Top accelerator startups

Startups14,448Programs29

14,448 startups · 29 programs

Every startup, ranked by public signals

702 companies · 448 AI, 702 data, 203 devtools

AIHubReal-world training data for frontier AI labs and robotics.YC X26San FranciscoStartup →AIPerit.AIExpert-collected voice, egocentric and RL training data for frontier…YC F26San FranciscoStartup →AIUplaneReplace marketing agencies with AIYC F25San FranciscoStartup →AIBioStack PlatformsReal world training envs for healthcare AI modelsYC X26San FranciscoStartup →AIAcquiredOnyxOpen Source AI ChatYC W24San FranciscoStartup →AIEpsilabLong horizon RL environments from real-life dataYC F26San FranciscoStartup →AICorveraThe AI sales agent for CPG brandsYC W26San FranciscoStartup →AIHyperspellYour Company BrainYC F25San FranciscoStartup →AIAgnost AIWe find where AI agents fail, then train better models to run them.YC S26San FranciscoStartup →AISynphonyrobots & software for farmsYC X26San FranciscoStartup →AIVulcan TechnologiesSecure frontier AI for government & adjacent knowledge workYC S25AustinStartup →AIWeaveAI to understand and then route engineering workYC W25San FranciscoStartup →AIAmborasAI Native ShopifyYC X26San FranciscoStartup →AIArdentDatabase sandboxes for AgentsYC X26San FranciscoStartup →AICedalioAI agents that automate AP, procurement, and financeYC S23San FranciscoStartup →AIDiligenceSquaredAI-powered market due diligence for investment decisionsYC F25New York CityStartup →AIFleetlineOptimizing fleet planning with data driven algorithmsYC S25New York CityStartup →AIHillStarAgents to help utilities make better buying decisions.YC F26San FranciscoStartup →AILATOPredict how market participants behaveYC S26San FranciscoStartup →DataLaurenceQuantitative research for autonomous e-commerce growthYC W26New York CityStartup →AISitefireMarketing suite for the agentic webYC W26BYStartup →DataSupabaseBuild in a weekend. Scale to millions.YC S20San FranciscoStartup →AIAfterQueryApplied research lab curating data solutions for foundation model…YC W25San FranciscoStartup →AIObsessionDBReal-time data warehouse for agentsYC F26San FranciscoStartup →AIZavoUnlocking the world’s most valuable data for frontier AI.YC F25LondonStartup →AIOnDeck AIAnalyze any footage, without training a modelYC S25VancouverStartup →AILinewiseIndustrial data layer for physical RSIYC X25San FranciscoStartup →AILitmusEvals for humansYC S26San FranciscoStartup →AIHarborAI-native CRO for clinical trial operationsYC X26San FranciscoStartup →AINetterAI agents for data science (enterprise)YC X26ParisStartup →AIPLAN0 AIConstruction Cost Intelligence.YC X26Startup →AIConstellation SpaceAI operating system for mega-scale satellite networks.YC W26SeattleStartup →AIPranaAn AI primary care doctor in your pocketYC W26San FranciscoStartup →AIShofoThe World's Largest Video LibraryYC W26San FranciscoStartup →AIConveoGrowth through always‑on consumer understandingYC S24LondonStartup →AIAutumnBilling infrastructure for AIYC S25LondonStartup →AILemmaProduction Monitoring for AI agentsYC F25San FranciscoStartup →AIBesimple AIVoice data for AIYC X25San FranciscoStartup →AIAtlasGridAccelerate Product IterationYC F25San FranciscoStartup →AISciloopExpert STEM reasoning data for frontier AI labs.YC F25San FranciscoStartup →DataFivetranThe leader in automated data movementYC W13San FranciscoStartup →AIDeepAware AI (Robotics Center of Silicon Valley)Robots, parts & RL envs & evals - delivered in 48 hrs / pickup in SF.YC S25San FranciscoStartup →AINovaflowThe AI data analyst for biology labsYC S25San FranciscoStartup →AIAlkera AIReliable and safe data engineering and data science agentsYC F26San FranciscoStartup →AIAxiomatWe make AI that never hallucinates.YC F26San FranciscoStartup →AILimnionTelemetry storage for the agentic era.YC F26SeattleStartup →AICueBenchRL post-training for science reasoning and performance engineeringYC S26San FranciscoStartup →AIPetrarchAdvancing model capabilities for critical infrastructureYC S26San FranciscoStartup →AIMenzaThe AI data analyst for consumer brandsYC W26LondonStartup →AITensorTestEvals, RL environments and training data for creative tasksYC W26San FranciscoStartup →AICrunchedExcel AI analyst for Power UsersYC F25OsloStartup →AIs2.devAPI for unlimited, durable, real-time streamsYC F25San FranciscoStartup →AIPreseenThe AI forecasting company for global macro events.YC S25San FranciscoStartup →AIAcquiredSepal AIData Development for Advanced AIYC S24San FranciscoStartup →DataParseBuild an API to interact with any website.YC F25San FranciscoStartup →AIAcquiredLangfuseOpen source LLM engineering platformYC W23BerlinStartup →AINitrodeFrontier AI research to advance game developmentYC W25San FranciscoStartup →AIAxonnicBringing human dexterity to every robotYC F26San FranciscoStartup →AIKailash LabsA factory for small and specialized video reasoning modelsYC F26BengaluruStartup →AILyonFoundation models on enterprise transaction data.YC F26San FranciscoStartup →
Company
HubReal-world training data for frontier AI labs and robotics.team of 60hiringYC X26ActiveAI, Data, Devtools
Perit.AIExpert-collected voice, egocentric and RL training data for frontier…team of 47YC F26ActiveAI, Data
UplaneReplace marketing agencies with AIteam of 26hiringYC F25ActiveAI, Data
BioStack PlatformsReal world training envs for healthcare AI modelsteam of 11hiringYC X26ActiveAI, Data
OnyxOpen Source AI Chat32.2k starsteam of 20YC W24AcquiredAI, Data, Devtools
EpsilabLong horizon RL environments from real-life datateam of 4hiringYC F26ActiveAI, Data
CorveraThe AI sales agent for CPG brandsteam of 4hiringYC W26ActiveAI, Data
HyperspellYour Company Brainteam of 8hiringYC F25ActiveAI, Data, Devtools
Agnost AIWe find where AI agents fail, then train better models to run them.2 programsteam of 2YC S26 +1ActiveAI, Data, Devtools
Synphonyrobots & software for farmsteam of 10YC X26ActiveAI, Data
Vulcan TechnologiesSecure frontier AI for government & adjacent knowledge workteam of 17hiringYC S25ActiveAI, Data
WeaveAI to understand and then route engineering workteam of 16on 3 Glyph sourcesYC W25ActiveAI, Data, Devtools
AmborasAI Native Shopifyteam of 3hiringYC X26ActiveAI, Data, Devtools
ArdentDatabase sandboxes for Agentsteam of 3hiringYC X26ActiveAI, Data, Devtools
CedalioAI agents that automate AP, procurement, and financeteam of 62 programsYC S23 +1ActiveAI, Data
DiligenceSquaredAI-powered market due diligence for investment decisionsteam of 5hiringYC F25ActiveAI, Data
FleetlineOptimizing fleet planning with data driven algorithmsteam of 11hiringYC S25ActiveAI, Data
HillStarAgents to help utilities make better buying decisions.team of 2hiringYC F26ActiveAI, Data
LATOPredict how market participants behaveteam of 2hiringYC S26ActiveAI, Data
LaurenceQuantitative research for autonomous e-commerce growthteam of 2hiringYC W26ActiveData
SitefireMarketing suite for the agentic webteam of 2hiringYC W26ActiveAI, Data
