon research automationY CombinatorS23Activechecked 2026-08-23
Windwalk

Own your community data and unlock growth and monetization.

B2B SaaScommunity platform for fandomsa16z speedrunSR001Activechecked 2026-08-23
Xeol

Close your outdated dependency attack vector

Security and complianceEnd-of-life software vulnerability managementY CombinatorS23Acquiredchecked 2026-08-23
Y/n

Play your story

ConsumerInteractive storytelling appY CombinatorS23Activechecked 2026-08-23
Zelos Cloud

The Data Platform for Mission‑Critical Systems

Robotics and physical worldmission-critical systems data platformY CombinatorS23Activechecked 2026-08-23
Zibra AIAI

AI-Native Infrastructure for Spatial AI

AI infra and compute3D data compression for spatial AIa16z speedrunSR001Activechecked 2026-08-23