Grammarly’s AI Detector is ranked the #1 AI checker. Get instant AI detection for content generated by ChatGPT, Gemini, and more.

Write with confidence using Grammarly’s AI-powered grammar checker. Harness advanced AI to spot grammatical errors, spelling mistakes, and punctuation issues while refining clarity and enhancing …

An animation shows Grammarly can review your existing text and apply feedback based on various reader reactions.

To check your document for plagiarism and to see if some of the content may be flagged as AI-generated, open the Grammarly widget and click the quotation marks icon:

Grammarly’s free AI sentence checker ensures clear, mistake-free writing for essays, emails, blog posts, and beyond. Instantly correct errors and improve clarity so you can be confident that your writing …

Set your target reader—from teammate to teacher—and get instant feedback so you can tailor your writing. Make your AI-assisted writing sound more natural and engaging without changing what you …

Grammarly is the AI writing partner that helps you develop your essay ideas and submit assignments with confidence. Ensure your writing is clear, polished, and plagiarism-free while getting AI-powered …

Ensure every word is your own with Grammarly’s AI-powered plagiarism checker, which uses advanced AI to detect plagiarism in your text and check for other writing issues.

Check your writing Grammarly can do more than generate text. It can also check your spelling, polish your grammar, and reword sentences in seconds. Here are a few other useful tools that can support …

Feb 10, 2026 · While no AI detector is 100% accurate, Grammarly’s detector ranked #1 on RAID’s quality benchmark leaderboard. We recommend using AI detection as part of a comprehensive …