AI Detection
The best 50 AI Detection tools - Free & Paid
Explore 50 AI for AI Detection
ZeroGPT is a comprehensive AI tool suite offering advanced features for content detection, text refinement, and translation, including AI detection, plagiarism checking, humanization, and summarization.
Freemium
- $7.99/mo
GPTZero AI Detector scans documents for potential AI-generated content, providing in-depth results on AI probabilities, vocabulary analysis, and hallucination detection, as well as plagiarism checking and authorship verification capabilities.
Freemium
- $12/mo
Undetectable AI scans text and images for signatures of models like GPTβ4, 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
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
Originality.ai evaluates text for AI generation, plagiarism, factual accuracy, readability, grammar, and SEO. The Chrome extension and web app enable onβpage checks, bulk scanning, PDF uploads, and API integration for writers and editors.
Free trial
- $12.95/mo
Decopy is a free AI content detection tool with 99% accuracy, capable of identifying AI-generated text, providing detailed reports, and enhancing text quality. It supports multiple languages and is user-friendly and versatile.
Free
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
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
Winston AI is an AI tool that detects AI-generated content and plagiarism. It allows users to categorize and label documents easily and efficiently.
Free trial
WriteHuman AI Humanizer refines ChatGPT, Claude, Gemini, and Deepseek outputs into natural prose, preserving the authorβs voice. It offers readability scanning, AI detection, multiple variations, wordβcount control, and web/API access for batch workflows.
Freemium
- $0.75/mo
Semihuman.ai converts AIβgenerated text into natural, undetectable prose that passes Turnitin, GPTZero, and ZeroGPT. The web and API tools rewrite up to 250 words in 10β30 seconds, preserving keyword density and readability for SEO and academic use.
Freemium
- $6/mo
The AI plagiarism checker from plagiarismcheck.org uses advanced AI technology to detect AI-generated content and plagiarism, supports various file formats, and is useful in academia, SEO, and recruitment.
Freemium
- $5.99
ContentDetector.AI is a free tool that identifies AI-generated written text, including Chat GPT and GPT 3 content, and provides an estimated percentage score of AI generation likelihood.
Free
PlagiarismSearch.com compares submitted text to a vast database of web pages, journals, and printed sources, highlighting matches and providing similarity reports, AIβcontent detection, readability checks, spellβcheck, and API integration for realβtime academic integrity.
Paid
ZeroGPT Plus detects AIβgenerated text from models such as ChatGPT, Gemini, and Claude with high accuracy. It delivers instant analysis, confidence scores, sentenceβbyβsentence breakdowns, and actionable improvement suggestions in multiple languages and file formats.
Paid
AI Detector Pro provides comprehensive recognition of AI-generated text and includes advanced features to manage AI generation reports efficiently.
Free trial
Illuminarty is an AI tool that detects AI-generated images and texts using computer vision and NLP algorithms. It offers a browser extension and API for automated detection.
Freemium
ZeroGPT is a webβbased AI detector that evaluates text for content from models like ChatGPT, GPTβ4, Claude, and more, delivering a percentage score. It accepts up to 2,000 words paste, unlimited uploads, runs locally, and offers a Chrome extension.
Freemium
Lunchbreak AI scans documents with Turnitin, GPTZero and other detectors, highlights AIβflagged sections, and offers oneβclick rewriting that preserves meaning and voice. It supports academic, research, and business writing, ensuring detector compliance without loss of originality.
Freemium
ZeroGPT detects AIβgenerated text from models such as GPTβ4, LLaMA, Claude, and Jasper. It returns a percentage of AI content, sentenceβlevel flags, and a readability score, helping educators, writers, and SEO professionals verify authenticity.
Free
Gptkit is an AI tool that detects and classifies human-written and machine-generated text using a multi-model approach with accuracy up to 93%.
Freemium
AI Voice Detector identifies AIβgenerated speech with up to 99β―% accuracy. It analyzes MP3, WAV, OGG, M4A, MP4, MOV files up to 10β―min by segmenting audio, applying voiceβactivity detection, and deepβlearning scoring. Supports multiple languages, Chrome extension, desktop app, API.
