Y Combinator companies

The Y Combinator portfolio as the radar sees it: synced daily, classified into clusters, checked for life and movement. 6,198 companies.

CompanyClusterProgramStatusLast signal
CTGTAI

The deterministic layer for frontier intelligence

Agent infrastructureAI alignment and reliability layerY CombinatorF24Activechecked 2026-08-23
DarkgradeAI

Let your camera understand the world

Agent infrastructureLLM image sensor protocol infrastructureY CombinatorF24Activechecked 2026-08-23
EndstackAI

The complete, collaborative workspace for humans and agents

Agent infrastructureAgent workspace and orchestration platformY CombinatorF24Activechecked 2026-08-23
GaliniAI

Compliance guardrails-as-a-service for AI applications

Agent infrastructureAI compliance and safety guardrailsY CombinatorF24Activechecked 2026-08-23
MoonshineAI

Extending AI to interact with the real world

Agent infrastructureReal-world AI execution platformY CombinatorF24Activechecked 2026-08-23
Openbenchmarks

Openbenchmarks helps you pick vendors for your use-case via Benchmarks

Agent infrastructureagent vendor selection and benchmarkingY CombinatorF24Activechecked 2026-08-23
RiveterAI

Turn the web into structured data

Agent infrastructureweb data extraction and automationY CombinatorF24Activechecked 2026-08-23
SmoothAI

Fast, simple, reliable AI browser agent

Agent infrastructureBrowser automation and web agentsY CombinatorF24Activechecked 2026-08-23
StructAI

Agents that keep prod running

Agent infrastructureAI incident response for DevOpsY CombinatorF24Activechecked 2026-08-23
SynthAI

Prompt and Context Optimization for Coding Agents

Agent infrastructureAgent prompt and context optimizationY CombinatorF24Activechecked 2026-08-23
VespperAI

The best DOCX MCP for agents to edit microsoft word documents

Agent infrastructureDocument editing MCP for agentsY CombinatorF24Activechecked 2026-08-23
BrowserOSAI

The Open Source Agentic Browser

Agent infrastructureLocal agentic browser runtimeY CombinatorS24Activechecked 2026-08-23
CloudglueAI

The video context layer for AI.

Agent infrastructurevideo understanding platform for AI agentsY CombinatorS24Activechecked 2026-08-23
CovalAI

Simulation & Evaluation that scales voice and chat AI agents

Agent infrastructureAI agent simulation and evaluationY CombinatorS24Active, new domain2026-08-23
Decisional AIAI

AI Coworkers for Business Automation

Agent infrastructureWorkflow automation agent platformY CombinatorS24Activechecked 2026-08-23
DoublezeroAI

Platform to build, use, and monetize fully autonomous agents

Agent infrastructureautonomous agent orchestration platformY CombinatorS24Site unreachablechecked 2026-08-17
expand.ai

Turn any website into an API.

Agent infrastructureweb scraping and API infrastructureY CombinatorS24Activechecked 2026-08-23
Hamming AIAI

Complete QA platform for voice agents

Agent infrastructureVoice agent QA and monitoring platformY CombinatorS24Activechecked 2026-08-23
Hexclave

The user infrastructure platform

Agent infrastructureUser infrastructure and identity for agentsY CombinatorS24Activechecked 2026-08-23
Hyrex

The COLD Task Framework

Agent infrastructureTask orchestration and async processingY CombinatorS24Activechecked 2026-08-23
Kura AIAI

New State of the Art for Browser Agents

Agent infrastructureBrowser automation for AI agentsY CombinatorS24Activechecked 2026-08-23
LaminarAI

Understand why your AI agent breaks. Iterate fast to fix it.

