AI Lie Detector
The best 50 AI Lie Detector tools - Free & Paid
Explore 50 AI for AI Lie Detector
Aiallure offers personalized uncensored girlfriend generator that allows users to tailor virtual AI girlfriends with customized appearances and interaction styles, offering diverse adult 18+ content generation.
Freemium
- $29.9/mo
LiarLiar.ai detects deception in real‑time during video calls and recordings by monitoring heart rate, micro‑expressions, body language, voice pitch, and language. It provides instant truth‑worthiness scores and detailed reports, preserving privacy by storing recordings locally.
Paid
- $9.99/mo
Undetectable AI scans text and images for signatures of models like GPT‑4, Gemini, and Claude, combining multiple engine results into a probability score. It handles paraphrased content, supports 50+ languages, and offers a Chrome extension and API.
Free
- $5/mo
AIScanner.io is a tool that detects AI-generated text from major models like GPT and Claude, providing a 0–100 authenticity score in seconds. It identifies paraphrased content and mixed samples with continuous model updates, helping educators and professionals verify content originality.
Free
AI Detector evaluates text for AI authorship likelihood, delivering a percentage score. It compares style, vocabulary, sentence length, and coherence against extensive human and AI datasets, enabling targeted edits for academic, SEO, and publishing standards.
Free
- $5.91
AI Detector Pro provides comprehensive recognition of AI-generated text and includes advanced features to manage AI generation reports efficiently.
Free trial
Hallo offers AI‑driven language proficiency tests in 60+ languages, delivering immediate CEFR‑aligned scores and detailed feedback on fluency, vocabulary, grammar, and pronunciation. It integrates with ATS for real‑time results and secure data handling.
Subscription
Detecting‑AI scans text in 50+ languages, marking AI‑generated sentences with probability scores. It integrates with Chrome, Moodle, Zapier, and offers an API, delivering up to 98% accuracy and low false‑positives while protecting user privacy.
Freemium
- $7/mo
AI Detector identifies AI‑generated content across text, images, audio, and video, supporting common media formats. It achieves 98.9% accuracy for synthetic images and offers an API for seamless integration into KYC, fraud‑prevention, and moderation workflows.
Freemium
- $5/mo
Ai‑Spy analyzes MP3/WAV files to distinguish human from AI‑generated speech. It offers drag‑and‑drop uploads or link input, instant authenticity scores, word‑level breakdowns, exportable reports, and a SOC 2‑certified API for workflow integration.
Free
AI Essay Checker spots AI‑generated content, grammar errors, and plagiarism in real time. It offers multilingual support, a rich text editor, and local processing for privacy, aiding students, teachers, writers, SEO pros, and legal professionals.
Freemium
Alevels.ai is an AI‑powered study platform for A‑Level prep, offering automated past‑paper marking, examiner‑style feedback, thousands of exam‑style problems, recall quizzes, instant explanations, visual analytics, device‑agnostic access, and progress tracking against grade boundaries.
Free
24/7 AI therapist providing conversational support for anxiety, depression, stress, and relationship issues. It uses CBT, DBT, and psychodynamic methods, tracks emotional patterns, offers personalized suggestions in 26 languages, and respects privacy for all users.
Free
AI Content Detector evaluates text for AI authorship, handling uploads up to 4 MB or pasted input. It returns a detection score, readability rating, and grade assessment, comparing against models such as ChatGPT, Gemini, Claude, and LLaMA. Useful for researchers, educators, and publishers to verify
Paid
- $9.99
AI Content Detector - Trusted GPT-4 analyzes text to identify human-written versus AI-generated content. It offers document uploads, supports multiple languages, and provides percentage-based insights on originality, making it useful for educators and content creators.
Free
Detector.io is an AI detection tool that scans text to identify AI-generated passages, providing a score and highlighted segments. It includes integrated tools like an AI humanizer and plagiarism checker to help refine content for authenticity.
Free
AI Undetect evaluates AI‑generated content and rewrites it into human‑like text in 20+ languages. It integrates with ChatGPT, Claude, and Jasper, offering manual and auto‑perfect modes, and shows unified detection results from GPTZero, Copyleaks, Turnitin, Originality AI, and more.
Paid
wasitai analyzes images in-browser or via URL to detect AI-generated content, returning a confidence score and detailed report; supports major generators, offers API, bulk/automated screening, and misclassification feedback for moderation and fraud-prevention.
Freemium
- $35/mo
Truth or Dare AI is a browser‑based game that generates unique, never‑repeating truth or dare prompts. It supports multiple modes, custom themes, and tailors questions to participants, offering optional iOS use with no downloads or sign‑ups.
Free
X Detector analyzes up to 5,000 characters, giving per‑word probability scores to identify whether a passage was written by ChatGPT, Claude, Gemini, or a human. It supports over 20 languages, processes millions of texts, and encrypts data for privacy.
Freemium
answersai is an AI tool that offers instant solutions to academic questions. Users can capture problems via photo and receive accurate responses, with support for follow-up queries to enhance understanding across various subjects, accessible on mobile and web.
