Best Free AI Content Detection Tools
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Compare the Top Free AI Content Detection Tools as of November 2026
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What are Free AI Content Detection Tools?
AI content detection tools are software tools designed to detect whether a piece of text was written by an artificial intelligence system. These tools compare the text to a library of known AI-generated phrases and sentences, scoring it based on its similarity to those examples. The results can help provide insight into how much of the text was written by AI versus a human writer. Compare and read user reviews of the best Free AI Content Detection tools currently available using the table below. This list is updated regularly.
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1
Smodin
Smodin
AI is uniquely positioned to remove some of the biggest learning roadblocks facing students and writers today: writer's block, information overload, and conceptual gaps. Smodin is a multilingual student-focused company using AI to address students’ largest learning challenges. Inspired by the biggest challenges students and writers face, Smodin’s mission to make writing as stress-free as possible. We at Smodin believe writing shouldn’t hold anyone back. Be it language, understanding, or low talent, writing should be an avenue where anyone can express themselves completely, unimpeded. Currently a team full of intellectual and ambitious developers and product-focused innovators. We are placed throughout the globe, largely in Islamabad, Pakistan. We make it our priority that everyone works on impactful projects they enjoy. The team is currently led by our developer CEO, and we've taken a strong technical and product-focused mindset for what we do.Starting Price: $8 per month -
2
Grammarly
Superhuman
Compose bold, clear, mistake-free writing with Grammarly’s AI-powered writing assistant. Grammarly now organizes your writing feedback by theme, so you can see how each change will help your readers better understand your message. Get corrections from Grammarly while you write on Gmail, Twitter, LinkedIn, and all your other favorite sites. From grammar and spelling to style and tone, Grammarly helps you eliminate errors and find the perfect words to express yourself. Get started for free and find out what you can accomplish with the power of Grammarly at your fingertips. With Grammarly Business, every member of your team can compose credible, mistake-free writing that makes your business look good. Every email, web page, and social media post makes an impression on your customers. With Grammarly, you can be confident it's the right impression. High-quality writing is more than just mechanics. Grammarly Business goes deeper with real-time suggestions for improving readability.Starting Price: $12 per month -
3
Quillbot
Quillbot
Quillbot is an AI-powered communication and creation platform that helps people write, research, brainstorm, edit, design, and communicate more effectively. From AI Chat, paraphrasing, grammar checking, summarization, and translation to AI-powered presentations, image generation, image editing, PDF tools, and citation generation, Quillbot brings together everything needed to move from an idea to polished work in a single workspace. Whether you’re a student, professional, educator, marketer, researcher, or business team, Quillbot helps improve clarity, save time, and bring ideas to life across every stage of the creative workflow.Starting Price: $8/month/user -
4
Codespy
Codespy
Codespy AI Detector is a powerful tool designed to identify AI-generated code within software projects quickly and accurately. It supports popular programming languages such as Java, Python, JavaScript, C++, C#, and PHP. The platform helps developers find AI-written code from models like ChatGPT, Gemini, and Claude, which can introduce bugs or unexpected errors. Codespy integrates seamlessly with common development environments like Visual Studio Code and is available as a ChatGPT plugin. Its technology enables teams to create processes and guardrails around AI code usage to reduce risk and improve code quality. With simple pricing plans and no credit card required for the free tier, Codespy is accessible to individuals and businesses of all sizes.Starting Price: $27.98/month -
5
AI Aware
AI Aware