Agent infrastructureAI agent observability and debuggingY CombinatorS24Activechecked 2026-08-23
MaitaiAI

Reliable, self-improving enterprise AI

Agent infrastructureAI model reliability and self-improvementY CombinatorS24Activechecked 2026-08-23
Mem0AI

The Memory layer for AI Agents

Agent infrastructureMemory and context management for AI agentsY CombinatorS24Activechecked 2026-08-23
PraxosAI

Team messaging with built-in memory

Agent infrastructuremessaging platform for AI agentsY CombinatorS24Activechecked 2026-08-23
Redouble AIAI

Java-native multi-agentic AI operating system for enterprise

Agent infrastructureJava enterprise agentic OSY CombinatorS24Activechecked 2026-08-23
RetroFixAI

Automate any workflow using plain english

Agent infrastructureWorkflow automation platform with AIY CombinatorS24Activechecked 2026-08-23
RunLocal AIAI

AI agent that optimizes inference for embedded compute like Jetson

Agent infrastructureAI optimization for embedded inferenceY CombinatorS24Activechecked 2026-08-23
Voker

The Agent Analytics Platform

Agent infrastructureAI agent monitoring and analyticsY CombinatorS24Activechecked 2026-08-23
WordwareAI

AI agents you can rely on

Agent infrastructureAgent learning and autonomy platformY CombinatorS24Activechecked 2026-08-23
Andon LabsAI

Autonomous organizations without humans in the loop

Agent infrastructureAI control and safety evaluation infrastructureY CombinatorW24Activechecked 2026-08-23
Brainbase LabsAI

The AI Labor Company

Agent infrastructureAI agent environments and toolingY CombinatorW24Activechecked 2026-08-23
Breez LabsAI

Helping Companies Deploy Email Agents in High Trust Domains

Agent infrastructureEmail agent deployment infrastructureY CombinatorW24Activechecked 2026-08-23
Centauri AIAI

Helps teams work effectively with AI coding agents.

Agent infrastructureAI coding agent orchestrationY CombinatorW24Activechecked 2026-08-23
CloudCruiseAI

The developer platform for fast and reliable browser agents

Agent infrastructureBrowser automation for agentsY CombinatorW24Activechecked 2026-08-23
EllipsisAI

Cloud platform for coding agents

Agent infrastructureCoding agent orchestration platformY CombinatorW24Activechecked 2026-08-23
GumloopAI

A no-code platform for creating agents and automating workflows with…

Agent infrastructureLow-code workflow automation platformY CombinatorW24Activechecked 2026-08-23
Hatchet

The orchestration platform for teams who ship.

Agent infrastructureAI agent orchestration and observabilityY CombinatorW24Activechecked 2026-08-23
KeystrokeAI

An all-in-one platform for building internal agents & workflows

Agent infrastructureAgent orchestration and deployment platformY CombinatorW24Activechecked 2026-08-23
MillionAI

Tools for agent verification

Agent infrastructureAI agent verification and testingY CombinatorW24Activechecked 2026-08-23
Panelytic

Payment infrastructure for machines

Agent infrastructurePayment infrastructure for autonomous agentsY CombinatorW24Activechecked 2026-08-23
ParadigmAI

A reimagined workspace with AI at its core

Agent infrastructureAI agent orchestration for structured dataY CombinatorW24Activechecked 2026-08-23
RaindropAI

Sentry for AI Agents

Agent infrastructureAI agent monitoring and observabilityY CombinatorW24Activechecked 2026-08-23
ReductoAI

The complete agentic document platform

Agent infrastructureagentic document processing platformY CombinatorW24Activechecked 2026-08-23
RelariAI

Building dexterous robots that learn from humans

Agent infrastructureAI agent builder and verificationY CombinatorW24Activechecked 2026-08-23
RespanAI

Self-driving observability, evals, and gateway for AI agents

Agent infrastructureAI agent observability and gatewayY CombinatorW24Activechecked 2026-08-23
SensoAI

Control what AI says about you

Agent infrastructureAgent data context and controlY CombinatorW24Activechecked 2026-08-23
Upsolve AIAI

Deploy trustworthy data agent that know your business

Agent infrastructuredata agent orchestration and governanceY CombinatorW24Activechecked 2026-08-23
Vibrant LabsAI

Autonomously scaling environments

Agent infrastructureautonomous evaluation scaling for agentsY CombinatorW24Activechecked 2026-08-23
Zep AIAI

Agent Context Is Hard. We Fixed It.

