HubReal-world training data for frontier AI labs and robotics.team of 60hiringYC X26·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCX26 |
Perit.AIExpert-collected voice, egocentric and RL training data for frontier…team of 47YC F26·Active·AI, Data | AI, Data | Active | YCF26 |
UplaneReplace marketing agencies with AIteam of 26hiringYC F25·Active·AI, Data | AI, Data | Active | YCF25 |
BioStack PlatformsReal world training envs for healthcare AI modelsteam of 11hiringYC X26·Active·AI, Data | AI, Data | Active | YCX26 |
OnyxOpen Source AI Chat32.2k starsteam of 20YC W24·Acquired·AI, Data, Devtools | AI, Data, Devtools | Acquired | YCW24 |
EpsilabLong horizon RL environments from real-life datateam of 4hiringYC F26·Active·AI, Data | AI, Data | Active | YCF26 |
CorveraThe AI sales agent for CPG brandsteam of 4hiringYC W26·Active·AI, Data | AI, Data | Active | YCW26 |
HyperspellYour Company Brainteam of 8hiringYC F25·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCF25 |
Agnost AIWe find where AI agents fail, then train better models to run them.2 programsteam of 2YC S26 +1·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YC +1S26 |
Synphonyrobots & software for farmsteam of 10YC X26·Active·AI, Data | AI, Data | Active | YCX26 |
Vulcan TechnologiesSecure frontier AI for government & adjacent knowledge workteam of 17hiringYC S25·Active·AI, Data | AI, Data | Active | YCS25 |
WeaveAI to understand and then route engineering workteam of 16on 3 Glyph sourcesYC W25·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCW25 |
AmborasAI Native Shopifyteam of 3hiringYC X26·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCX26 |
ArdentDatabase sandboxes for Agentsteam of 3hiringYC X26·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCX26 |
CedalioAI agents that automate AP, procurement, and financeteam of 62 programsYC S23 +1·Active·AI, Data | AI, Data | Active | YC +1S23 |
DiligenceSquaredAI-powered market due diligence for investment decisionsteam of 5hiringYC F25·Active·AI, Data | AI, Data | Active | YCF25 |
FleetlineOptimizing fleet planning with data driven algorithmsteam of 11hiringYC S25·Active·AI, Data | AI, Data | Active | YCS25 |
HillStarAgents to help utilities make better buying decisions.team of 2hiringYC F26·Active·AI, Data | AI, Data | Active | YCF26 |
LATOPredict how market participants behaveteam of 2hiringYC S26·Active·AI, Data | AI, Data | Active | YCS26 |
LaurenceQuantitative research for autonomous e-commerce growthteam of 2hiringYC W26·Active·Data | Data | Active | YCW26 |
SitefireMarketing suite for the agentic webteam of 2hiringYC W26·Active·AI, Data | AI, Data | Active | YCW26 |
SupabaseBuild in a weekend. Scale to millions.110.8k starsteam of 120YC S20·Active·Data, Devtools | Data, Devtools | Active | YCS20 |
AfterQueryApplied research lab curating data solutions for foundation model…team of 30hiringYC W25·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCW25 |
ObsessionDBReal-time data warehouse for agentsteam of 5YC F26·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCF26 |
ZavoUnlocking the world’s most valuable data for frontier AI.team of 8YC F25·Active·AI, Data | AI, Data | Active | YCF25 |
OnDeck AIAnalyze any footage, without training a modelteam of 6hiringYC S25·Active·AI, Data | AI, Data | Active | YCS25 |
LinewiseIndustrial data layer for physical RSIteam of 25YC X25·Active·AI, Data | AI, Data | Active | YCX25 |
LitmusEvals for humansteam of 4YC S26·Active·AI, Data | AI, Data | Active | YCS26 |
HarborAI-native CRO for clinical trial operationsteam of 4YC X26·Active·AI, Data | AI, Data | Active | YCX26 |
NetterAI agents for data science (enterprise)team of 4YC X26·Active·AI, Data | AI, Data | Active | YCX26 |
