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Startup list · AI · 2021

AI startups in 2021

179 companies, newest first, each linked to the record it comes from.

MentionFox lists 179 AI companies for 2021. Of them, 179 are Y Combinator companies (the newest batch here is Summer 2021, with 100).

Companies179
Y Combinator179

Other years

All years (2747) 2026 (741) 2025 (507) 2024 (446) 2023 (291) 2022 (245) 2020 (89)

AI startups in 2021

CompanyWhat it doesDateAmountRound / stageRecord
AbstraAutomate finance operations with Python and AISummer 2021Y Combinator batchY Combinator listing
AdniThe career community for healthcare workersSummer 2021Y Combinator batchY Combinator listing
AdravisionAutomation for dental clinics and insurance companies.Summer 2021Y Combinator batchY Combinator listing
Affogato AIAffogato AI — Your Agent for instant TikToks, Reels, and ads.Summer 2021Y Combinator batchY Combinator listing
AI Tech PacksBuild factory ready tech packs in minutes.Summer 2021Y Combinator batchY Combinator listing
AlgoViralWe help high-growth startups go viral on autopilotSummer 2021Y Combinator batchY Combinator listing
AnakinOne API to get clean data from any website for your AI agents at scaleSummer 2021Y Combinator batchY Combinator listing
AquaThe AI-Native Turnkey Alternative Investment Platform (TAIP)Summer 2021Y Combinator batchY Combinator listing
ArtilleryThe complete production quality platformSummer 2021Y Combinator batchY Combinator listing
aSimBuild and share apps with friendsSummer 2021Y Combinator batchY Combinator listing
BaubapSmart micro financing for everyoneSummer 2021Y Combinator batchY Combinator listing
Bite NinjaRemote labor for restaurantsSummer 2021Y Combinator batchY Combinator listing
Byte KitchenIncreasing restaurant profitability through our AI Operating SystemSummer 2021Y Combinator batchY Combinator listing
BytebotBytebot is the open source container for AI desktop agents.Summer 2021Y Combinator batchY Combinator listing
Caire HealthSemi-Autonomous Diagnostics for Emergent CareSummer 2021Y Combinator batchY Combinator listing
CellChorusThe dynamic single-cell analysis companySummer 2021Y Combinator batchY Combinator listing
CeroAutomated communication between hospitals and patients in LatamSummer 2021Y Combinator batchY Combinator listing
CoastDemo Platform for API-First CompaniesSummer 2021Y Combinator batchY Combinator listing
CoinruleCoinrule Automates Your Crypto and Stock InvestmentsSummer 2021Y Combinator batchY Combinator listing
CoLoopAI Copilot for insights & strategySummer 2021Y Combinator batchY Combinator listing
Concord MaterialsAutomating procurement and finance for construction companiesSummer 2021Y Combinator batchY Combinator listing
ConfidoAI-enabled financial automation and intelligence for CPG BrandsSummer 2021Y Combinator batchY Combinator listing
ContraForceSecurity Delivery Platform to orchestrate AI agents for Service…Summer 2021Y Combinator batchY Combinator listing
Coulomb AIBattery Observability Platform for Electric VehiclesSummer 2021Y Combinator batchY Combinator listing
DailybotMake all team work visible — people and AI agentsSummer 2021Y Combinator batchY Combinator listing
DigiBuildWe buy & track building materials for construction companies.Summer 2021Y Combinator batchY Combinator listing
Epsilon3AI-Powered ERP, MES, and Test Software for Complex OperationsSummer 2021Y Combinator batchY Combinator listing
Evidently AIOpen-source monitoring for machine learning modelsSummer 2021Y Combinator batchY Combinator listing
ExaWeb search rebuilt for LLMsSummer 2021Y Combinator batchY Combinator listing
FerveretNuclear-inspired cooling that turns wasted power into more AI computeSummer 2021Y Combinator batchY Combinator listing
FiladdWe help students in Latin America graduate from College.Summer 2021Y Combinator batchY Combinator listing
FirstIgniteAI-Powered Business Development for Scientific OrganizationsSummer 2021Y Combinator batchY Combinator listing