AI Aware is an advanced AI detection platform designed to identify AI-generated and AI-manipulated content across text, video, audio, and images. The platform helps organizations protect brand reputation, reduce fraud risks, and verify the authenticity of digital content in an era of rapidly growing generative AI usage. AI Aware uses an ensemble detection architecture that combines multiple machine learning and algorithmic models to improve detection accuracy and resilience against evolving AI generators. Its text detection tools can identify content produced by major language models such as ChatGPT, Claude, Gemini, Grok, and LLaMA. The platform also detects deepfake videos, AI-generated images, and synthetic audio, including voice cloning and manipulated recordings. AI Aware provides confidence scores and explainable outputs rather than simple binary results, helping users make informed decisions about suspicious content.Starting Price: $12 -
6
Lynote
Lynote
Lynote is an AI-powered learning and knowledge management platform that helps users turn videos, PDFs, articles, audio files, and web content into structured notes and flashcards. The platform automatically generates Cornell-style notes, extracts key insights, and creates spaced-repetition flashcards to improve long-term memory retention and study efficiency. Lynote supports AI-powered Q&A with exact citations, allowing users to ask questions about uploaded materials and receive reliable answers linked directly to source content. The platform also includes productivity tools such as AI detection, AI humanization, transcript generation, translation, summarization, and note generation for various learning workflows. Users can import YouTube videos, podcasts, research papers, meeting recordings, and articles into one centralized AI-powered knowledge system.Starting Price: $0/forever -
7
ZeroGPT Plus
MegaByte
ZeroGPT Plus is a free AI Content Plagiarism Checker that doesn't require a login. It's designed to spot content created by AI tools like ChatGPT, Gemini, Claude, and Copilot. Using advanced technology, it checks texts against a large database to find signs that content might have been generated by AI. Plus, this tool can also make AI-written content sound more human and natural. You can even choose from different languages and styles to suit your needs.Starting Price: $0 -
8
Zhuque AI Detection Assistant
Tencent
Tencent’s Zhuque AI text detection assistant uses multiple advanced AI models trained on vast datasets to recognize writing patterns from both humans and AI. It is highly effective in detecting AI-generated text in English and performs exceptionally well with Chinese content. In addition to text, Zhuque offers an image and video detection tool that determines if media is fully AI-generated or human-created. This detector is trained on millions of images and videos spanning photography, digital art, paintings, posters, movies, and short videos. It currently supports detection for outputs from major AI generation models in the market. The system continues to expand its capabilities to cover more AI models over time.Starting Price: $0 -
9
TextShift
TextShift
TextShift is an AI-powered content platform offering AI detection, text humanization, and plagiarism checking with 99% accuracy. Features include 14 writing tools: AI Detector, Humanizer, Plagiarism Checker, Grammar Checker, Paraphraser, Summarizer, Translator, Citation Generator, Word Counter, Readability Checker, Tone Analyzer, Text Comparator, Outline Generator, and Title Generator. Designed for content creators, students, marketers, and businesses who need to ensure their content is original, human-quality, and free from AI detection flags.Starting Price: Free -
10
TruthScan
TruthScan
TruthScan is an AI fraud prevention software. It detects AI-generated images, videos, audio, and documents. It also includes a "capture" service that captures camera and device details to ensure submitted images and videos are from real devices. It's AI image detection functionality tests at 99.3% accuracy. Banks, insurance organizations, fraud investigators, and government agencies trust TruthScan to prevent AI fraud. The software is fully customizable to each business use case and includes a front end dashboard, API access, and MCP connection capabilities that allow it to plug into any platform or system.Starting Price: $29/month -
11
StudyXY
StudyXY
StudyXY is an AI-powered study suite that helps students write better, learn faster, and boost grades. ✍️ AI Writer – Draft essays, research papers, and assignments with real citations. 🧮 AI Homework Helper – Step-by-step solutions for math, science, and more. 📄 Document Chat – Upload PDFs or notes and chat directly with them. 🧠 Flashcard Generator – Turn notes into smart flashcards. 📝 AI Test Prep – Create personalized quizzes and mock tests. 🔍 Plagiarism Checker and 🤖 AI Detector ensure originality and academic integrity. StudyXY is ad-free, privacy-focused, and available on Windows, Android, and Web. -
12
amige.
amige.