Freemium
Originality.ai evaluates text for AI generation, plagiarism, factual accuracy, readability, grammar, and SEO. The Chrome extension and web app enable on‑page checks, bulk scanning, PDF uploads, and API integration for writers and editors.
Free trial
- $12.95/mo
AHelp is an AI platform offering essay writing, paraphrasing, grammar and plagiarism checks, and AI source finding in multiple languages. It generates outlines, expands paragraphs, and validates originality, streamlining drafting and quality control.
Subscription
- $4.17/mo
Sus AI is a rapid people-search tool that compiles identity, criminal, and social media data into a single report in about 30 seconds. It supports personal safety vetting with red-flag detection, but is not FCRA-compliant and should not be used for regulated decisions.
Subscription
- $6.99/mo
AI Voice Detector identifies AI‑generated speech with up to 99 % accuracy. It analyzes MP3, WAV, OGG, M4A, MP4, MOV files up to 10 min by segmenting audio, applying voice‑activity detection, and deep‑learning scoring. Supports multiple languages, Chrome extension, desktop app, API.
Subscription
- $24.99
Aider is an AI-powered pair programming tool that helps developers collaborate with LLMs for editing, refactoring, and debugging code within Git repositories. It supports multiple languages and integrates with IDEs and editors for real-time updates.
Free
Free AI Image Detector analyzes images for AI generation with high accuracy in under 10 seconds. It supports JPEG, PNG, WEBP, and HEIC formats, providing a confidence score and authenticity explanation without storing uploaded files. No registration is needed.
Free
LogicBalls verifies user intent to cut hallucinations, offering a chat assistant that refines prompts. It provides access to 2,000+ AI tools, multiple language models, usage tracking, bookmarking, prompt library, performance comparison, community, and API integration.
Paid
AI Math Solver is a browser‑based tool that accepts text, typed input, or images of math problems and delivers step‑by‑step solutions across algebra, calculus, geometry, trigonometry, linear algebra, and word problems, with adaptive difficulty and a learning history.
Freemium
Walter Writes AI enhances AI-generated content by refining its structure and tone, making it indistinguishable from human writing. It supports over 80 languages and includes a built-in detection tool to identify AI-produced text.
Free trial
Detectordeia is a sophisticated tool designed to analyze texts, distinguishing between AI-generated content and human-written material by evaluating writing patterns, structure, and style.
Free
iAsk.Ai delivers instant, factual answers to natural‑language questions from authoritative web sources, and offers essay drafting, advanced grammar checks, academic summarization, PDF analysis, image generation, URL bullet‑point briefs, and one‑click grammar correction. Accessible via browser extens
Freemium
- $9.95/mo
Alice is an AI-powered virtual girlfriend offering engaging conversations and role-play without needing installation or registration via telegram.
Freemium
Copyleaks delivers AI text and image detection, plagiarism checking, grammar correction, and text moderation in 30+ languages. It integrates via API, LMS, browser extensions, and Google Docs, supports major LLMs, and ensures secure, compliant workflows for education and enterprise.
Free
- $13.99/mo
Answer.AI offers 24/7 AI tutoring from elementary math to AP courses, with step‑by‑step explanations, flashcards, a math camera, study‑group tools, progress tracking, scholarship guidance, and mental‑health tips, accessible via web, Chrome, iOS, Android.
Free
IELTSWriting.ai is an AI essay checker providing instant IELTS-aligned band scores (Task Achievement, Coherence, Lexical Resource, Grammar), line-by-line error highlights, examiner-style feedback, rewrite prompts, personalized study plans, CEFR checks, diagnostics, and task templates.
Free
- $13.9
Advacheck employs an AI engine to detect machine‑generated text from models like ChatGPT, Gemini, Llama, etc., flagging AI authorship and plagiarism with <0.5% false positives. It offers daily‑updated detection, academic integrity tools, and Moodle integration.
Free
MyDetector is a free tool that detects AI-generated text and humanizes it to ensure authenticity. It supports multiple languages, offers 99% accuracy, and refines content to match human-like quality.
Free
WeDetect.AI is an image detection tool that verifies whether images are AI-generated. Its efficient analysis assists users in combating misinformation, ensuring authenticity in online platforms, and validating visual content for various scenarios like shopping and social media.
Free
aipeoplesearch.ai is a reverse image people finder that uses facial recognition to scan the web for matching photos and their source URLs. It helps identify individuals, verify identities, and track image use by searching public sites and returning clickable links to original content.
Freemium
- $5.99
Dechecker AI is an AI content detector that identifies text generated by models like ChatGPT, Claude, and Gemini. It provides sentence-level analysis with highlighted passages and offers rewriting suggestions to enhance originality and readability.
Free
AISEO Free paraphrasing tool for content with high uniqueness
Free trial
InsightAI delivers AI‑driven fraud and AML intelligence, using device fingerprints, network signals, and behavioral analytics to detect fraud before transactions, automate case summarization, spot forged documents, and provide millisecond‑level real‑time risk scoring with explainable outputs for aud
Subscription
Checkforai is an AI tool that detects AI-generated content in written text, ensuring authenticity and helping prevent plagiarism and search engine penalization.
Free