Liars.AI
AI-powered lie detector for spotting deception in videos
What is Liars.AI? Complete Overview
Liars.AI is the first AI-powered lie detector tool that analyzes videos to detect deception through subtle speech and body language cues. It helps users uncover the truth by providing a clear and easy-to-understand summary of the analysis. The tool is designed for anyone curious about the honesty of others, whether in personal relationships, public figures, or social interactions. With over 10,000 videos analyzed, Liars.AI offers a fun and innovative way to explore the truth behind spoken words. The tool is accessible via web browsers on any device, making it convenient for users to upload or record videos directly from their phones.
Liars.AI Interface & Screenshots

Liars.AI Official screenshot of the tool interface
What Can Liars.AI Do? Key Features
Instant Video Analysis
Liars.AI provides immediate analysis of uploaded videos, typically taking just 10-30 seconds for a 10-30 second video. The AI examines facial expressions, body language, and tone of voice to detect potential deception, delivering results in an easy-to-understand format.
Multi-Format Video Support
The tool accepts a wide range of video formats, including .mov, .mpeg, .mp4, .mpg, .avi, .wmv, .mpegps, and .flv. Users can either record directly from their device or upload pre-recorded videos for analysis.
Detailed Analysis Report
Each analysis includes a comprehensive report that breaks down the subject's facial expressions, body language, and vocal tones. This report helps users understand the potential signs of deception and provides insights into the person's honesty.
Shareable Results
Users can easily share their analysis results with others via a shareable link or by downloading the video and report. This feature is useful for discussions or further verification of the findings.
Proprietary AI Model
Liars.AI uses a custom-trained AI pipeline that continuously improves through reinforcement learning from human feedback (RLHF). This ensures the tool becomes more accurate over time as it learns from user interactions and feedback.
Best Liars.AI Use Cases & Applications
Personal Relationships
Users can analyze videos of partners, friends, or family members to detect potential deception in conversations. While the results are not definitive, they can provide valuable insights into the truth behind spoken words.
Public Figures and Politicians
Liars.AI can be used to analyze speeches or interviews of public figures, helping users identify potential dishonesty in their statements. This is particularly useful for fact-checking and media analysis.
Social Media Verification
The tool can analyze videos shared on social media to determine the authenticity of statements made by influencers or content creators, providing an additional layer of scrutiny.
Entertainment and Fun
Liars.AI can be used for fun and entertainment, allowing users to test the tool on friends or themselves to see how the AI interprets their honesty in casual settings.
How to Use Liars.AI: Step-by-Step Guide
Record or Upload a Video: Use your phone or device to record a video directly on the Liars.AI website or upload an existing video from your device. Ensure the video has clear audio and visual quality, with the subject speaking directly to the camera.
Submit for Analysis: Once the video is ready, submit it to Liars.AI for processing. The tool will begin analyzing the video, examining facial expressions, body language, and tone of voice.
Wait for Results: The analysis typically takes 10-30 seconds for a 10-30 second video. The system processes the data and generates a detailed report.
Review the Report: After the analysis is complete, review the detailed report, which highlights potential signs of deception and provides insights into the subject's honesty.
Share or Save Results: You can share the analysis results with others via a link or download the video and report for future reference. The tool also allows you to manage your subscription and billing directly from your account.
Liars.AI Pros and Cons: Honest Review
Pros
Considerations
Is Liars.AI Worth It? FAQ & Reviews
Liars.AI analyzes videos for deception by examining facial expressions, body language, and tone of voice. The AI uses a proprietary model trained to detect subtle cues that may indicate dishonesty, providing users with an informative report.
An iOS app is currently in development. Meanwhile, users can access the web version on any device, including iPhones and iPads, through their browser.
No, Liars.AI is strictly for adults (18+). Uploading videos of minors is prohibited, as AI results can be unpredictable with children.
Invite three friends to sign up for Liars.AI, and if all three join, you'll receive 15 seconds of free video analysis as a trial.
Yes, all uploaded videos and analysis results remain private unless you choose to share them. The system uses secure storage to protect your data from unauthorized access.