GPTZero
gptzero.me
AI Detector - Free AI Checker for ChatGPT, GPT-5 & Gemini
Best free AI detector - simply paste your text to instantly get an overall AI score and advanced sentence by sentence detection.
Pricing
The World's #1 AI Content Detector with over 8 Million Users
For studentsTools to improve your writing and avoid false accusations
GPTZero is the #1 AI Detector for Students. Check AI-written text, improve essays, and get plagiarism checks with free and advanced student plans.
For teachersFoster academic integrity in the classroom
Try our AI grading assistant that ... it for free · All data is secured by industry leading data protections such as AICPA, FERPA, and SOC2. ... Detect AI use in student writing. With 99% accuracy, use the world’s best AI detector to identify AI-generated content. Encourage originality with downloadable reports featuring in-depth analysis of AI vs. human text and classroom ...
Plagiarism CheckerDetect content from outside sources
Presenting AI-generated text as your own can also count as plagiarism in many cases. In our tests and third party studies, our AI detector’s accuracy is over 99% in identifying pure AI-generated content. Yes. GPTZero offers a free plan that covers up to 10,000 words per month.
Scribbr
scribbr.com › home › free ai detector
Free AI Detector
May 20, 2025 - Scribbr’s AI Detector can confidently detect most English texts generated by popular tools like ChatGPT, Gemini, and Copilot. Our free AI Detector can detect texts written using GPT2, GPT3, and GPT3.5 with average accuracy, while our Premium AI Detector has high accuracy and the ability to detect GPT4.
Videos
16:54
AI Detector Bypass - Learn to Manually Humanise AI content with me!
16:36
I Can Spot AI Writing Instantly - Bypass ChatGPT Detectors for ...
04:48
Can we detect AI-generated text? - YouTube
08:13
How To Detect AI Generated Text & Humanise Text | Without Cheating ...
03:18
Stop Using Normal AI Text… This Tool Makes It Undetectable 🤯 ...
Can someone here PLEASE tell me what is the best FREE AI Detector that actually works/ if there isn't one: are your colleges helping fund it?
There will never be a reliable one. More on reddit.com
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March 30, 2025What's a good AI detector?
US Constitution was written by AI as per AI Detector Tools. They're useless and waste of time More on reddit.com
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August 15, 2023Which is the best AI detection tool or website?
There are no accurate AI detectors, free or paid. Why do you want one? More on reddit.com
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January 18, 2025What is a trustworthy AI-detection tool?
There is none, they are all scams. It is not possible to detect AI generated text. Please do some research. Also, please do not use AI to get your college degree.... https://www.google.com/search?q=ai+detectors+are+scams More on reddit.com
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May 5, 2024Can the AI Detector detect mixed text where human-created text has been amended with AI-generated text?
Yes. Our detection report identifies specific elements written by humans and distinguishes them from AI-generated text, even when mixed.
copyleaks.com
copyleaks.com › home › ai detector
AI Detector - Free AI Checker for ChatGPT, GPT-5, Gemini & More
What is the best AI detector?
GPTZero is consistently rated the most accurate and reliable AI detector across various use cases. Reliability: In 2025, G2 ranked GPTZero the #1 most trusted and reliable AI tool, above Grammarly. Accuracy: GPTZero is the most accurate AI detector with 99% accuracy rates across diverse datasets, independently reviewed by AI labs at top institutions. Independent reviewers, including Tom's Guide, testing all popular detectors named GPTZero the most accurate. Best Interpretability: GPTZero is the only detector that explains exactly why text is AI with natural language. GPTZero also has the most
gptzero.me
gptzero.me
AI Detector - Free AI Checker for ChatGPT, GPT-5 & Gemini
What is the best AI Detector?
Copyleaks is an industry leader in accuracy, scalability, integration, and security.
Several significant differences exist between our AI content detection tool and the rest of the market. For example:
- We use large-scale, credible data with machine learning to understand text patterns, resulting in over 99% accuracy.
- We offer seamless API and LMS integrations.
- The detector can analyze and identify AI-generated code, even if altered.
- Our AI checker doesn’t flag non-AI features of Grammarly, like spell check and grammar, unlike other tools.
- All Copyleaks products are fully GDPR-compliant and certified to SOC 2 and SOC 3 standards.
copyleaks.com
copyleaks.com › home › ai detector
AI Detector - Free AI Checker for ChatGPT, GPT-5, Gemini & More
MyDetector
mydetector.ai
Free AI Detector - Accurate AI checker for chatGPT & More
MyDetector AI checker free tool and writing assistance tool provides precise assessments of your work, including ai detector for essays, helping you identify areas that need optimization and refinement,ensuring content authenticity.
Originality AI
originality.ai
AI Detector - Most Accurate AI Content Checker for ChatGPT - Originality.ai
Originality.ai's Free AI Detector - Use our free AI checker to identify if text was generated from a popular AI platform like ChatGPT, Gemini, Claude, Grok and others.
QuillBot
quillbot.com › ai-content-detector
AI Detector & AI Checker - Detect ChatGPT, GPT-5 & Gemini Text
QuillBot's Free AI Detector - Use our AI checker to analyze text and identify content generated from ChatGPT, GPT-5, Gemini, Claude, and other AI platforms.