Subscription
- $24.99
X Detector analyzes up to 5,000 characters, giving perβword 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
Deepfake Detector analyzes audio, video, and image files with up to 95β―% accuracy, offering noise removal, probability scores, confidence levels, and multilingual support. It includes a Chrome extension for web checks and an API for realβtime verification in business communications.
Paid
AI Detector Deutsch identifies whether German text is human or AIβgenerated by analyzing linguistic patterns, syntax, and context. It highlights AIβcreated sections, enabling rapid authenticity checks for academic work, research, and content creation.
Freemium
UndetectedGPT is an AI tool that humanizes AI-generated text to bypass detection. It transforms content by adjusting its tone and flow to ensure it remains undetectable by systems like Turnitin.
Freemium
AI Content Detector evaluates text for AI authorship, handling uploads up to 4β―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
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
Introducing Truebees, the first deepfakes detector designed to combat the spread of AI-generated portraits on social media platforms. Truebees helps verify the trustworthiness of images, detect deepfakes, and prevent the sharing of AI-generated images.
Freemium
Advacheck employs an AI engine to detect machineβgenerated text from models like ChatGPT, Gemini, Llama, etc., flagging AI authorship and plagiarism with <0.5% false positives. It offers dailyβupdated detection, academic integrity tools, and Moodle integration.
Free
Layly is an Ethereum-based AI tool combating fake news and deepfakes by analyzing images, videos, and audios. It detects manipulated media, fosters media literacy, and provides functions like image classification and media authenticity verification.
Freemium
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
AiβSpy analyzes MP3/WAV files to distinguish human from AIβgenerated speech. It offers dragβandβdrop uploads or link input, instant authenticity scores, wordβlevel breakdowns, exportable reports, and a SOCβ―2βcertified API for workflow integration.
Free
Aithenticate enhances AI transparency by allowing users to easily disclose content originsβAI-generated or human-createdβthrough a WordPress plug-in. It ensures compliance with regulations and promotes clarity with visual indicators and custom disclosures.
Freemium
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
Checkforai is an AI tool that detects AI-generated content in written text, ensuring authenticity and helping prevent plagiarism and search engine penalization.
Free
AI Text Detector Online Free - aitextdetector.online can detect if text is written by humans or AI.
Free
ZeroGPT Detector is a widely trusted AI-powered plagiarism checker that accurately detects AI-generated content and supports multiple languages.
Free
AI Content Detector analyzes text to determine whether a human or AI wrote it. It accepts plain text or uploads, provides confidence scores and explanations, supports multiple languages, and includes stepβbyβstep instructions and a video tutorial.
Freemium
- $99/mo
AI Detector identifies AI-generated content in videos, images, audio, and text. It helps verify the authenticity of digital materials, enhancing security in sectors like education, media, and business by supporting responsible content consumption and combating misinformation.
Subscription
Plagiarism Guard is a real-time plagiarism detection tool that integrates with Google Docs, ensuring text originality for users such as students and professionals. It not only identifies copied content but also features advanced AI detection and rewriting capabilities, enhancing readability and conf
Free trial
- $9.99/mo
Nuanced is an AI tool that detects authenticity in digital content, differentiating genuine human-created content from AI-generated material. It offers privacy-focused operations and easy API integration for effective spam and abuse mitigation on user-generated platforms.
Subscription
TrueMedia.org offers AI-driven tools to detect political deepfakes on social media platforms, helping users assess the authenticity of video and audio content. It promotes informed discussions and addresses the challenges of misinformation in the digital landscape.
Free
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
Parafact is an AI-driven fact-checking tool that evaluates text for accuracy using reliable sources. It supports various domains, provides source citations, and offers an API for developers to integrate fact-checking into their applications efficiently.
Subscription
AI Detector analyzes texts of at least 80 words to identify AI-generated content from various models. It produces detailed reports with confidence scores, aiding educators and students in evaluating academic submissions across multiple languages.
Free
Detector AI is a free text detector that identifies AI-generated text from models like ChatGPT, Claude, and Gemini using advanced NLP algorithms. It offers a user-friendly interface for analyzing content, highlighting AI vs. human contributions, and ensuring originality for students, researchers, an
Free
AITextChecker.pro is an AI-powered tool that detects AI-generated content from models like ChatGPT, GPT-4, and others with over 97% accuracy. It offers instant, detailed analysis in multiple languages, supports bulk checking, and ensures privacy by not storing content.
Free trial