Copyleaks
copyleaks.com › home › ai detector
AI Detector - Free AI Checker for ChatGPT, GPT-5, Gemini & More
Scan up to 25,000 characters for free—more than any other major AI detector on the market. Create a free account to unlock more monthly credits for scans. It’s the highest free scan allowance you can get. Copyleaks uses a combination of linguistic modeling, deep learning, and our proprietary AI Logic to detect generative content with unmatched precision.
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What is the most accurate free AI detector?
Proofademic is widely regarded as one of the most accurate free AI detectors. Unlike basic checkers, our platform uses multi-layered analysis to identify AI-generated writing, even when it has been paraphrased. That’s why students, educators, and professionals trust Proofademic for essays, academic papers, and online content.
proofademic.ai
proofademic.ai › ai detector
Free AI Detector for Teachers & Students – Academic Writing Checker
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
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.
MyDetector
mydetector.ai
Free AI Detector - Accurate AI checker for chatGPT & More
MyDetector's Free AI Detector analyzes ChatGPT, GPT-4, Gemini & Claude content. Get 99% accurate AI checker results instantly—no login required.
Undetectable AI
undetectable.ai
AI Detector & AI Checker for ChatGPT (Free) - Undetectable AI
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, Llama, and others. ... Make your AI-assisted writing appear human-like.
Proofademic
proofademic.ai › ai detector
Free AI Detector for Teachers & Students – Academic Writing Checker
October 28, 2025 - Our free AI content detector online helps you check if text is AI generated with unmatched precision. Proofademic analyzes essays, articles, research papers, and academic writing in seconds.
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 ...
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.
SEO.AI
seo.ai › tools › ai-content-detector
Free AI Content Detector → Super Fast, No Login Required
Test your ChatGPT and GPT-4 generated text utilizing 4 AI detector models for FREE. Check up to 25.000 characters of text with SEO.ai Content Detector!
Tencent
matrix.tencent.com › ai-detect
朱雀AI检测助手 | Zhuque AI Detection Assistant
腾讯朱雀AI检测助手是一款免费的AI生成内容检测工具。主要用于帮助用户识别AI生成的文本和图像内容。Tencents's Zhuque AI Detector is a free tool for detecting AI-generated content. It is mainly used to help users identify AI-generated text, image and video ...