Top accelerator startups

Startups14,448Programs29

14,448 startups · 29 programs

YC Infrastructure

204 companies · 191 active · 69% AI · most in F26 (25)

Companies tagged Infrastructure

AIMemorablereducing agent reasoning into a graph search problemYC S27San FranciscoStartup →Developer toolsAviernUnmanned cargo airplanesYC F26Los AngelesStartup →AICavemanCaveman cuts what AI agents cost without making them dumber.YC F26AmsterdamStartup →AIDatabuddyAI Data Analyst for fast-growing teamsYC F26San FranciscoStartup →AIDreamscale LabsReal-time cloud inference for robotics.YC F26San FranciscoStartup →AIGrayPassVerify the expected person is still in control before sensitive…YC F26TorontoStartup →AIHopperFast, open-source inference for voiceYC F26San FranciscoStartup →AIHueTest agents in realistic worlds built from production usageYC F26San FranciscoStartup →AIInvertixAI that operates power plantsYC F26MunichStartup →AILimnionTelemetry storage for the agentic era.YC F26SeattleStartup →AIMaritimeThe managed cloud for AI agents.YC F26San FranciscoStartup →AIMunito AIOpen-model inference provider for Europe, private by default.YC F26ParisStartup →AIOpenLake TechnologiesOpenLake deploys, trains, and serves models that update in real time.YC F26San FranciscoStartup →AIReificRL environments for superhuman reasoning over timeYC F26San FranciscoStartup →AIRightNowCo-designing the fastest intelligenceYC F26San FranciscoStartup →AIRuntime.siRobots that think in simulationYC F26San FranciscoStartup →Developer toolsRyhlaFaster power grid connection for your projectsYC F26San FranciscoStartup →AISimulithicAI users that test your app on every device and browserYC F26San FranciscoStartup →AISona8Voice agents survey employees to map, improve & automate workflowsYC F26San FranciscoStartup →AIStacktraceSee and control what your agents actually doYC F26San FranciscoStartup →AISuperserveVirtual machines for long-running agentsYC F26San FranciscoStartup →AITerseDurable state for AI agentsYC F26New York CityStartup →AITilionSuper fast, unblockable browser infra for agentsYC F26San FranciscoStartup →AITiloThe Microsoft of the AI era: the operating system for AI agents.YC F26San FranciscoStartup →AIWondersearchInstant semantic search over your data without embeddings.YC F26San FranciscoStartup →AIWorkers IOSimulation environments for verifying mission-critical softwareYC F26San FranciscoStartup →Developer toolsAgency Tool CompanyReliable infrastructure to build, deploy and manage real-world robots.YC S26DenverStartup →AIArchalAPI sandboxes, built for AI agentsYC S26San FranciscoStartup →AIAutoresearch, Inc.Autoresearch as a service: we solve your hardest measurable problemsYC S26San FranciscoStartup →AICautionHosting platform for software you can't afford to have hackedYC S26George TownStartup →AIClickManaged Agents APIYC S26San FranciscoStartup →AIDecaworkTraining company-specific models that approve AI actions.YC S26San FranciscoStartup →AIExperiential LabsOpen source AI gateway that turns your traffic into better modelsYC S26San FranciscoStartup →AIInkboxThe identity and communication layer for AI agentsYC S26San FranciscoStartup →AILuca IQAPI-first tax engine for CPA firms and developersYC S26San FranciscoStartup →AIOneTrianglePrefill optimizations for the fastest inferenceYC S26San FranciscoStartup →AIOpenVectorAI that turns any camera to an autonomous worker with real-time visionYC S26San FranciscoStartup →AIOperonAgentic data layer for manufacturing & process industries.YC S26San FranciscoStartup →AIRiftenEarned intelligence. An