FitiaAutomated Meal Planner & Nutrition TrackingSummer 2021Y Combinator batchY Combinator listing
GeostarGeostar drives inbound for companies through search.Summer 2021Y Combinator batchY Combinator listing
GetDotYour AI Data AnalystSummer 2021Y Combinator batchY Combinator listing
HireboltAI engineering capacitySummer 2021Y Combinator batchY Combinator listing
Hudson Labs (formerly Bedrock AI)AI-powered equity research softwareSummer 2021Y Combinator batchY Combinator listing
HyperbrowserWeb infra for AI agentsSummer 2021Y Combinator batchY Combinator listing
idemeumAI-powered Application ControlSummer 2021Y Combinator batchY Combinator listing
JestorSaving OPS from SLOPSSummer 2021Y Combinator batchY Combinator listing
JovianOnline University for Tech ProfessionalsSummer 2021Y Combinator batchY Combinator listing
Kalam LabsAutonomous Stratospheric UAVsSummer 2021Y Combinator batchY Combinator listing
KayaMarketing agency for startups: 10x cheaper, better and fasterSummer 2021Y Combinator batchY Combinator listing
Konta.comTurbotax for México and LATAMSummer 2021Y Combinator batchY Combinator listing
LagoThe AI Native Billing PlatformSummer 2021Y Combinator batchY Combinator listing
Legion HealthAutonomous medical careSummer 2021Y Combinator batchY Combinator listing
LightlyHelp ML teams label the right dataSummer 2021Y Combinator batchY Combinator listing
Mach9AI CAD Software for Civil EngineeringSummer 2021Y Combinator batchY Combinator listing
Malloc IncAI-driven mobile cybersecuritySummer 2021Y Combinator batchY Combinator listing
MarqVisionIP operating software for brands and content companiesSummer 2021Y Combinator batchY Combinator listing
Medium BiosciencesAI-designed Affinity ReagentsSummer 2021Y Combinator batchY Combinator listing
MentumAI-Powered Assistant for Procurement and Strategic SourcingSummer 2021Y Combinator batchY Combinator listing
MindFiTransforming Mental Health for Corporate AsiaSummer 2021Y Combinator batchY Combinator listing
Mindstate Design LabsProgrammable biology company for psychoactive effect designSummer 2021Y Combinator batchY Combinator listing
MiniloopAI workflow engine for reliable systemsSummer 2021Y Combinator batchY Combinator listing
MobileBoostAI native mobile testing.Summer 2021Y Combinator batchY Combinator listing
NeodocsInstant lab tests on your smartphoneSummer 2021Y Combinator batchY Combinator listing
NolocoFlexible Business Apps for Modern TeamsSummer 2021Y Combinator batchY Combinator listing
OneSchemaThe AI Cowork for big dataSummer 2021Y Combinator batchY Combinator listing
OpenlayerThe fastest way to ship airtight AISummer 2021Y Combinator batchY Combinator listing
Output BiosciencesThe foundation for the next era of biologySummer 2021Y Combinator batchY Combinator listing
PideakyWe help offline LatAm SMBs manage and accelerate their cash-flowSummer 2021Y Combinator batchY Combinator listing
PlaiCreate, launch, and optimize Facebook ads and ads on 10+ platformsSummer 2021Y Combinator batchY Combinator listing
PotionAI for product formulationSummer 2021Y Combinator batchY Combinator listing
Protex AIComputer vision that makes the industrial workplace, saferSummer 2021Y Combinator batchY Combinator listing
RedbeanMake games and stories with AISummer 2021Y Combinator batchY Combinator listing
ReploSell anythingSummer 2021Y Combinator batchY Combinator listing
Rgi LabsRobust & recursively self-improving general intelligenceSummer 2021Y Combinator batchY Combinator listing
Rivia.AIInteractive Product DemosSummer 2021Y Combinator batchY Combinator listing
RootlyAI-native on-call and incident response carefully crafted to help…Summer 2021Y Combinator batchY Combinator listing
Safer ManagementStudent Attendance tracking for Public SchoolsSummer 2021Y Combinator batchY Combinator listing
SalaryBoxGusto for IndiaSummer 2021Y Combinator batchY Combinator listing
