YC companies
1,309 companies771 AI177 data1,309 devtools193 acquired183 inactive
Kestrel AIF25AI Agents for Platform EngineeringActive2
LemmaF25Production Monitoring for AI agentsActive2
LocusF25Payment infrastructure for AI agentsActive2
Lua Global IncF25The mid-market agent platformActive5
MinroF25Identify churn risk and stay close to users at scaleActive2
MossF25Real-time semantic search for Conversational AIActive5
MOVEdotF25AI Agents for Hardware EngineeringActive10
MSPilotF25Turn AI adoption into a recurring revenue line.Active3
NexusF25We help non-technical teams build AI agents without engineersActive2
ParseF25Build an API to interact with any website.Active4
PerseusF25Applied Lab focused on Search in Latent Spaces.Active4
RadiusF25Code and browse in the same placeActive2
RivetF25Explore dozens of design directions with your agentActive
RovrF25AI FDE Engine that runs your engineering workflowsInactive3
s2.devF25API for unlimited, durable, real-time streamsActive5
SciloopF25Expert STEM reasoning data for frontier AI labs.Active6
Scott AIF25The planning layer for teams that build with coding agentsActive3
SF TensorF25Infrastructure for AI labs to focus on research.Active6
SourcebotF25Helping humans and AI agents understand massive codebasesActive3
SpecificF25The cloud platform built for coding agentsActive2
The Context CompanyF25Find what's losing you customers and money in your AI agent and fix itActive2
The HogF25Real-time web intelligence API for AI agents and GTM teamsActive2
Unsiloed AIF25API for parsing multimodal unstructured dataActive2
AgentMailS25Email Inboxes for AI AgentsActive10
AlterS25Secure access control and authorization platform for agent workflowsActive2
argsS25A better GItHubActive2
AutosanaS25AI agents for E2E testing across mobile & webActive5
AutumnS25Billing infrastructure for AIActive5
BootLoopS25Firmware in minutes, not months - rigorously tested on real hardwareActive3
Cactus ComputeS25Automation Foundation Models For Tiny DevicesActive8
CharS25The AI notepad that knows and works for youActive3
CyberdeskS25Self learning computer use agent for developersActive2
DatafruitS25The AI workspace for software implementationsActive2
Dedalus LabsS25Compute substrate for AI agentsActive10
EmbedderS25The Enterprise AI Platform for Embedded SoftwareActive6
EpicenterS25ChatGPT's memory feature in an open, portable formatActive1
F2S25The AI platform for private markets investorsActive15
FlootS25The app platform inside Claude and ChatGPT.Active4
FulcrumS25The agentic debugger for AI systemsActive2
idlerS25Hill-climb any benchmark, for any model, in any domain.Active12
InterfereS25Give engineering, product, and design teams insight into unseen issuesActive8
IronLedger.aiS25AI-enabled Corporate Cards and Invoice Processing for Real EstateActive
KERNELS25Crazy fast, open source infra for AI agents to use the InternetActive22
LarkS25The E2E testing layer for AI-driven developmentActive5
LilacS25We sell GPUs.Active4
LLM StatsS25Independent AI evaluations labActive2
LocataS25AI Referral Automation for Primary Care ClinicsActive4
LotasS25AI for quantitative tradingActive2
LuminalS25Making AI run fast on any hardware.Active7
MagneticS25AI Tax Preparer for CPA firmsActive10
MagnitudeS25Open source inference server for local modelsActive2
ManufactS25Cloud infrastructure for MCP servers and Claude / ChatGPT plugins.Active5
ModelenceS25Production infrastructure on autopilotActive3
MonteS25Continual Learning for AgentsActive3
NotteS25Reliable Web Agents for EnterpriseActive5
NozomioS25product lab. focused on personal ai and context.Active3
NuntiusS25Making Models Follow Rules.Inactive2
OkibiS25Turns products into CLIs and agents into customersActive2
OmnaraS25The Open-Source Alternative to Claude Managed AgentsActive4
Orange SliceS25Agentic sales enrichment spreadsheetActive2
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