independent AI research lab.YC S26San FranciscoStartup →AIRindlerThe IDE for TokenmaxxersYC S26BostonStartup →Developer toolsShieldedWe help Fortune 500 companies hedge their supply chain riskYC S26San FranciscoStartup →AIStoaThe market behind AI hardware.YC S26San FranciscoStartup →AISubVysionAutonomous rovers to make the ‘Google Maps’ of underground utilitiesYC S26San FranciscoStartup →AITouchmarkMarket for future inference capacityYC S26San FranciscoStartup →Developer toolsHarlowA wearable that runs luxury hospitality operations.EF 2026San FranciscoStartup →AIMybots.proMyBots is a platform that builds AI agents for sales, lead qualification, and customer support, 24/7, without adding headcount.500 Global 2026United StatesStartup →AIBayMachinesAir-gapped compute for defense contractorsYC X26San FranciscoStartup →AIdecuffUncensored AI models, served at scale with zero data retention.YC X26San FranciscoStartup →AIExpanseUnlock wasted GPU capacity.YC X26LondonStartup →AIHubReal-world training data for frontier AI labs and robotics.YC X26San FranciscoStartup →AIInstaBoxCloud computers for AI agentsYC X26San FranciscoStartup →AIUno WalletThe AI mobile wallet that replaces Apple PayYC X26San FranciscoStartup →AIBidflowAI Takeoffs for ElectricalYC W26New York CityStartup →AICaptainSelf-tuning search for products and filesYC W26San FranciscoStartup →Developer toolsFernRL environments for robotics companiesYC W26Startup →AIOvershootWe optimize inference stacks for teamsYC W26San FranciscoStartup →AIPiris LabsThe Networking Layer of AIYC W26San FranciscoStartup →AIRunAnywhereFastest inference anywhere: open models on-prem, hosted or on-deviceYC W26San FranciscoStartup →AISalusGuardrails to validate your agent's actions before they executeYC W26San FranciscoStartup →AIShofoThe World's Largest Video LibraryYC W26San FranciscoStartup →AIAmikaTurn any spare computer into agent devboxes or CI runnersYC F25New York CityStartup →AIBolna AIVoice AI to enable India's next billionYC F25BengaluruStartup →AIKestrel AIAI Agents for Platform EngineeringYC F25San FranciscoStartup →AILemmaProduction Monitoring for AI agentsYC F25San FranciscoStartup →AIMSPilotTurn AI adoption into a recurring revenue line.YC F25San FranciscoStartup →AIs2.devAPI for unlimited, durable, real-time streamsYC F25San FranciscoStartup →AIUnsiloed AIAPI for parsing multimodal unstructured dataYC F25San FranciscoStartup →AIDedalus LabsPersistent computers for AI agentsYC S25San FranciscoStartup →AIKERNELCrazy fast, open source infra for AI agents to use the InternetYC S25San FranciscoStartup →AILilacWe sell GPUs.YC S25San FranciscoStartup →AILLM StatsIndependent AI evaluations labYC S25New York CityStartup →AIMagnitudeRun open models as fast as your hardware allowsYC S25San FranciscoStartup →AIManufactCloud infrastructure for MCP servers and Claude / ChatGPT plugins.YC S25San FranciscoStartup →Developer toolsModelenceProduction infrastructure on autopilotYC S25San FranciscoStartup →AIMonteSpecialized Models for AgentsYC S25San FranciscoStartup →AIPanoptiveAgent systems for clinical development workYC S25San FranciscoStartup →AIPlaygentSandboxes for AI agentsYC S25San FranciscoStartup →AITraceRoot.AIThe open-source platform that continuously improves your ai agentsYC S25San FranciscoStartup →AIDollhouseInteractive AI showsSPC 2025San FranciscoStartup →AIFlamecastThe gateway for AI agentsSPC 2025San FranciscoStartup →AIMaxinsightsTraining data for physical AISPC 2025San FranciscoStartup →Developer toolsPreference ModelReinforcement learning environmentsSPC 