YC companies
1,309 companies771 AI177 data1,309 devtools193 acquired183 inactive
AemonW26The Forward-Deployed AI Research EngineerActive3
AnchorheadW26Evals for frontier research agentsActive1
ApproximaW26Your software should build itself.Active2
ARC Prize FoundationW26AI benchmarks that measure general intelligence and inspire new ideasActive4
Aurorin CADW26Claude code for Mechanical EngineersActive1
Autumn AIW26Everything on anyone.Active2
BidflowW26AI Takeoffs for ElectricalActive2
CanaryW26Adversarial AI that breaks your AIActive2
CaptainW26Self-tuning file search for AI agentsActive2
CascadeW26Distilling Proprietary IntelligenceActive2
ChamberW26The AIOps Agent for ML TeamsActive4
CompresrW26LLM context compression for better accuracyActive3
CorelayerW26AI production engineer for regulated industriesActive3
Crosslayer LabsW26Protect, monitor and defend your Internet presenceActive3
Cumulus LabsW26The Fastest Multimodal Inference OSActive2
DiditW26Infrastructure for identity and fraud.Active16
EmdashW26Open-source Agentic Development EnvironmentActive2
End CloseW26AI powered reconciliation for high-volume payments companiesActive2
EnvariantW26Interpretability and reasoning infra for foundation models.Active1
FernW26RL environments for robotics companiesActive2
IncidentFoxW26AI SRE agent that triages, coordinates, and fixes production incidentsActive2
Klaus AIW26Fast and Safe OpenClaw on the cloudActive2
MavenW26Payments Infrastructure for Conversational AgentsActive2
MendralW26AI DevOps EngineerInactive2
ModaW26Harness Engineering Infrastructure that developers love.Active6
OpenSpecW26Plan mode for complex featuresActive
OrthogonalW26Agentic Payments for APIsActive2
OssusW26Intelligence for cultural institutionsActive3
OvershootW26AI Infra for real-time vision applicationsActive5
Piris LabsW26The Networking Layer of AIActive8
Quotient LabsW26Use Claude Code at 47% less cost in one line of installation.Active2
REV1W26Claude Code for Mechanical EngineersActive2
Rhizome AIW26Agent Platform for Life SciencesActive1
RunAnywhereW26Fastest inference anywhere: open models on-prem, hosted or on-deviceActive5
SalusW26Guardrails to validate your agent's actions before they executeActive2
ShofoW26The World's Largest Video LibraryActive4
shortkitW26Media infra for consumer appsActive2
SkillsyncW26Notion for AI chatsActive2
SparklesW26Make everyone on your team an engineerActive1
Synthetic SciencesW26Infrastructure for Autonomous ScienceActive2
UnifoldW26Multi-chain deposit and payment infrastructureActive3
ValenceW26Unified prediction markets trading platformActive3
Visibl SemiconductorsW26Custom silicon for power electronicsActive3
VOYGRW26Real-world place intelligence for AI apps and agentsActive
ZatannaW26Turning all software into agent-first APIsActive2
ZeroSettleW26Drop-in Direct Billing SDK for In-App PurchasesActive2
AmikaF25Infra to build your own software factoryActive2
AntigenF25Continuous offensive security for the enterprise.Active5
Bolna AIF25Voice AI to enable India's next billionActive21
BrickantaF25Agentic AI for Society BuildersActive25
CaddyF25Your Personal AI for everyday work. Lives in your texts.Active5
CoastsF25Localhost service isolation and orchestration for git worktreesInactive2
CompyleF25The coding agent that actually collaborates with youActive2
dari.devF25The Routing Layer for AI AgentsActive2
DomeF25A unified API for prediction markets, like Kalshi and PolymarketInactive2
Expected ParrotF25Simulate your customers with AI agentsActive5
FastshotF25Lovable for mobile appsActive3
hillclimbF25Training Data for Recursive Self-ImprovementActive4
HypercubicF25Agentic AI for Mainframe Operations and ModernizationActive3
HyperspellF25Your Company BrainActive8
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