Agent infrastructureAgent context and memory retrievalY CombinatorW24Activechecked 2026-08-23
Apoxy

Simpler and cheaper multi-cloud and cross-platform deployments.

Agent infrastructureedge deployment and networking infrastructureY CombinatorS23Activechecked 2026-08-23
Baserun

Observability and evaluation platform for LLM apps.

Agent infrastructureLLM observability and evalsY CombinatorS23Site unreachablechecked 2026-08-17
Bland AIAI

The enterprise platform for AI phone calls

Agent infrastructureAI phone call infrastructure platformY CombinatorS23Active, new domain2026-08-23
CedanaAI

Fast, reliable, reproducible AI with GPU live migration

Agent infrastructureGPU orchestration and live migrationY CombinatorS23Active, new domain2026-08-23
DialtoneAI

AI Agents for Enterprises

Agent infrastructureEnterprise agentic workflow orchestrationY CombinatorS23Activechecked 2026-08-23
Energent AIAI

AI that audits AI — catching hallucinations before you ship them.

Agent infrastructureAI output validation and hallucination detectionY CombinatorS23Activechecked 2026-08-23
EpsillaAI

All-in-one platform to create AI agents with your private knowledge

Agent infrastructureAI agent platform with knowledge integrationY CombinatorS23Activechecked 2026-08-23
InconvoAI

Build chat-with-data agents for customer-facing applications

Agent infrastructureAgent orchestration for data accessY CombinatorS23Activechecked 2026-08-23
kapa.aiAI

The fastest way to build AI assistants on technical content

Agent infrastructureAI assistant infrastructure for technical supportY CombinatorS23Activechecked 2026-08-23
MindedAI

Cursor for AI Agents

Agent infrastructureAI agent development and orchestrationY CombinatorS23Activechecked 2026-08-23
MorphAI

Fast Models Optimized for Coding Agents

Agent infrastructureModel serving for coding agentsY CombinatorS23Activechecked 2026-08-23
OpenToolsAI

The API for LLM tool use

Agent infrastructureLLM tool integration APIY 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
SolaAI

Copilot for Robotic Process Automation

Agent infrastructureRPA and workflow automation infrastructureY CombinatorS23Active, new domain2026-08-23
Spine AIAI

Manage a swarm of AI agents to get real work done

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

orchestrate your coding agents with sudocode

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

AI enabled RPA using ChatGPT and computer vision

Agent infrastructureRPA automation platform with LLMY CombinatorW23Activechecked 2026-08-23
Credal.aiAI

The Control Plane for Enterprise Agents

Agent infrastructureEnterprise agent governance and deploymentY CombinatorW23Activechecked 2026-08-23
InkeepAI

Build AI Agent teammates and automations in code or no-code

Agent infrastructureAgent platform and orchestrationY CombinatorW23Activechecked 2026-08-23
LiteLLMAI

Call every LLM API like it's OpenAI [100+ LLMs]

Agent infrastructureLLM API gateway and standardizationY CombinatorW23Activechecked 2026-08-23
RelaceAI

Models and infra for coding agents

Agent infrastructureCoding agent infrastructure and optimizationY CombinatorW23Activechecked 2026-08-23
Rivet

Rivet Actors are the primitive for stateful workloads

Agent infrastructureActor model for stateful workloadsY CombinatorW23Activechecked 2026-08-23
Trigger.dev

Build and deploy fully‑managed AI agents and workflows

Agent infrastructureAI agent orchestration and execution platformY CombinatorW23Activechecked 2026-08-23
100xAI

Create, Share, and Monetize AI Agents

Agent infrastructureAI agent creation and deployment platformY CombinatorS22Activechecked 2026-08-23
FirecrawlAI

The API to search, scrape, and interact with the web at scale. 🔥

Agent infrastructureWeb data extraction for AI agentsY CombinatorS22Activechecked 2026-08-23
Instant