PLAN0 AIConstruction Cost Intelligence.team of 4YC X26·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCX26 |
Constellation SpaceAI operating system for mega-scale satellite networks.team of 4YC W26·Active·AI, Data | AI, Data | Active | YCW26 |
PranaAn AI primary care doctor in your pocketteam of 4YC W26·Active·AI, Data | AI, Data | Active | YCW26 |
ShofoThe World's Largest Video Libraryteam of 4YC W26·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCW26 |
ConveoGrowth through always‑on consumer understandingteam of 90hiringYC S24·Active·AI, Data | AI, Data | Active | YCS24 |
AutumnBilling infrastructure for AIteam of 5hiringYC S25·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCS25 |
LemmaProduction Monitoring for AI agentsteam of 2hiringYC F25·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCF25 |
Besimple AIVoice data for AIteam of 8hiringYC X25·Active·AI, Data | AI, Data | Active | YCX25 |
AtlasGridAccelerate Product Iterationteam of 6YC F25·Active·AI, Data | AI, Data | Active | YCF25 |
SciloopExpert STEM reasoning data for frontier AI labs.team of 6YC F25·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCF25 |
FivetranThe leader in automated data movementteam of 1.2k11.8k starsYC W13·Active·Data, Devtools | Data, Devtools | Active | YCW13 |
DeepAware AI (Robotics Center of Silicon Valley)Robots, parts & RL envs & evals - delivered in 48 hrs / pickup in SF.team of 4hiringYC S25·Active·AI, Data | AI, Data | Active | YCS25 |
NovaflowThe AI data analyst for biology labsteam of 4hiringYC S25·Active·AI, Data | AI, Data | Active | YCS25 |
| AAAlkera AIReliable and safe data engineering and data science agentsteam of 3YC F26·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCF26 |
AxiomatWe make AI that never hallucinates.team of 3YC F26·Active·AI, Data | AI, Data | Active | YCF26 |
LimnionTelemetry storage for the agentic era.team of 3YC F26·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCF26 |
CueBenchRL post-training for science reasoning and performance engineeringteam of 3YC S26·Active·AI, Data | AI, Data | Active | YCS26 |
PetrarchAdvancing model capabilities for critical infrastructureteam of 3YC S26·Active·AI, Data | AI, Data | Active | YCS26 |
MenzaThe AI data analyst for consumer brandsteam of 3YC W26·Active·AI, Data | AI, Data | Active | YCW26 |
TensorTestEvals, RL environments and training data for creative tasksteam of 3YC W26·Active·AI, Data | AI, Data | Active | YCW26 |
CrunchedExcel AI analyst for Power Usersteam of 5YC F25·Active·AI, Data | AI, Data | Active | YCF25 |
s2.devAPI for unlimited, durable, real-time streamsteam of 5YC F25·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCF25 |
PreseenThe AI forecasting company for global macro events.2 programsYC S25 +1·Active·AI, Data | AI, Data | Active | YC +1S25 |
Sepal AIData Development for Advanced AIteam of 15acquiredYC S24·Acquired·AI, Data | AI, Data | Acquired | YCS24 |
ParseBuild an API to interact with any website.team of 4YC F25·Active·Data, Devtools | Data, Devtools | Active | YCF25 |
LangfuseOpen source LLM engineering platformteam of 26acquired by ClickHouseYC W23·Acquired·AI, Data, Devtools | AI, Data, Devtools | Acquired | YCW23 |
NitrodeFrontier AI research to advance game developmentteam of 8hiringYC W25·Active·AI, Data | AI, Data | Active | YCW25 |
AxonnicBringing human dexterity to every robotteam of 2YC F26·Active·AI, Data | AI, Data | Active | YCF26 |
Kailash LabsA factory for small and specialized video reasoning modelsteam of 2YC F26·Active·AI, Data | AI, Data | Active | YCF26 |
LyonFoundation models on enterprise transaction data.team of 2YC F26·Active·AI, Data | AI, Data | Active | YCF26 |
