Detectors
An AI detector for every model people write with
New models ship every few months, and each has its own habits. Pick the one you are worried about to see how its writing tends to read and how to check a draft for it.
2,000 free credits when you sign up. No card needed.
Pick a model
- DetectorChatGPTPaste an essay, email or report to check for signs it was written with ChatGPT. Winston AI highlights likely AI sentences so you can review them in context.
- DetectorClaudeCheck reports, essays and personal statements for signs they were written with Claude. See sentence-level highlights and why polished prose alone proves little.
- DetectorMicrosoft CopilotCheck Word documents, Outlook emails and meeting summaries for signs they were written with Microsoft Copilot. Winston AI flags likely AI sentences for review.
- DetectorDeepSeekCheck essays, homework answers and articles for signs they were written with DeepSeek, including text from apps built on its open-weight models.
- DetectorGeminiCheck Google Docs drafts, Gmail replies and school work for signs they were written with Gemini. Winston AI highlights likely AI sentences for a fair review.
- DetectorGrokCheck posts, threads, replies and short drafts for signs they were written with Grok from xAI. See flagged sentences and the limits of judging short text.
- DetectorLlamaCheck chatbot replies, support messages and writing-app output for signs they were written with Meta's Llama models. Winston AI flags likely AI sentences.
- DetectorMistralCheck English, French, German and Spanish drafts for signs they were written with Mistral or Le Chat. Winston AI detects 14 languages automatically.
Browse more
- BrowseAI detection for teachers, editors, recruiters and moreSee how teachers, editors, recruiters, publishers and other teams use an AI detector to review writing fairly and quickly.
- BrowseAI detector in Spanish, French, German and moreCheck AI-generated writing in Spanish, French, German, Portuguese, Chinese and other languages, with the same sentence-level highlights as English.
- BrowseGuides to spotting AI-written textPlain answers to common questions about AI writing: how to tell if an essay was written by ChatGPT, what a detector score means and what to do next.
Have something to check?
Paste any text into the detector. You'll get an overall score and a highlight on every sentence that reads as machine-written.