ScispotThe Best Data Infrastructure for BiotechsSummer 2021Y Combinator batchY Combinator listing
SecodaSecoda is the AI layer for your AnalyticsSummer 2021Y Combinator batchY Combinator listing
SentiyenConversational AI assistants using your knowledgeSummer 2021Y Combinator batchY Combinator listing
SequinSequin is building AI Voice Agents to automate collections calls for…Summer 2021Y Combinator batchY Combinator listing
ShapeGet data insights without writing SQLSummer 2021Y Combinator batchY Combinator listing
ShipBluAmazon Level Logistics for eCommerce Companies in MENA.Summer 2021Y Combinator batchY Combinator listing
SleekBrowser automation for businesses.Summer 2021Y Combinator batchY Combinator listing
SlopeThe B2B Payments PlatformSummer 2021Y Combinator batchY Combinator listing
SnapCalorieSingle photo nutrition tracking.Summer 2021Y Combinator batchY Combinator listing
SocoVisual AI shoppingSummer 2021Y Combinator batchY Combinator listing
Spark StudioThe most magical personal Voice-Led AI English Learning Buddy for KidsSummer 2021Y Combinator batchY Combinator listing
StardexAI native ATS + CRM for executive search firmsSummer 2021Y Combinator batchY Combinator listing
SullyAutonomous team of AI agents that runs the entire hospital operationsSummer 2021Y Combinator batchY Combinator listing
SuperwallSubscription infrastructure & paywall experimentation for mobile appsSummer 2021Y Combinator batchY Combinator listing
SwipeSuper AI Accountant for SMBsSummer 2021Y Combinator batchY Combinator listing
TavusBuilding the human layer of AISummer 2021Y Combinator batchY Combinator listing
TelmaiAutomated data observability and quality for Data LakeSummer 2021Y Combinator batchY Combinator listing
TenyksThe World's Most Versatile Video Answering EngineSummer 2021Y Combinator batchY Combinator listing
Tiriel AIThe AI workforce for freight dispatchSummer 2021Y Combinator batchY Combinator listing
VarosAI Business Analysts to gather requirements and optimize processesSummer 2021Y Combinator batchY Combinator listing
VerihubsAI-powered Deepfake DetectionSummer 2021Y Combinator batchY Combinator listing
VogentBuild Voice AI AgentsSummer 2021Y Combinator batchY Combinator listing
WarpBuildAccelerate software development with WarpBuild's 10x faster CI infra.Summer 2021Y Combinator batchY Combinator listing
WarpfyBuilding Shein of Home: tech-driven, design-mfr Home Lifestyle BrandSummer 2021Y Combinator batchY Combinator listing
WaterplanWater risk mitigation for industrial sitesSummer 2021Y Combinator batchY Combinator listing
zaz⚡️osThe custom all-in-one OS for each company.Summer 2021Y Combinator batchY Combinator listing
ZensorsAI to understand and automates the physical worldSummer 2021Y Combinator batchY Combinator listing
ZumaWe help businesses convert leads into sales in minutes using textSummer 2021Y Combinator batchY Combinator listing
AbacumThe AI-native FP&A platform that helps Finance teams drive business…Winter 2021Y Combinator batchY Combinator listing
AlineaAutomated investing for the next generation 💸Winter 2021Y Combinator batchY Combinator listing
AnimaThe next generation care enablement platformWinter 2021Y Combinator batchY Combinator listing
arnataAI workers for the logistics industryWinter 2021Y Combinator batchY Combinator listing
Atomic IndustriesSoftware orchestrated mass production of plasticsWinter 2021Y Combinator batchY Combinator listing
authzedWinter 2021Y Combinator batchY Combinator listing
AvocadoAI-Native Restaurant POSWinter 2021Y Combinator batchY Combinator listing
Axiom.aiNo-code Browser RPAWinter 2021Y Combinator batchY Combinator listing
BiodockCloud AI microscopy automationWinter 2021Y Combinator batchY Combinator listing
BusinessOnBotAutomated user acquisition & selling on WhatsApp for businessesWinter 2021Y Combinator batchY Combinator listing
ChatwootThe modern, open source, self-hosted AI customer support platformWinter 2021Y Combinator batchY Combinator listing