MetalcraftAdvancing biological modelsteam of 2YC F26·Active·AI, Data | AI, Data | Active | YCF26 |
OpenCrawlShared context for your agents.team of 2YC F26·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCF26 |
OpenLake TechnologiesOpenLake deploys, trains, and serves models that update in real time.team of 2YC F26·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCF26 |
ReconeroReconero helps police officers automate their workflows with AIteam of 2YC F26·Active·AI, Data | AI, Data | Active | YCF26 |
SynaraBuilding the next generation of AI enabled monitoringteam of 2YC F26·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCF26 |
TrueMileAI-native trucking companyteam of 2YC F26·Active·AI, Data | AI, Data | Active | YCF26 |
AtliaThe AI-native property management company for short-term rentalsteam of 2YC S26·Active·AI, Data | AI, Data | Active | YCS26 |
CoArenaThe biggest crowdsourced benchmark for Computer-Useteam of 2YC S26·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCS26 |
DatoricThe training data R&D engine for physical AIteam of 2YC S26·Active·AI, Data | AI, Data | Active | YCS26 |
Hebbian RoboticsFoundational infrastructure for Physical AIteam of 2YC S26·Active·AI, Data | AI, Data | Active | YCS26 |
MaingenSimulating Agents Running Industrial Companiesteam of 2YC S26·Active·AI, Data | AI, Data | Active | YCS26 |
MarkovThe data lab for engineering and computer-use AI.team of 2YC S26·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCS26 |
Moving AtomsScan to 3D Modelteam of 2YC S26·Active·AI, Data | AI, Data | Active | YCS26 |
Olam LabsCrafting simulations for frontier lab model trainingteam of 2YC S26·Active·AI, Data | AI, Data | Active | YCS26 |
OsseusData research lab for aligned health and biological AIteam of 2YC S26·Active·AI, Data | AI, Data | Active | YCS26 |
Poth LabsThe customer brain that connects data to explain customer behaviorteam of 2YC S26·Active·AI, Data | AI, Data | Active | YCS26 |
StudioAccurately simulate market response at scaleteam of 2YC S26·Active·AI, Data | AI, Data | Active | YCS26 |
ForesightConsumer simulations for CPG market researchteam of 2YC X26·Active·AI, Data | AI, Data | Active | YCX26 |
Alt-XBuilding the best venue for private markets exposure.team of 2YC W26·Active·AI, Data | AI, Data | Active | YCW26 |
AshrEnterprise post-training, monitoring, and continual learning platformteam of 2YC W26·Active·AI, Data | AI, Data | Active | YCW26 |
CaptainSelf-tuning search for products and filesteam of 2YC W26·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCW26 |
Velum LabsThe OS for data quality across any stackteam of 2YC W26·Active·AI, Data | AI, Data | Active | YCW26 |
Artificial SocietiesFoundational model of human societies for consequential decisionsteam of 18YC W25·Active·AI, Data | AI, Data | Active | YCW25 |
Liva AIBuilding socially intelligent AIteam of 6YC S25·Active·AI, Data | AI, Data | Active | YCS25 |
VelvetExpressive conversational AIteam of 3YC F25·Active·AI, Data | AI, Data | Active | YCF25 |
Trellis AIAccelerate Medication Access with AIteam of 55hiringYC W24·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCW24 |
PulseProduction-grade unstructured document extractionteam of 22hiringYC S24·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCS24 |
PgDogScaling engine for PostgreSQLteam of 3hiringYC X25·Active·Data, Devtools | Data, Devtools | Active | YCX25 |
PostHogThe single platform to analyze, test, observe, and deploy new features39.9k starsteam of 150YC W20·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCW20 |
AirbyteThe open standard in data connectivity for AI and analytics.22.1k starsteam of 90YC W20·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCW20 |