NoteGPT
notegpt.io › ai-detector
AI Detector & Checker - Trusted, Free for ChatGPT, Claude, Gemini
NoteGPT's free AI Detector accurately identifies AI-written content. Use our trusted AI text detector to check for ChatGPT, Claude, and Gemini text with ease.
Texas Tech University
guides.library.ttu.edu › artificialintelligencetools › detection
AI Detection - Artificial Intelligence Tools for Detection, Research and Writing - Guides at Texas Tech University
1 week ago - This free AI Detector and AI Content Detector can be used to detect any AI-generated content. It provides a probability score based on the likelihood that the text content was generated by AI tools or chatbots.
Logically
logically.app › free-ai-text-detector
Free AI Text Detector | Easily Check if Your Writing Is AI Generated in Logically
Use Logically’s free AI Text Detector to quickly see what percentage of your writing is AI-generated. Type, paste, or upload any text, and get instant results.
ZeroGPT
zerogpt.com
AI Detector - Trusted AI Checker for ChatGPT, GPT5 & Gemini
AI Content Detector and ChatGPT Detector, simple way with High Accuracy. AI Checker & AI Detector Free for AI GPT Plagiarism by ZeroGPT.
Copyleaks
copyleaks.com › home › ai detector
AI Detector - Free AI Checker for ChatGPT, GPT-5, Gemini & More
The Copyleaks AI text detector helps you find AI-written content with over 99% accuracy, even when it’s carefully blended with human writing. Our award-winning AI detector will help you better understand and utilize AI assistance on your blog ...
Ryan Robinson
ryrob.com › home › ai detector: free ai content detector (for chatgpt & more)
Free AI Detector (No Login, 100% Free) AI Content Detector
April 21, 2025 - The AI detector is completely free for unlimited use, so if you want to check a really long piece, that’s no problem. Just break it up into shorter sections and run each one through the AI tool in turn.
Grammarly
grammarly.com › ai-detector
AI Detector: Free AI Checker for ChatGPT, GPT5 & Gemini
Get a clear score that shows where AI may appear in your text so you can use AI with peace of mind. ... Go beyond with Grammarly.Get Grammarly It's freeJoin millions who write better, faster with Grammarly. ... Transparent, responsible AI use without all the guesswork: Grammarly’s AI content detector ...
Gowinston
gowinston.ai › home
The Most Trusted AI Detector | ChatGPT Detection Tool
December 27, 2022 - Our OCR (Optical Character Recognition) technology effortlessly extracts text from scanned documents or pictures, even those written in handwriting. ... Our AI detector will let you know, on a scale of 0-100, the percentage of odds a text is ...
Reddit
reddit.com › r/professors › can someone here please tell me what is the best free ai detector that actually works/ if there isn't one: are your colleges helping fund it?
r/Professors on Reddit: Can someone here PLEASE tell me what is the best FREE AI Detector that actually works/ if there isn't one: are your colleges helping fund it?
March 30, 2025 - try https://quillbot.com/ai-content-detector it even has a chrome extension that suggests new words, reformulates, and corrects mistakes. for everything you write, it's your choice to do it or not, but it's pretty nice. It's doing it right now as I'm writing this (I'm choosing to make mistake anyway lol) ... Proofademic is the only thing that's actually worked for me when it comes to making AI text undetectable. i've tried all the free detectors (and even the paid ones like Turnitin + GPTZero), but they're super hit or miss.
Storychief
storychief.io › blog › free-ai-content-detector-tools
8 Best Free AI Detector Tools in 2026 (Reviewed)
November 21, 2024 - ... Conclusion: ZeroGPT’s result is closer than Surfer AI’s, but it still falls short compared to other tools. It seems to underestimate AI content but still does a better job than some other AI detectors.
Pangram Labs
pangram.com
Pangram Labs | Accurate AI Detector for ChatGPT & More
Our AI detection tools are a way to identify AI-generated text and restore user trust in text. Pangram can detect AI-generated content in both short-form and long-form written content, with up to 99% accuracy.
Published November 15, 2025
My Essay Writer
myessaywriter.ai › home › ai content detector
AI Content Detector & AI Checker Tool - Try For Free!
Enjoy over 87% - 88% accuracy with minimal false positives using our AI writing detector, ensuring reliable content detection in 90 seconds. Try our AI checker free with no sign-up or subscription required. Discover how it validates the authenticity of your content risk-free.
AI Detector Writer
aidetectorwriter.com
AI Content Detector | Trusted GPT-5, and Free AI Detector
A free AI detector is your assistant that helps spot text generated by AI, like GPT models.
Undetectable AI
undetectableai.pro
Undetectable AI - Absolutely Free
Undetectable AI is completely free, allowing you to easily convert your AI-generated content into text that closely resembles human writing, without any additional expenses. ... With a user-friendly interface Bypass AI rephrases your text in ...
SciSpace
scispace.com › home › ai detector
AI Detector & Checker for Text, PDFs | Fast & accurate - SciSpace
SciSpace AI Detector instantly spots ChatGPT, GPT-4, Gemini, Llama and Claude’s text, rates originality, and explains risky lines. Proven to outperform GPTZero, ZeroGPT, and Grammarly.