The best backend for AI-coded apps

Agent infrastructureBackend infrastructure for AI appsY CombinatorS22Activechecked 2026-08-23
IntunedAI

Code-first scrapers and RPAs — built and maintained by AI

Agent infrastructureAI-powered browser automation infrastructureY CombinatorS22Activechecked 2026-08-23
InvofoxAI

Invofox is the document parsing and data extraction API for software…

Agent infrastructureDocument processing AI infrastructureY CombinatorS22Activechecked 2026-08-23
Maya LabsAI

Building self-programming machines

Agent infrastructureSelf-programming autonomous systemsY CombinatorS22Activechecked 2026-08-23
MidplaneAI

The safety layer between AI agents and your database

Agent infrastructureAI agent database safety and governanceY CombinatorS22Activechecked 2026-08-23
MistleAI

Open source background agents

Agent infrastructurebackground agent orchestration platformY CombinatorS22Activechecked 2026-08-23
BeamAI

AI-Native Cloud Platform

Agent infrastructureAI inference and sandbox platformY CombinatorW22Activechecked 2026-08-23
BotCity

Observability and Governance for AI-Generated Python scripts.

Agent infrastructureAI script orchestration and governanceY CombinatorW22Activechecked 2026-08-23
CoteraAI

The fastest way to build an AI agent

Agent infrastructureAI agent platform and workflow builderY CombinatorW22Activechecked 2026-08-23
Query VaryAI

No-Code LLM Application / Workflow Builder

Agent infrastructureNo-code LLM workflow orchestrationY CombinatorW22Site unreachablechecked 2026-08-17
RallyAI

Agentic User Research Infrastructure

Agent infrastructureagentic user research operationsY CombinatorW22Activechecked 2026-08-23
Stably AI (Orca)AI

We make Orca, MIT open source terminal-based agent orchestrator

Agent infrastructureAgent orchestration and controlY CombinatorW22Activechecked 2026-08-23
UnlayerAI

AI-powered content creation infrastructure for apps

Agent infrastructureAI content creation infrastructureY CombinatorW22Activechecked 2026-08-23
VeltAI

SDK for adding an agent and human governance layer to your product

Agent infrastructureagent governance and review infrastructureY CombinatorW22Activechecked 2026-08-23
Workflow86AI

Agentic workflows for complex, long running business operations

Agent infrastructureagentic workflow orchestration platformY CombinatorW22Activechecked 2026-08-23
ContraForceAI

Security Delivery Platform to orchestrate AI agents for Service…

Agent infrastructureAI agent orchestration for securityY CombinatorS21Activechecked 2026-08-23
DailybotAI

Make all team work visible — people and AI agents

Agent infrastructureAI agent coordination and visibilityY CombinatorS21Activechecked 2026-08-23
HyperbrowserAI

Web infra for AI agents

Agent infrastructureBrowser automation for AI agentsY CombinatorS21Activechecked 2026-08-23
MiniloopAI

AI workflow engine for reliable systems

Agent infrastructureAI workflow orchestration platformY CombinatorS21Activechecked 2026-08-23
OpenlayerAI

The fastest way to ship airtight AI

Agent infrastructureAI governance and quality platformY CombinatorS21Activechecked 2026-08-23
TavusAI

Building the human layer of AI

Agent infrastructureHuman avatar and conversational AI infrastructureY CombinatorS21Activechecked 2026-08-23
Zaz OSAI

Lovable for internal products

Agent infrastructureLow-code agent platform for enterprisesY CombinatorS21Activechecked 2026-08-23
authzed

Authorization Infrastructure securing AI at OpenAI, Zoom, & more

Agent infrastructureAuthorization and access control infrastructureY CombinatorW21Activechecked 2026-08-23
Axiom.ai

No-code Browser RPA

Agent infrastructurebrowser automation and RPA toolingY CombinatorW21Activechecked 2026-08-23
VapiAI

Voice AI for developers.

Agent infrastructureVoice AI infrastructure for developersY CombinatorW21Activechecked 2026-08-23