SupabaseBuild in a weekend. Scale to millions.110.8k starsteam of 120YC S20ActiveData, Devtools
AfterQueryApplied research lab curating data solutions for foundation model…team of 30hiringYC W25ActiveAI, Data, Devtools
ObsessionDBReal-time data warehouse for agentsteam of 5YC F26ActiveAI, Data, Devtools
ZavoUnlocking the world’s most valuable data for frontier AI.team of 8YC F25ActiveAI, Data
OnDeck AIAnalyze any footage, without training a modelteam of 6hiringYC S25ActiveAI, Data
LinewiseIndustrial data layer for physical RSIteam of 25YC X25ActiveAI, Data
LitmusEvals for humansteam of 4YC S26ActiveAI, Data
HarborAI-native CRO for clinical trial operationsteam of 4YC X26ActiveAI, Data
NetterAI agents for data science (enterprise)team of 4YC X26ActiveAI, Data
PLAN0 AIConstruction Cost Intelligence.team of 4YC X26ActiveAI, Data, Devtools
Constellation SpaceAI operating system for mega-scale satellite networks.team of 4YC W26ActiveAI, Data
PranaAn AI primary care doctor in your pocketteam of 4YC W26ActiveAI, Data
ShofoThe World's Largest Video Libraryteam of 4YC W26ActiveAI, Data, Devtools
ConveoGrowth through always‑on consumer understandingteam of 90hiringYC S24ActiveAI, Data
AutumnBilling infrastructure for AIteam of 5hiringYC S25ActiveAI, Data, Devtools
LemmaProduction Monitoring for AI agentsteam of 2hiringYC F25ActiveAI, Data, Devtools
Besimple AIVoice data for AIteam of 8hiringYC X25ActiveAI, Data
AtlasGridAccelerate Product Iterationteam of 6YC F25ActiveAI, Data
SciloopExpert STEM reasoning data for frontier AI labs.team of 6YC F25ActiveAI, Data, Devtools
FivetranThe leader in automated data movementteam of 1.2k11.8k starsYC W13ActiveData, Devtools
DeepAware AI (Robotics Center of Silicon Valley)Robots, parts & RL envs & evals - delivered in 48 hrs / pickup in SF.team of 4hiringYC S25ActiveAI, Data
NovaflowThe AI data analyst for biology labsteam of 4hiringYC S25ActiveAI, Data
Alkera AIReliable and safe data engineering and data science agentsteam of 3YC F26ActiveAI, Data, Devtools
AxiomatWe make AI that never hallucinates.team of 3YC F26ActiveAI, Data
LimnionTelemetry storage for the agentic era.team of 3YC F26ActiveAI, Data, Devtools
CueBenchRL post-training for science reasoning and performance engineeringteam of 3YC S26ActiveAI, Data
PetrarchAdvancing model capabilities for critical infrastructureteam of 3YC S26ActiveAI, Data
MenzaThe AI data analyst for consumer brandsteam of 3YC W26ActiveAI, Data
TensorTestEvals, RL environments and training data for creative tasksteam of 3YC W26ActiveAI, Data
CrunchedExcel AI analyst for Power Usersteam of 5YC F25ActiveAI, Data
s2.devAPI for unlimited, durable, real-time streamsteam of 5YC F25ActiveAI, Data, Devtools
PreseenThe AI forecasting company for global macro events.2 programsYC S25 +1ActiveAI, Data
Sepal AIData Development for Advanced AIteam of 15acquiredYC S24AcquiredAI, Data
ParseBuild an API to interact with any website.team of 4YC F25ActiveData, Devtools
LangfuseOpen source LLM engineering platformteam of 26acquired by ClickHouseYC W23AcquiredAI, Data, Devtools
NitrodeFrontier AI research to advance game developmentteam of 8hiringYC W25ActiveAI, Data
AxonnicBringing human dexterity to every robotteam of 2YC F26ActiveAI, Data
Kailash LabsA factory for small and specialized video reasoning modelsteam of 2YC F26ActiveAI, Data
LyonFoundation models on enterprise transaction data.team of 2YC F26ActiveAI, Data