2025San FranciscoStartup →Developer toolsVmaxAutomating reinforcement learningSPC 2025San FranciscoStartup →AIAttuneFaster builds, zero effort.YC X25San FranciscoStartup →AIAcquiredBlaxelThe infrastructure for autonomous agentsYC X25San FranciscoStartup →AIBoost RoboticsRobots for the inspection and maintenance of data centersYC X25BostonStartup →AIGolfAgentic AI Security and GovernanceYC X25San FranciscoStartup →AIHelixDBThe fastest & most scalable graph-vector database on the marketYC X25LondonStartup →AINaïveAutonomous Company InfrastructureYC X25San FranciscoStartup →DataParaQueryManaged GPU-accelerated Spark + SQL at 2x speed and half the costYC X25New York CityStartup →Developer toolsPrismAbundant Intelligence for EveryoneYC X25San FranciscoStartup →AISixtyfourIntelligence Infrastructure on People and EntitiesYC X25San FranciscoStartup →AI.WaveInference for real-time AIYC W25ParisStartup →AIDextoAWS for AI AgentsYC W25San FranciscoStartup →AIExlaBuilding agents that reads logs and fixes issues on your behalf.YC W25San FranciscoStartup →AILiquid ComputePending CFTC regulation to be the first cash and physically settled…YC W25New York CityStartup →AIOsmosisReinforcement Learning (RL) for AI AgentsYC W25San FranciscoStartup →DataReJotWe turn complex API integrations into drop‑in full‑stack librariesYC W25AmsterdamStartup →AIInactiveSublingualDaily productivity trackerYC W25San FranciscoStartup →AIArchilThe high-performance file system that connects AI to dataYC F24San FranciscoStartup →
Company
Memorablereducing agent reasoning into a graph search problemteam of 2YC S27ActiveAI, Devtools
AviernUnmanned cargo airplanesteam of 4YC F26ActiveDevtools
CavemanCaveman cuts what AI agents cost without making them dumber.YC F26ActiveAI, Devtools
DatabuddyAI Data Analyst for fast-growing teamsYC F26ActiveAI, Data, Devtools
Dreamscale LabsReal-time cloud inference for robotics.team of 4YC F26ActiveAI, Devtools
GrayPassVerify the expected person is still in control before sensitive…team of 2YC F26ActiveAI, Devtools
HopperFast, open-source inference for voiceteam of 2YC F26ActiveAI, Devtools
HueTest agents in realistic worlds built from production usageteam of 2YC F26ActiveAI, Devtools
InvertixAI that operates power plantsteam of 8YC F26ActiveAI, Devtools
LimnionTelemetry storage for the agentic era.team of 3YC F26ActiveAI, Data, Devtools
MaritimeThe managed cloud for AI agents.team of 3YC F26ActiveAI, Devtools
Munito AIOpen-model inference provider for Europe, private by default.YC F26ActiveAI, Devtools
OpenLake TechnologiesOpenLake deploys, trains, and serves models that update in real time.team of 2YC F26ActiveAI, Data, Devtools
ReificRL environments for superhuman reasoning over timeYC F26ActiveAI, Devtools
RightNowCo-designing the fastest intelligenceteam of 2YC F26ActiveAI, Devtools
Runtime.siRobots that think in simulationteam of 5hiringYC F26ActiveAI, Devtools
RyhlaFaster power grid connection for your projectsteam of 2YC F26ActiveDevtools
SimulithicAI users that test your app on every device and browserteam of 2YC F26ActiveAI, Devtools
Sona8Voice agents survey employees to map, improve & automate workflowsteam of 5YC F26ActiveAI, Devtools
StacktraceSee and control what your agents actually doteam of 3YC F26ActiveAI, Devtools
SuperserveVirtual machines for long-running agentsteam of 3YC F26ActiveAI, Devtools
TerseDurable state for AI agentsteam of 2YC F26ActiveAI, Devtools
TilionSuper fast, unblockable browser infra for agentsteam of 4YC F26ActiveAI, Devtools
TiloThe Microsoft of the AI era: the operating system for AI agents.team of 2YC F26ActiveAI, Devtools
