List of Alternatives to Copyleaks
Here are some of Copyleaks's top competitors in the AI Writing category: Grammarly, Winston AI, GPTZero or ProWritingAid.
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20% off monthly or annual plans for 1 year
Get deal for freeGrammarly is an AI-powered writing assistant that helps you improve your writing across various platforms and applications. It offers personalized suggestions to enhance clarity, professionalism, and persuasiveness in written communication.
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Vocabulary enhancement
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Brand style guide integration
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Tone detection and adjustment
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Cross-platform compatibility
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Performance analytics
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Real-time writing assistant
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Personalized suggestions
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Plagiarism detection
Free
$0 (Freemium)Enterprise
Custom pricingPro
$12 / monthAndy Nowicki
Amazing deal
This is a very good tool for verifying and checking written text. It’s very accurate, and working with it is a pure pleasure. I use it to check my written text—since I write books.During the writing process, I can focus on what’s important, and I leave all the technical details to it - Grammarly .
August 2, 2026
Winston AI is a leading AI content detection platform designed to accurately identify text generated by popular AI models such as ChatGPT, GPT-4o, and Google Gemini.
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Continuous model updates
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Color-coded reporting
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AI content detection
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OCR support for scanned documents
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Integrated plagiarism checker
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Multi-language support
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User-friendly interface
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Document management and labeling
Free
Essential
$18 / monthAdvanced
$29 / monthElite
$49 / month
GPTZero is an advanced AI detection tool designed to determine whether text was written by a human or generated by AI models such as ChatGPT, GPT-4, Gemini, Claude, and LLaMA.
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AI detection across multiple models
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Granular sentence, paragraph, and document analysis
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Integration with learning management systems
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Batch processing and file uploads
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Plagiarism and originality checking
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Video replay and writing process verification
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Custom AI-powered writing feedback
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Chrome extension for instant detection
ProWritingAid is an advanced writing and editing tool that uses AI to enhance your writing skills and ensure your content is of the highest quality. It offers a comprehensive suite of AI-powered features to refine your writing style, correct grammar, and improve overall readability.
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Integration with writing platforms
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Plagiarism checker
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Word choice enhancements
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Real-time grammar checker
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In-depth writing reports
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Sentence structure analysis
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Summary report of key issues
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Style improvement suggestions
Free
Premium
$30 / monthPremium Pro
$37 / monthStart saving on the best SaaS
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