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14,448 startups · 29 programs

Reality Defender

Active · Enterprise Deepfake Detection

WebsiteYC profile

Why it ranks

How the rank works
18signal of 100 · rising 4
  • team of 54Team size · YC's directory+9
  • went through YCProgram · this site+4
  • 2 programsMore than one program · this site+3
  • hiringHiring · Titles (titles.fru.dev), YC+2

A sum of public facts, not a judgement and not investment advice.

Competitors

AIInactiveAedilicShared: deepfake detection, securityYC W24San FranciscoStartup →AIVerihubsShared: deepfake detection, fraud, technologyYC S21JakartaStartup →AINexodata Inc.Shared: protecting enterprisePlug and PlayCanadaStartup →
Companies closest to Reality Defender
Company
AedilicShared: deepfake detection, securityYC W24InactiveAI
VerihubsShared: deepfake detection, fraud, technologyYC S21ActiveAI, Devtools
Nexodata Inc.Shared: protecting enterprisePlug and Play Not statedAI

Adjacent

OtherAmpceraShared: market leader, innovator, technologyPlug and PlayUnited StatesStartup →AIAsymptote LabsShared: security, detectionSPC 2025New YorkStartup →OtherDyneti TechnologiesShared: security, fraudYC W19San FranciscoStartup →AIFeroot SecurityShared: privacy, security, websiteYC W21TorontoStartup →AITinfoilShared: privacy, security, technologyYC X25San FranciscoStartup →
Companies next to Reality Defender
Company
AmpceraShared: market leader, innovator, technologyPlug and Play Not statedOther
Asymptote LabsShared: security, detectionSPC 2025Not statedAI
Dyneti TechnologiesShared: security, fraudYC W19ActiveOther
Feroot SecurityShared: privacy, security, websiteYC W21ActiveAI
TinfoilShared: privacy, security, technologyYC X25ActiveAI, Devtools

Also from W22 in AI

All of W22
AIAgencyAgency replaces traditional security and compliance headcount with AI.YC W22New York CityStartup →AIDynamo AICompliant-Ready AI for the EnterpriseYC W22San FranciscoStartup →AIStracData Discovery, DLP, DSPM for SaaS, Cloud, Gen AI & EndpointsYC W22SeattleStartup →AIAgaveApplied AI for ConstructionYC W22San FranciscoStartup →AIAirworkOn-demand labour that's actually goodYC W22TorontoStartup →AIAndiAI Search for the Next GenerationYC W22San FranciscoStartup →
Company
AgencyAgency replaces traditional security and compliance headcount with AI.team of 50hiringActiveAI
Dynamo AICompliant-Ready AI for the Enterpriseteam of 40hiringActiveAI, Data
StracData Discovery, DLP, DSPM for SaaS, Cloud, Gen AI & Endpointsteam of 8hiringActiveAI
AgaveApplied AI for Constructionteam of 50hiringActiveAI
AirworkOn-demand labour that's actually goodteam of 4ActiveAI
AndiAI Search for the Next Generationteam of 2ActiveAI, Data, Devtools

Programs

Programs Reality Defender went through
ProgramCohortSource
Y CombinatorW22YC Page
AI GrantBatch 2AI Grant Page

About Reality Defender

Reality Defender is the market leader in deepfake detection, protecting enterprises and governments from realtime deepfake and agentic fraud. Sign up for free access at https://www.realitydefender.com/api Website: www.realitydefender.com Contact: ask@realitydefender.com YC AMA: https://news.ycombinator.com/item?id=30766050 Awards: 2025 - Gartner: Recognized as Market Leader in Deepfake Detection 2025 - JPMorgan: Inducted into Hall of Innovation 2025 - World Economic Forum: Named Technology Pioneer 2025 - USA DIU + Japan MOD: 1st Place "Global Innovation Challenge" 2024 - RSA Conference: 1st Place “Most Innovative Startup” 2024 - SINET16 Innovator Award 2023 - SXSW 1st Place "Artificial Intelligence, Voice, & Robotics Technologies"

YC batch
W22 · Winter 2022
Status, per YC
Active
Category
AI
Team size
54
Location
New York City, NY, USA
Checked
10h ago

YC tags: SaaS, Deepfake Detection, Security, Privacy, AI

Changes seen

TagsOct 19, 2026

Newly tagged AI; no longer tagged Artificial Intelligence.

Source ↗

Reality Defender in W22: 398 companies, 45% AI

Reality Defender: questions

Which YC batch was Reality Defender in?

Reality Defender was in Y Combinator's Winter 2022 batch (W22).

Which accelerators did Reality Defender go through?

Reality Defender is listed by Y Combinator (W22), AI Grant (Grant Batch 2).

Is Reality Defender still active?

Y Combinator lists Reality Defender as active.

Where is Reality Defender based?

Reality Defender lists New York City, NY, USA as its location on YC's directory.