ClearThe unbiased AI and data layer for skin health.Winter 2021Y Combinator batchY Combinator listing
ClipDropTurn regular mobile photos into professional product visualsWinter 2021Y Combinator batchY Combinator listing
cloud humansAI-powered customer service for startupsWinter 2021Y Combinator batchY Combinator listing
Compose.aiCut your writing time by 40% with AI-powered autocompleteWinter 2021Y Combinator batchY Combinator listing
CybleCyble - World’s First Intelligence-Driven, AI-Native Security…Winter 2021Y Combinator batchY Combinator listing
DarrowBring Justice to LightWinter 2021Y Combinator batchY Combinator listing
DatricsGenerative AI Healthcare Coding AutomationWinter 2021Y Combinator batchY Combinator listing
DreamWorldDreamWorld is a next-gen Minecraft with generative AI buildingWinter 2021Y Combinator batchY Combinator listing
Emerge ToolsSupercharge your mobile appsWinter 2021Y Combinator batchY Combinator listing
Enable UsDigital Sales Rooms (Acquired by MindTickle)Winter 2021Y Combinator batchY Combinator listing
EncordThe data layer for physical AIWinter 2021Y Combinator batchY Combinator listing
EstocaThe Logistics Operating System for E-commerce in LatAmWinter 2021Y Combinator batchY Combinator listing
Expent IncProcure the right software 5x fasterWinter 2021Y Combinator batchY Combinator listing
Feroot SecurityAI-powered Compliance Platform for PCI 4, CCPA, HIPAA, CIPA, 50+ lawsWinter 2021Y Combinator batchY Combinator listing
FirstSupport.aiAI Assistant for Customer SupportWinter 2021Y Combinator batchY Combinator listing
Flux AutoPhysical AI for Warehouses and FactoriesWinter 2021Y Combinator batchY Combinator listing
Fountain9Helping food brands and retailers reduce food wastageWinter 2021Y Combinator batchY Combinator listing
FrizAI Social Media ManagerWinter 2021Y Combinator batchY Combinator listing
GigsThe OS for Embedded TelecomWinter 2021Y Combinator batchY Combinator listing
HumaansAI-Powered HRIS for high performing teamsWinter 2021Y Combinator batchY Combinator listing
HumanceAI that keeps complex construction projects on schedule.Winter 2021Y Combinator batchY Combinator listing
inBalanceElectricity price forecasts for energy storage, ev charging, etc.Winter 2021Y Combinator batchY Combinator listing
InpharmDWe provide a curated, evidence- based answer to any clinical question.Winter 2021Y Combinator batchY Combinator listing
JourneyNo code platform for sales to tell better stories and win more deals.Winter 2021Y Combinator batchY Combinator listing
Lamar HealthTake Care of Shitty Paperwork for Expensive DrugsWinter 2021Y Combinator batchY Combinator listing
LightTwistRealistic virtual video studio to record and stream from your browserWinter 2021Y Combinator batchY Combinator listing
LiveFlowThe Unified AI-ERP & FP&A PlatformWinter 2021Y Combinator batchY Combinator listing
MindeeAI Document Understanding APIWinter 2021Y Combinator batchY Combinator listing
MoichorAI Powered Animal DiagnosticsWinter 2021Y Combinator batchY Combinator listing
MoonvalleyBuilding the next generation AI creative studioWinter 2021Y Combinator batchY Combinator listing
NavatticInteractive product demosWinter 2021Y Combinator batchY Combinator listing
OllamaGet up and running with large language models.Winter 2021Y Combinator batchY Combinator listing
OpenCodeThe open source AI coding agentWinter 2021Y Combinator batchY Combinator listing
Pangea.appHire Fractional Marketing + Design TalentWinter 2021Y Combinator batchY Combinator listing
ParsagonAI to track and analyze public policyWinter 2021Y Combinator batchY Combinator listing
Per DiemThe AI operating system for restaurantsWinter 2021Y Combinator batchY Combinator listing
Pibit.aiThe fastest path from submission to better decisions.Winter 2021Y Combinator batchY Combinator listing
PipeBioPipeBio is a SaaS bioinformatics platform to develop antibody drugs.Winter 2021Y Combinator batchY Combinator listing
PoplYour AI GTM platform for In-Person EventsWinter 2021Y Combinator batchY Combinator listing
