Show HN: Watsn.ai – Scarily accurate lie detector https://ift.tt/RJODfr1
Watsn.ai: A Bold Attempt at AI-Powered Lie Detection Introduction On December 2, 2025, a new project called Watsn.ai was introduced to the Hacker News community. Marketed as a "scarily accurate lie detector," Watsn.ai promises to analyze video clips and determine whether the speaker is being truthful. Unlike many gimmicky lie detector apps that have surfaced over the years, Watsn.ai claims to leverage state-of-the-art multimodal AI models to achieve meaningful accuracy. The tool requires no signup; users simply upload or record a video, and the system evaluates truthfulness based on micro-expressions, voice patterns, and contextual cues. This article explores the technology behind Watsn.ai, its potential applications, ethical implications, and the broader context of AI-driven deception detection. How Watsn.ai Works According to its creator, Watsn.ai integrates multiple AI modalities: Facial micro-expression analysis : Subtle, involuntary facial movements that may reveal hid...