amige. checks whether an image, video, or text is AI-generated. it runs a weighted panel of independent detectors, fuses their reads, and shows you where they disagree. when the evidence splits, it says "uncertain" instead of guessing. every verdict comes with a confidence percentage, the per-detector breakdown, and a best guess at which of 90+ generative models made it (midjourney, sora, flux, stable diffusion). video detection is included, which text-only checkers can't run. it also reads C2PA Content Credentials and SynthID provenance. free tier: 3 scans a day, no card.Starting Price: Free; Pass $9/month -
13
Quetext
Quetext
We offer a complete suite of writing and integrity tools designed to support writers at every stage of the process. From identifying plagiarism with our Plagiarism Checker and evaluating content with the AI Detector, to refining ideas using AI TutorMe™ (AI Paraphraser), AI Summarizer, and Grammar Checker, our platform helps writers create clearer, more original work with confidence. Once your tools are in place, accuracy matters. That’s where our technology comes in. Using contextual analysis, intelligent word placement, and advanced algorithms, our software pairs speed with the precision of DeepSearch™ technology. Trusted by more than 5 million students, educators, and professionals, DeepSearch™ scans deeply and intelligently to surface potential issues without slowing you down. Our focus is simple: to promote ethical writing through originality and correct citation. We believe the most effective way to achieve that is by providing intuitive, writer-first technology that empowerStarting Price: $8.25 per user per month -
14
Content at Scale
Content at Scale
Content at Scale is an AI content writing platform that empowers SEO marketers to create high-quality, engaging, and fully original content in a scalable and efficient manner. Its advanced AI technology can generate long-form, research-backed 2,500+ word SEO blog posts in just five minutes, crawling Google on the spot to parse top-ranking content and put together an entire long-form SEO blog post. This is not an AI writing assistant, but a human-level long-form machine. With over 40 million words produced per month by users, it can write long-form SEO content for any industry and general informational search terms. By adapting to its innovative AIO model, Content at Scale helps agencies and marketers save 10-25x on the typical time and cost of human-only content creation. Its user-friendly interface makes it easy for anyone to create content structured for search, even those with no prior experience in SEO content. Content at Scale also offers an AI content detection tool.Starting Price: $250/month -
15
Leap AI
Leap AI
Create beautiful images effortlessly with AI Image Generator tool by Leap AI AI Image Generator tool by Leap AI helps you create stunning images from text prompts, which can be useful for various purposes such as marketing, content creation, and personal projects. It ensures you have high-quality visuals to enhance your work. To get the best results, provide detailed and descriptive text prompts. The more specific your input, the more accurate and visually appealing the generated images will be.Starting Price: $7 per month -
16
Netarx
Netarx
Netarx Identity Key (NIK) detects deepfakes and AI impersonation in real time across video meetings, phone calls, email and text messages. It runs on Windows, Mac, iOS and Android and in Chrome, and its meeting bot can join any Teams, Zoom, Google Meet or Webex meeting that allows recording. NIK combines 40 AI models, Netarx's own and third-party, with more than 1,000 signals: voice and video analysis plus device, network, IP and location, email and calendar metadata, and communication history. Each participant gets a green, yellow or red verdict. Continuous identity verification works with Microsoft Entra and other identity providers and confirms each participant matches the email and calendar invite. False-positive rate in customer production meetings: 0.3%. Contact-center support covers Five9, Genesys, Cisco and Microsoft Teams. Free for individuals and teams of 10 or fewer, then $5 per user per month; Enterprise is $10 per user per month.Starting Price: $5 per user per month -
17
Sapling AI Writing Assistant
Sapling Intelligence
AI writing assistant for customer-facing teams. Sapling sits on top of CRMs and messaging platforms to help agents more efficiently compose personalized responses. Managers gain conversational insights to coach and prepare teams. Sapling provides functionality for autocomplete, spelling and grammar checking as well as snippets/canned messages/text expander. All services can be self-hosted, provided on-premise or cloud-premise to meet enterprise security and privacy requirements. Spelling and Grammar checking APIs allow users to integrate Sapling's language models into custom applications and use cases. Sapling Suggest retrieves relevant responses from a team knowledge bank and allows agents to respond more quickly to customer inquiries by simply clicking on the desired response. Empower agents instead of providing brittle, decision tree-based chatbots.Starting Price: $25 per month -
18
Copyleaks
Copyleaks
We’re a leading AI text analysis platform dedicated to empowering businesses and educational institutions as they navigate the ever-evolving landscape of genAI through responsible AI innovation, balancing technological advancement with integrity, transparency, and ethics. Since our founding in 2015, we’ve harnessed the power of AI to empower authenticity and originality. With an award-winning suite trusted by millions, we ensure AI governance and responsible AI adoption, safeguard IP, confirm copyright compliance, and maintain academic integrity with comprehensive content detection. Copyleaks, where technology meets integrity. The AI Grader By Copyleaks is a cutting-edge AI test grader that boosts efficiency, reduces errors, removes all bias, and accurately grades thousands of tests in minutes.Starting Price: $7.99/month -
