Reality Defender

Overview

Reality Defender is an enterprise deepfake detection company [1][2] based in New York City, NY, USA [4]. Founded in 2021 [12], the company was accepted into Y Combinator's Winter 2022 batch [5][10]. As of the available data, Reality Defender operates as an active company [6] with a team of 54 employees [7][13]. The company has received multiple industry recognitions, including recognition as a Market Leader in Deepfake Detection by Gartner in 2025 [9], induction into JPMorgan's Hall of Innovation in 2025 [9], and designation as a World Economic Forum Technology Pioneer in 2025 [9]. Additional awards include first place at the RSA Conference's Most Innovative Startup competition in 2024 [9] and first place in the "Artificial Intelligence, Voice, & Robotics Technologies" category at SXSW in 2023 [9].

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" [5] [11]

New York City, NY, USA [6]

New York City [13]

2021 [14]

Y Combinator's directory lists the company location as New York City, NY, USA. [16]

Business address: 60 Hudson St, New York, New York, 10013. [19]

Growth & traction

54 [1]

count: 54 [9]

Y Combinator lists a team size of 54. [17]