QuillBot
quillbot.com › ai-content-detector
AI Detector & AI Checker - Detect ChatGPT, GPT-5 & Gemini Text
It can detect content from major models, including ChatGPT, Gemini, Claude, and Llama, and accurately distinguish between fully AI-generated text and content that has been refined using assistive writing tools. AI detectors are widely used by educators, businesses, publishers, and content creators ...
Copyleaks
copyleaks.com › home › ai detector
AI Detector - Free AI Checker for ChatGPT, GPT-5, Gemini & More
We’re not here to help you bypass AI detection—we’re here to help you understand it. Whether you’re a student checking if your paper might raise red flags or a writer making sure your content doesn’t read like low-effort AI, Copyleaks gives you the tools to work with AI responsibly, ...
Videos
11:19
Which AI Detection tool is similar to TURNITIN new detection tool ...
09:25
The SHOCKING Truth About AI Detection Tools That REALLY ...
08:32
The ONLY AI That Passes AI Detection Tools (99%) - YouTube
08:34
5 Free AI Detection Tools (for Research Paper & PhD Thesis) II ...
08:37
3 Best Free AI DETECTORS — I Tried Them All - YouTube
08:35
Top FREE AI Detection Tools You Need Now - YouTube
How do I use GPTZero's AI detection tool?
You can start using GPTZero straight away in 3 easy steps: Paste Text or Upload Document: Paste in raw text or upload your file for review and press 'Scan'. For scans over 10,000 characters, create a free account first. See Your Results: GPTZero will suggest what percentage of your text is likely to be AI-generated and highlight the specific phrases it has detected. Download our Chrome Extension for Google Docs and web: View AI detection and typing pattern metrics on any page, allowing you to spot AI-created content with ease.
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
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
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.
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.
NoteGPT
notegpt.io › ai-detector
AI Detector & Checker - Trusted, Free for ChatGPT, Claude, Gemini
Fast, accurate, and free online detection with no login required! Try AI Detector Now. Enter the text you want to check, or upload an image or file. The AI Detector supports multiple content formats, ensuring ease of use for everyone.
Scribbr
scribbr.com › home › free ai detector
AI Detector - Trusted AI Checker for ChatGPT, Copilot & Gemini
May 20, 2025 - Identify AI-generated content, including ChatGPT and Copilot, with Scribbr's free AI detector ... Ads help us keep our tools free for everyone.
Pangram Labs
pangram.com
Pangram Labs AI Detection
Our models can identify AI-generated content in a body of text to facilitate conversations around human authorship. Our AI detection is accurate and proven to be unbiased against non-native speakers. ... Pangram's transparency tool reliably ...
Published March 27, 2025
MyDetector
mydetector.ai
Free AI Detector - Accurate AI checker for chatGPT & More
Effortlessly detect AI-generated text using this free checker tool, which supports uploading large files in multiple formats. With the MyDetector AI detector with upload file features, you can quickly analyze documents, presentations, and PDFs ...
Decopy
decopy.ai › ai-detector
AI Detector - Trusted AI Checker (Free & No SignUp)
Decopy’s free AI Detector is the best AI Checker tool that can be used to detect content generated by AI models such as ChatGPT, Gemini, Claude, LLaMa, etc. It has an accuracy rate of up to 99% and supports multiple languages.
Grammarly
grammarly.com › ai-detector
AI Detector: Free AI Checker for ChatGPT, GPT5 & Gemini
Mac and the Grammarly Editor. It will soon become available for more of our product offerings, enabling you to check your text across even more applications and websites. The AI detector tool on this page is compatible with any browser.
Undetectable AI
undetectable.ai
AI Detector & AI Checker for ChatGPT (Free) - Undetectable AI
Paste your text into our AI Detector to check if it will be flagged as AI-generated content. Get results from major AI Checkers instantly with just one click. Our tool detects AI content from AI-content generators such as ChatGPT, Gemini, Claude, ...
SurgeGraph
surgegraph.io › ai-detector
Free AI Detector: Catch AI Writing Instantly
With ten years of content writing expertise, we’ve engineered an AI text detector that excels at distinguishing human writing from AI output. Our AI detection tool uses advanced NLP, deep learning, neural networks, and large language models (LLMs) to evaluate subtle language traits like sentence ...
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.
Sapling
sapling.ai › ai-content-detector
AI Content Detector | GPT-5, Claude 4.5, Gemini 2.5 Detection
Free AI content detector that checks if text is AI-generated with 97% accuracy. Supports GPT-5, Claude 4.5, Gemini 2.5, Qwen3, DeepSeek-V3, and other latest AI models. Analyze text, PDFs, and Word documents with detailed sentence analysis.
JustDone
justdone.com › ai detector
AI Detector – Trusted AI Checker for ChatGPT, GPT5 & Gemini | JustDone AI
Go beyond AI detection — fix errors, reword flagged text, and upgrade your writing instantly. Spotted AI-sounding text? Fix it instantly. Our tool doesn’t just detect robotic writing; it rewrites it in your natural voice with a single click.
Originality AI
originality.ai
AI Detector - Most Accurate AI Content Checker for ChatGPT - Originality.ai
Our AI-Generated Text Detector has repeatedly been shown to be the most accurate at detecting AI-generated content by both our internal testing and 3rd party peer-reviewed research papers.
Texas Tech University
guides.library.ttu.edu › artificialintelligencetools › detection
AI Detection - Artificial Intelligence Tools for Detection, Research and Writing - Guides at Texas Tech University
AI Detector is a free tool to identify AI-written text from Chat GPT 3 and other AI models. ... This site features software for AI proctoring during online exams.
Humanize AI
humanizeai.pro › detector
Free AI Detector - Advanced AI Checker for ChatGPT, Gemini & More
Use our free AI detector to spot AI-generated content from ChatGPT, GPT-4, GPT-5, Gemini, Claude, Jasper, and other AI tools. This unlimited AI content detector instantly identifies text written by AI. Get your essay, coursework, research papers, marketing copy, or any other AI materials ...
WRITER
writer.com › ai content detector
AI content detector | ChatGPT detector & AI checker for GPT-4 - WRITER
October 14, 2025 - Check what percentage of your content is seen as human-generated with this free AI content detector tool. Paste in text or a URL to find out.
Arting
arting.ai › ai-detector
AI Detector – Accurate & Fast AI Content Detection Tool Online
Use our AI Detector to identify AI-generated text with high accuracy. Fast scanning, detailed reports, and support for GPT, Sora, Claude, Llama, and more.