19
GPTZero
Superhuman
GPTZero is a leading AI detection platform built to preserve human-authored writing in an era of generative AI. It accurately identifies content written by models such as ChatGPT, GPT-5, Gemini, Claude, and Llama. The platform combines AI detection with writing quality analysis to provide deeper insight into how text was created. GPTZero offers tools like Advanced Scan, plagiarism checking, and hallucination detection for reliable verification. Its Google Docs integration allows users to watch writing replays and identify copy-paste behavior or unnatural typing patterns. GPTZero is widely used in education and professional settings to promote transparency and trust in writing. Independent benchmarks rank GPTZero among the most accurate commercial AI detectors available.Starting Price: $12.99/month -
20
Kazan
Kazan
So this is a totally free content optimizer based on co-relation to the top 10 Google results for any given keywords, this includes entities, NLP, and it’s totally transparent without hiding or making up keywords for you to optimize. That’s right, you heard it, a free forever and unlimited content optimizer. It grabs the top 10 results in google for any given phrase, extracts its content (including anchors), and co-relates its content to find similarities of keywords they use if there’s a consensus of the majority of the results (6 or more) it then adds it to a list of keywords you should include into your content, it averages it out the occurrences of those keywords in the top 10 results and it guides you into including those keywords into your content. Unlike competitors, we will be free forever and unlimited. The tool's in development, any features you want to be added post them in the FB group. You should optimize your articles more than once to keep up with the top performers.Starting Price: Free -
21
ZeroGPT
ZeroGPT
ZeroGPT is a powerful and free AI detection platform designed to identify AI-generated content from models such as ChatGPT, GPT-5, Gemini, Claude, Grok, DeepSeek, and LLaMA. It analyzes text with high accuracy and highlights AI-written sentences while displaying an overall AI probability score. ZeroGPT supports multiple languages and provides detailed, automatically generated PDF reports that can be used as proof of originality. The platform goes beyond detection by offering a full suite of writing tools, including plagiarism checking, grammar correction, paraphrasing, summarization, and translation. Its intuitive interface allows users to paste text or upload files for instant analysis. ZeroGPT is widely used by individuals and organizations seeking fast, credible AI detection without barriers. Millions of users rely on it for transparent and reliable content verification.Starting Price: $7.99/month -
22
Illuminarty
Illuminarty
Detect AI-generated images, synthetic, tampered images, and deep fakes. We offer various functionalities to help our users understand the generation of images through AI. Check whether or not an image has been AI-generated, from which AI model it has been generated, and which regions of the image have been generated. Find out the probability of AI generation for a given image. Illuminarty combines various computer vision algorithms to provide the likelihood of the image being generated from one of the public AI generation models. Find out the probability of AI generation for a given text. Illuminarty combines various NLP algorithms to provide the likelihood of the text being generated from one of the public AI generation models. We denote the specific passages from the given text that are most likely the result of AI generation. We are working on a web browser extension that lets us use our detectors while we surf on the internet.Starting Price: $10 per month -
23
SciSpace AI Detector
SciSpace
Catch GPT-4, ChatGPT, Jasper, and other AI writers’ presence in scholarly content. Academic integrity is everything even though we’re living in the time of AI writing assistants. SciSpace’s AI detector helps you identify human from artificial in scientific literature. Pair our output with further investigation and ensure you maintain authenticity in academia. Whether you have freeform text or an essay saved as a PDF, you can get quick and easy AI detection reports. All you need to do is paste your content in the text editor or upload your doc. Our AI detector is tailor-made for essays, assignments, and papers. With an accuracy of 98%, it gives reliable results, which should be enough, along with your judgement. for you to take appropriate action. Receive and download a comprehensive report on the whole document as well as on a sentence level, highlighting how much and the parts that are AI-generated text. Edit them and bring down the AI-content score.Starting Price: Free -
24
AI Detector Pro (AIDP)
AI Detector Pro
We scour the latest outputs from ChatGPT and other AIs every day and constantly update our recognition algorithm. If you find an AI detector that performs better, send us the results for your money back. AIDP detects AI in English, Spanish, and German documents. From there, it highlights text in your document that triggers AI detectors. For English text, it also shows you text that AI models predict and and highlights overused AI words and phrases.Starting Price: $13.99 -
25