WondersearchInstant semantic search over your data without embeddings.team of 2YC F26ActiveAI, Devtools
Workers IOSimulation environments for verifying mission-critical softwareteam of 2hiringYC F26ActiveAI, Devtools
Agency Tool CompanyReliable infrastructure to build, deploy and manage real-world robots.team of 3YC S26ActiveDevtools
ArchalAPI sandboxes, built for AI agentsteam of 2YC S26ActiveAI, Devtools
Autoresearch, Inc.Autoresearch as a service: we solve your hardest measurable problemsteam of 3YC S26ActiveAI, Devtools
CautionHosting platform for software you can't afford to have hackedteam of 5YC S26ActiveAI, Devtools
ClickManaged Agents APIYC S26ActiveAI, Devtools
DecaworkTraining company-specific models that approve AI actions.2 programsteam of 2YC S26 +1ActiveAI, Devtools
Experiential LabsOpen source AI gateway that turns your traffic into better modelsteam of 2YC S26ActiveAI, Devtools
InkboxThe identity and communication layer for AI agentsteam of 3YC S26ActiveAI, Devtools
Luca IQAPI-first tax engine for CPA firms and developersteam of 5hiringYC S26ActiveAI, Devtools
OneTrianglePrefill optimizations for the fastest inferenceteam of 4YC S26ActiveAI, Devtools
OpenVectorAI that turns any camera to an autonomous worker with real-time visionteam of 4YC S26ActiveAI, Devtools
OperonAgentic data layer for manufacturing & process industries.hiringYC S26ActiveAI, Devtools
RiftenEarned intelligence. An independent AI research lab.team of 5YC S26ActiveAI, Devtools
RindlerThe IDE for Tokenmaxxersteam of 2YC S26ActiveAI, Devtools
ShieldedWe help Fortune 500 companies hedge their supply chain riskYC S26ActiveDevtools
StoaThe market behind AI hardware.team of 3hiringYC S26ActiveAI, Devtools
SubVysionAutonomous rovers to make the ‘Google Maps’ of underground utilitiesteam of 2YC S26ActiveAI, Devtools
TouchmarkMarket for future inference capacityteam of 2YC S26ActiveAI, Devtools
HarlowA wearable that runs luxury hospitality operations.EF 2026Not statedDevtools
Mybots.proMyBots is a platform that builds AI agents for sales, lead qualification, and customer support, 24/7, without adding headcount.500 Global 2026Not statedAI, Devtools
BayMachinesAir-gapped compute for defense contractorsteam of 7YC X26ActiveAI, Devtools
decuffUncensored AI models, served at scale with zero data retention.YC X26ActiveAI, Devtools
ExpanseUnlock wasted GPU capacity.team of 4YC X26ActiveAI, Devtools
HubReal-world training data for frontier AI labs and robotics.team of 60hiringYC X26ActiveAI, Data, Devtools
InstaBoxCloud computers for AI agentsteam of 6YC X26ActiveAI, Devtools
Uno WalletThe AI mobile wallet that replaces Apple Payteam of 2hiringYC X26ActiveAI, Devtools
BidflowAI Takeoffs for Electricalteam of 2YC W26ActiveAI, Devtools
CaptainSelf-tuning search for products and filesteam of 2YC W26ActiveAI, Data, Devtools
FernRL environments for robotics companiesteam of 2YC W26ActiveDevtools
OvershootWe optimize inference stacks for teamsteam of 5YC W26ActiveAI, Devtools
Piris LabsThe Networking Layer of AIteam of 8hiringYC W26ActiveAI, Devtools
RunAnywhereFastest inference anywhere: open models on-prem, hosted or on-deviceteam of 5hiringYC W26ActiveAI, Devtools
SalusGuardrails to validate your agent's actions before they executeteam of 2hiringYC W26ActiveAI, Devtools
ShofoThe World's Largest Video Libraryteam of 4YC W26ActiveAI, Data, Devtools
AmikaTurn any spare computer into agent devboxes or CI runnersteam of 2YC F25ActiveAI, Devtools
Bolna AIVoice AI to enable India's next billionteam of 21hiringYC F25ActiveAI, Devtools
