October 14, 2025 - Use our free AI detector to check up to 5,000 words, and decide if you want to make adjustments before you publish. Read the disclaimer first. Important update: This tool will be sunset on December 22 along with the AI detection API endpoint.

Use QuillBot’s AI Detector to quickly identify AI-generated or AI-refined text. Plus, use our included Paraphraser, Translator and Grammar Checker to perfect your writing all in one place. The last thing you want is to turn something in to your boss that wasn’t created by you. Use our AI Checker to update your project with your original work. Make sure your content reaches its audience.

With over 30 supported languages and detection for ChatGPT, Gemini, Claude, and more, Copyleaks is the go-to free AI text checker for students, writers, professionals, and creators.

Our API is available for the AI Detector, Plagiarism Checker, Paraphraser, Summarizer, Grammar and Spell Checker, Chatbot & Translator · Our team has developed a user-friendly API for organizations. Get API access · A pioneering research in the modeling of AI content detection Our AI detection model includes several components that analyze text to determine its origin and if it was written by AI.

Use Grammarly's free AI detector to identify content generated by ChatGPT, GPT5, and Gemini. Our AI checker provides reliable and free results, no sign-up needed.

Best free AI detector - simply paste your text to instantly get an overall AI score and advanced sentence by sentence detection.

May 20, 2025 - Our AI Checker identifies specific areas in your text that are likely AI-generated or AI-refined to provide a detailed analysis of the content. Scribbr’s AI Detector accurately detects texts generated by the most popular tools, like ChatGPT, Gemini, and Copilot.

A free AI detector is your assistant that helps spot text generated by AI, like GPT models. It scans your text against a huge database to find any matches or similarities, ensuring your work is original.

Our free AI Checker is indispensable for marketers, SEO experts, writers, bloggers, and researchers who need reliable tools to verify the authenticity of content. Whether you're concerned about maintaining originality in creative work or ensuring compliance with ethical standards in content creation, our AI detector provides the necessary insights and analysis to support informed decision-making.

Originality.ai offers a complete suite of patented AI tools for writers, students, editors, marketers, web publishers, and educators including, AI detection, Plagiarism Checking, Fact Checking & Grammar Checking. ... See why text is flagged as AI + how to ethically edit it, so your work is identified as original (not AI)! ... Most Accurate AI Detector for all AI writing tools. Try now for free. ... See if text has been plagiarized from anywhere on the internet. ... AI-powered content optimization that helps your content predictably rank better in Google.

December 7, 2023 - Effortless AI detection - paste and click "Check" for instant feedback. In order to use the AI Detector tool, you need to create an account at Crossplag. Input the text you want to check whether it's AI-generated or human-written in the text area.

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.

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.

Use our AI generated text detector to instantly check the percentage of AI content from ChatGPT, GPT-4, GPT-4o, Gemini, and more. Try it now!

Detect AI writing from ChatGPT, Bard, Gemini, and other updated AI models in just a single click. No signup required, just paste the content or upload file.

NeuralWriter AI Content Detector ✎ Free online tool for recognizing text, essays or news generated using AI

One-click detection, fast and accurate, it is a worry-free and most accurate AI Detector toolreliable tool! ... Decopy AI Tester is the most accurate AI Detector tool to detect AI writing. It can quickly and accurately identify AI works that ...

⚠️ Important Update The AI content detector will be discontinued on December 22, 2025. This includes both the free tool available at writer.com/ai-content-detec

Free AI detector & AI checker for teachers to identify AI-generated content. Accurate results in seconds for essays, assignments and academic writing.

Trained and tested on over 10,000 AI-generated texts from GPT-4, Claude, Gemini, and Llama, our detector achieves a 99.7% accuracy, one of the highest in the industry. ... Our built-in humanization rewrites your text and ensures it dodges AI detection. Powered by a custom-trained model, it's designed to mimic human writing, making your content read authentically and remain undetectable.