Nuanced
Nuanced
We detect AI-generated images to protect the integrity and authenticity of your service. AI-generated spam, abuse, and fraud are on the rise. User-generated content platforms are contending with an increased amount of fraud, deepfakes, and inauthentic content. Advanced models generate content that appears authentic and convincingly human-like, making it difficult for established systems to distinguish between genuine human-authored artifacts and AI-generated content. Our algorithms stay ahead of the accelerating changes in AI content generation. Our research team is at the forefront of building scalable models to detect AI-generated content. Our API allows integrators to quickly and easily leverage state-of-the-art AI models so you can focus on your business. Many existing systems compromise user privacy by collecting and utilizing personal data without clear consent. We believe in privacy-first solutions.Starting Price: $29 per month -
26
AI or Not
AI or Not
Detect AI-generated images & audio for your business and yourself, with AI or Not. Check for generative AI in seconds to reduce fraud rates and prevent the latest scam. Protect music copyright by detecting if an artist’s voice was used in AI-generated audio. Empower your trust and safety team with AI content detection. Identify deepfakes with accuracy and transparency. Safeguard identity verification and KYC compliance against AI-generated synthetic IDs. AI or Not is a web service that helps users quickly and accurately determine whether an image has been generated by artificial intelligence (AI) or created by a human. If the image is AI-generated, our service identifies the AI model used. We offer the AI or Not API for bulk image analysis and seamless integration into your platform. AI or Not is free to use for analyzing single images. We offer a premium API service for bulk image analysis or commercial use.Starting Price: $5 per month -
27
Detecting AI
Detecting AI
Discover unparalleled accuracy and ease with our AI checker, trusted by experts for superior AI content identification. Highlights each AI-written sentence, showing the percentage of AI used in the text visually. Engineered for unmatched precision, our AI checker accurately identifies AI-generated content efficiently. Designed for ease of use, our intuitive interface ensures a smooth, straightforward user experience. Begin identifying AI-generated content right away without any account setup. Your submissions stay confidential. We never store or share your data. Our ai checker provides comprehensive coverage of various AI models, enabling us to identify AI-generated content created by ChatGPT, Gemini, Jasper, Claude, and other similar models. We continuously train our system to detect new models like GPT4 automatically, ensuring that our AI detector stays up-to-date with the latest AI technology advancements.Starting Price: $5 per month -
28
Avoid.so
Avoid.so
Avoid.so is a powerful AI humanizer platform that transforms AI-generated text into human-like writing designed to bypass major AI detection systems such as GPTZero, Turnitin, Originality.AI, Copyleaks, and others, with a reported 99.8% success rate. It supports content in 50+ languages, preserving the original message, tone, and intent while adapting AI patterns into more natural expression. The platform delivers lightning-fast processing capable of humanizing thousands of words in seconds, powered by enterprise-grade infrastructure with SOC 2 compliance and 99.99% uptime. Functioning on a credit-based system, users receive 600 free word credits to start, with various paid tiers offering monthly word quotas and request limits tailored to usage needs. High-volume users and businesses benefit from premium AI detection avoidance, priority processing, API access, custom integrations, and dedicated account management on advanced plans.Starting Price: $4.99 per month -
29
Ryter
Ryter
Ryter.pro is a web-based writing tool that helps users transform AI-generated text into natural, human-like writing. Its core feature rewrites machine-written content so it reads more like a human wrote it, preserving the original meaning while changing style, tone, and structure to make it difficult for AI-detectors to flag. It also includes a content detection module and other text-processing utilities. With a simple workflow, you paste in your AI-generated text, press “Humanize,” and receive a rewritten version that aims to bypass detection systems such as Turnitin, GPTZero, and Originality.ai. Ryter.pro emphasizes privacy: your content is not stored on its servers, and processing happens in real time before being deleted. It supports a REST API, enabling integration into automated workflows, useful for writers, marketers, or developers who need programmatic access.Starting Price: $6 per month -
30
Pangram
Pangram
Pangram is an advanced AI detection platform designed to accurately identify AI-generated text across a wide range of modern language models. It can detect writing produced by tools such as ChatGPT, Claude, Gemini, Perplexity, and other leading LLMs. The platform is third-party verified and known for its near-zero false positive rate, even when analyzing work from non-native speakers. Pangram provides clear AI likelihood scores that help users understand whether text is human-written, AI-generated, or a mix of both. It supports multilingual detection across more than 20 languages, making it suitable for global use. Pangram integrates seamlessly with tools like Google Docs, Canvas, and Chrome for in-workflow analysis. The system is trusted by educators, publishers, enterprises, and trust & safety teams worldwide.Starting Price: $20/month