KuliAI coworker for marketing teams at the largest consumer brandshiringYC X26·Active·AI, Data | AI, Data | Active | YCX26 |
OutsetAI-powered user interviewsteam of 120hiringYC S23·Active·AI, Data | AI, Data | Active | YCS23 |
HelixDBThe fastest & most scalable graph-vector database on the marketteam of 6YC X25·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCX25 |
LabricThe data layer for scientific researchteam of 6YC X25·Active·AI, Data | AI, Data | Active | YCX25 |
PlexeOpen-source agents to build predictive ML models from a promptteam of 2hiringYC X25·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCX25 |
StacksyncReal-time and two-way sync between CRMs and Databasesteam of 34hiringYC W24·Active·Data | Data | Active | YCW24 |
CirclebackAI-powered meeting notes and automationsteam of 82 programsYC W24 +1·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YC +1W24 |
SerafisDeep intelligence for private marketsteam of 4YC S25·Active·AI, Data | AI, Data | Active | YCS25 |
BronTikTok for Sports Bettingteam of 2YC F25·Active·AI, Data | AI, Data | Active | YCF25 |
The Context CompanyFind what's losing you customers and money in your AI agent and fix itteam of 2YC F25·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCF25 |
ReductoThe complete agentic document platformteam of 30hiringYC W24·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCW24 |
IntrycIntryc is the unified quality assurance, governance, and training…team of 12hiringYC S24·Active·AI, Data | AI, Data | Active | YCS24 |
Zeit AIThe autonomous data engineer for the mid-marketteam of 12hiringYC S24·Active·AI, Data | AI, Data | Active | YCS24 |
Capitol AICapitol: the sovereign operating system for intelligence.team of 11hiringYC S24·Active·AI, Data | AI, Data | Active | YCS24 |
10xAI Sales Teams for Dental Practicesteam of 3hiringYC W25·Active·AI, Data | AI, Data | Active | YCW25 |
Thunder ComputeThe GPU sandbox companyteam of 10hiringYC S24·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCS24 |
RaycasterAgentic AI for knowledge workteam of 6hiringYC F24·Active·AI, Data | AI, Data | Active | YCF24 |
PalomaAI-native custom software + data analytics for real economy operationsteam of 3YC S25·Active·AI, Data | AI, Data | Active | YCS25 |
TheoraBuilding medical school for AI Agentsteam of 3YC S25·Active·AI, Data | AI, Data | Active | YCS25 |
AmplitudeDigital Analytics Platformteam of 750publicYC W12·Public·AI, Data, Devtools | AI, Data, Devtools | Public | YCW12 |
TrieveAll-in-one API for search, RAG, & recommendationsteam of 7acquiredYC W24·Acquired·AI, Data, Devtools | AI, Data, Devtools | Acquired | YCW24 |
SureformReal-world company data for frontier AIteam of 4YC X25·Active·AI, Data | AI, Data | Active | YCX25 |
UnboundUse AI tools without fear of data leakageteam of 7hiringYC S24·Active·AI, Data | AI, Data | Active | YCS24 |
UbicloudOpen source alternative to AWSteam of 15hiringYC W24·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCW24 |
ProSightsData services for finance and operations at PE-backed companies.team of 14hiringYC W24·Active·AI, Data | AI, Data | Active | YCW24 |
ArchilThe high-performance file system that connects AI to datateam of 11YC F24·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCF24 |
OrigamiEnter your domain & Origami gets you customers.team of 10YC F24·Active·AI, Data | AI, Data | Active | YCF24 |
Sherpa LabsFrontier Datateam of 5YC W25·Active·AI, Data | AI, Data | Active | YCW25 |
Human BehaviorUnderstand your users beyond the numbersteam of 3YC X25·Active·AI, Data, Devtools | AI, Data, Devtools | Active | YCX25 |
DoeThe boring stuff, handled. Everything else, supercharged.team of 2YC S25·Active·AI, Data | AI, Data | Active | YCS25 |