Pragmatic LeadersAI-powered Corporate Training: Faster, Smarter, and More EffectiveWinter 2021Y Combinator batchY Combinator listing
Promoted.aiDramatically better search and ads for marketplacesWinter 2021Y Combinator batchY Combinator listing
Quadrant HealthAnalyzing EHR and messaging data to predict disease before it occurs.Winter 2021Y Combinator batchY Combinator listing
Reclaim ProtocolEducation, Employment, Loyalty verificationWinter 2021Y Combinator batchY Combinator listing
RinsedSoftware to run car washes moving to a monthly subscription modelWinter 2021Y Combinator batchY Combinator listing
RocketSDRAI Native Sales Outreach PlatformWinter 2021Y Combinator batchY Combinator listing
Segments.aiBuild better computer vision models by building better datasetsWinter 2021Y Combinator batchY Combinator listing
SimplifyHelping a billion people build their dream careerWinter 2021Y Combinator batchY Combinator listing
SivoDebt as a service for companies to lend money to their users at scale.Winter 2021Y Combinator batchY Combinator listing
SorabanAI tax workflow platform for accounting firmsWinter 2021Y Combinator batchY Combinator listing
SplineDesign and collaborate in multiple dimensions.Winter 2021Y Combinator batchY Combinator listing
SpoknAI-powered video platform for Internal Comms and HR teamsWinter 2021Y Combinator batchY Combinator listing
SupadockMulti-agent AI for physical logistics operationsWinter 2021Y Combinator batchY Combinator listing
TaoFiThe financial layer for decentralized AIWinter 2021Y Combinator batchY Combinator listing
TintMakes it easy for tech platforms to embed insurance into productsWinter 2021Y Combinator batchY Combinator listing
Topline ProGenerative AI powered Shopify for home service professionalsWinter 2021Y Combinator batchY Combinator listing
TractianPhysical AI for asset-heavy industriesWinter 2021Y Combinator batchY Combinator listing
TreintaSoftware and AI tools for SMBs in the US and Latin AmericaWinter 2021Y Combinator batchY Combinator listing
TriomicsAI Agents for Oncology EHRsWinter 2021Y Combinator batchY Combinator listing
True3DBuilding the next generation of visual mediaWinter 2021Y Combinator batchY Combinator listing
Turing CollegeAI-driven online tech school for busy professionalsWinter 2021Y Combinator batchY Combinator listing
unSurveyAI-led market research interviews, no scheduling, instant insights.Winter 2021Y Combinator batchY Combinator listing
VapiVoice AI for developers.Winter 2021Y Combinator batchY Combinator listing
Venu AIMeet qualified leads in person by automating conference productionWinter 2021Y Combinator batchY Combinator listing
Version Story CompareWinter 2021Y Combinator batchY Combinator listing
WaydevEngineering intelligence for AI transformationWinter 2021Y Combinator batchY Combinator listing
WeekdayAI recruiter that runs outbound sourcing campaigns to find top talentWinter 2021Y Combinator batchY Combinator listing
weweb.ioWeWeb is the AI app builder your IT team will approve.Winter 2021Y Combinator batchY Combinator listing
ZokoBetter Business on WhatsAppWinter 2021Y Combinator batchY Combinator listing

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A Full Report covers who runs the company, who owns it, where its money comes from and what to watch for, every claim linked to its source. See pricing.

Related startup lists

AI agent (507 shared) Developer tools (348 shared) Generative AI (268 shared) Healthcare and health tech (245 shared) Productivity and workflow automation (240 shared) Sales and marketing (231 shared)

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Permanent URL: https://mentionfox.com/startups/artificial-intelligence/2021
Last updated 2026-09-30
Primary record: Y Combinator directory entry
AI startups in 2021: 179 companies, each with its record. MentionFox, 2026-09-30. https://mentionfox.com/startups/artificial-intelligence/2021