Kestrel AIAI Agents for Platform Engineeringteam of 2YC F25ActiveAI, Devtools
LemmaProduction Monitoring for AI agentsteam of 2hiringYC F25ActiveAI, Data, Devtools
MSPilotTurn AI adoption into a recurring revenue line.team of 3hiringYC F25ActiveAI, Devtools
s2.devAPI for unlimited, durable, real-time streamsteam of 5YC F25ActiveAI, Data, Devtools
Unsiloed AIAPI for parsing multimodal unstructured datateam of 2hiringYC F25ActiveAI, Devtools
Dedalus LabsPersistent computers for AI agentsteam of 8hiringYC S25ActiveAI, Devtools
KERNELCrazy fast, open source infra for AI agents to use the Internetteam of 22YC S25ActiveAI, Devtools
LilacWe sell GPUs.team of 4YC S25ActiveAI, Devtools
LLM StatsIndependent AI evaluations labteam of 2YC S25ActiveAI, Devtools
MagnitudeRun open models as fast as your hardware allowsteam of 2YC S25ActiveAI, Devtools
ManufactCloud infrastructure for MCP servers and Claude / ChatGPT plugins.team of 5hiringYC S25ActiveAI, Devtools
ModelenceProduction infrastructure on autopilotteam of 3YC S25ActiveDevtools
MonteSpecialized Models for Agentsteam of 2YC S25ActiveAI, Devtools
PanoptiveAgent systems for clinical development workteam of 2YC S25ActiveAI, Devtools
PlaygentSandboxes for AI agentsteam of 2YC S25ActiveAI, Devtools
TraceRoot.AIThe open-source platform that continuously improves your ai agentsteam of 4hiringYC S25ActiveAI, Devtools
DollhouseInteractive AI showsSPC 2025Not statedAI, Devtools
FlamecastThe gateway for AI agentsSPC 2025Not statedAI, Devtools
MaxinsightsTraining data for physical AISPC 2025Not statedAI, Devtools
Preference ModelReinforcement learning environmentsSPC 2025Not statedDevtools
VmaxAutomating reinforcement learningSPC 2025Not statedDevtools
AttuneFaster builds, zero effort.team of 3hiringYC X25ActiveAI, Devtools
BlaxelThe infrastructure for autonomous agentsteam of 12acquiredYC X25AcquiredAI, Devtools
Boost RoboticsRobots for the inspection and maintenance of data centersteam of 2YC X25ActiveAI, Devtools
GolfAgentic AI Security and GovernanceYC X25ActiveAI, Devtools
HelixDBThe fastest & most scalable graph-vector database on the marketteam of 6YC X25ActiveAI, Data, Devtools
NaïveAutonomous Company Infrastructureteam of 12on 4 Glyph sourcesYC X25ActiveAI, Devtools
ParaQueryManaged GPU-accelerated Spark + SQL at 2x speed and half the costYC X25ActiveData, Devtools
PrismAbundant Intelligence for Everyoneteam of 2YC X25ActiveDevtools
SixtyfourIntelligence Infrastructure on People and Entitiesteam of 12hiringYC X25ActiveAI, Devtools
.WaveInference for real-time AIteam of 2YC W25ActiveAI, Devtools
DextoAWS for AI Agentsteam of 2YC W25ActiveAI, Devtools
ExlaBuilding agents that reads logs and fixes issues on your behalf.team of 2YC W25ActiveAI, Devtools
Liquid ComputePending CFTC regulation to be the first cash and physically settled…team of 5hiringYC W25ActiveAI, Devtools
OsmosisReinforcement Learning (RL) for AI Agentsteam of 6hiringYC W25ActiveAI, Devtools
ReJotWe turn complex API integrations into drop‑in full‑stack librariesteam of 2YC W25ActiveData, Devtools
SublingualDaily productivity trackerteam of 2YC W25InactiveAI, Devtools
ArchilThe high-performance file system that connects AI to datateam of 11YC F24ActiveAI, Data, Devtools

About Infrastructure

Companies per batch

Infrastructure companies per YC batch
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Nearby spaces: Developer Tools 72, Open Source 22, Cloud Computing 18, API 18, Fintech 13, Machine Learning 11, Generative AI 9, Robotics 8, Databases 7, Reinforcement Learning 7