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Winston AI

An online AI content detector and plagiarism checker for text from ChatGPT, Claude, Gemini and other models.

FreemiumProprietaryWeb

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About Winston AI

Winston AI is a web tool that scans text and estimates whether it was written by a person, an AI model, or a mix of both. It targets models such as ChatGPT, Claude and Google Gemini, and the developer says the detection model is updated as new language models appear. A plagiarism checker is included alongside the AI detection.

It is aimed at teachers and academic institutions checking student work, SEO teams reviewing content before publishing, and writers who want an originality or human score for their own text. You can start free without a credit card, and a sales team handles larger customers.

Strengths

  • Detects text from ChatGPT, Claude, Gemini and other models
  • Plagiarism checking in the same tool
  • Free start without a credit card
  • Separate workflows for education, SEO and writers

Limitations

  • AI detection results are estimates and can be wrong
  • Full use requires an account
  • Text is processed on the developer's servers

Details

Pricing
FreemiumFree to start with no credit card required; paid use and sales-led plans are offered.
License
Proprietary
Developer
Winston AI
Platforms
Web
How it runs
Web application
Account
Required
Works offline
No
Best suited for
Teachers and publishers checking whether text was written with AI
Categories
AI writing
Last verified
Added

Alternatives to Winston AI

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Software that can replace Winston AI for an important use case, and what changes if you switch.

  • GPTZero

    An AI content detector that estimates whether text was written by ChatGPT, Claude, Gemini or other models.

    GPTZero adds sentence-level highlighting, writing replay in Google Docs and a Chrome extension across Gmail, Docs and Classroom, with advanced features on a paid plan.

  • Originality.ai

    An AI text detector and plagiarism checker for publishers and content teams, with browser extensions.

    Originality.ai adds readability and fact checks, Chrome and Firefox extensions and an API for bulk checks, but its free tier is limited to three scans a day.

  • Copyleaks

    A plagiarism checker and AI content detector for text, code and other media.

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    Copyleaks is a paid service that also checks source code, video, audio and images for plagiarism, aimed mainly at institutions and businesses.

  • Quetext

    A web plagiarism checker and AI detector with grammar, summarizing and citation tools.

    Quetext pairs plagiarism and AI detection with a citation generator, grammar checker, Chrome extension and REST API.

  • ZeroGPT

    A web tool that estimates whether text was written by AI, with extra writing utilities.

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    ZeroGPT is free and runs in the browser, also checking images and video for AI generation, but it does not list plagiarism checking.

  • Smodin

    An online AI writing toolkit with an AI detector, humanizer, plagiarism checker and rewriting tools.

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    Smodin bundles an AI detector with plagiarism checks, a humanizer and rewriting tools, accepts Word and PDF uploads and can be tried without an account.

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Related functionality, not necessarily a direct replacement.

  • Grammarly

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  • Paperpal

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  • Trinka

    An AI grammar checker and writing assistant aimed at academic and technical writing.

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  • Readable

    An online readability checker that scores text with many readability formulas and highlights passages to fix.

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