Copyleaks
Plagiarism Detection
Detect plagiarism and AI-generated content instantly
Like AI Plagiarism Checker, Copyleaks is in the Plagiarism Detection category. Both are paid. Worth comparing on the detail page.
We've curated 50 of the best alternatives to AI Plagiarism Checker, ranked by feature overlap, topic similarity, user ratings, and popularity. Copyleaks, PlagAI, and Plagiarismremover lead the list as the closest matches.
Updated May 18, 2026
The list includes 1 free alternative, 1 freemium, and 48 paid, so whether you're looking for a no-cost replacement or a more capable paid tier, there's an option to compare. AI Plagiarism Checker itself is paid, which makes paid alternatives the most natural starting point.
Many of these tools cluster around use cases like Education, Text Analysis, Plagiarism Detection, and Content Verification — the same problem spaces AI Plagiarism Checker addresses. Cross-referencing tools that overlap on multiple topics gives a more reliable signal than category alone, because two products in the same category can still serve very different workflows.
Our ranking weighs eight signals: shared category, topic overlap, feature overlap, name and description text similarity (via PostgreSQL's pg_trgm and tsvector), Bayesian-smoothed user ratings, pricing-model match, popularity, and editorial overrides. Scores are then normalized within each tool's own candidate pool so the top match always represents the strongest available alternative.
Use the table of contents below to jump to free or paid alternatives, or scroll down to compare each option side-by-side with AI Plagiarism Checker.
Ranked by compatibility score
Plagiarism Detection
Detect plagiarism and AI-generated content instantly
Like AI Plagiarism Checker, Copyleaks is in the Plagiarism Detection category. Both are paid. Worth comparing on the detail page.
Plagiarism Detection
Detect plagiarism instantly and affordably.
Like AI Plagiarism Checker, PlagAI is in the Plagiarism Detection category. Both are paid. Worth comparing on the detail page.
1 free and 1 freemium options.
2 free or freemium alternatives to AI Plagiarism Checker on /tools/ai-plagiarism-checker/alternatives.
48 paid options.
26 additional candidates
Copyleaks ranks as the highest-scoring alternative to AI Plagiarism Checker, based on shared category, topic overlap, feature similarity, and user ratings. Ratings are still being collected for this tool.
Yes — 1 fully free and 1 freemium alternatives are available, including Duplichecker and ZeroGPT Plus.
Copyleaks is similarly priced (paid) and sits in the same category (Plagiarism Detection). View its detail page to compare features, integrations, and reviews side-by-side.
Top Plagiarism Detection alternatives include Copyleaks, PlagAI, Plagiarismremover, and Duplichecker. These tools share the same primary category and have meaningful topic overlap with AI Plagiarism Checker.
Plagiarism Detection
Make your content 100% unique with AI-powered rephrasing.
Like AI Plagiarism Checker, Plagiarismremover is in the Plagiarism Detection category. Both are paid. Worth comparing on the detail page.
Plagiarism Detection
Detect copied content instantly and for free.
Like AI Plagiarism Checker, Duplichecker is in the Plagiarism Detection category. Duplichecker is freemium, while AI Plagiarism Checker is paid. Worth comparing on the detail page.
Plagiarism Detection
Detect AI-generated content with precision.
Like AI Plagiarism Checker, ZeroGPT Plus is in the Plagiarism Detection category. ZeroGPT Plus is free, while AI Plagiarism Checker is paid. Worth comparing on the detail page.
Ai Content Detection
Instantly detect plagiarism and AI-generated content.
Copyleaks - Plagiarism detector shares 3 topics with AI Plagiarism Checker: Content Verification, Text Analysis, and Plagiarism Detection. Both are paid.
Ai Content Detection
Detect AI-generated content with free online tool
Free AI Detector by ContentAtScale shares 2 topics with AI Plagiarism Checker: Content Verification and Plagiarism Detection. Both are paid.
Ai Content Detection
Checked content's originality & plagiarism.
Originality shares 2 topics with AI Plagiarism Checker: Content Verification and Plagiarism Detection. Both are paid.
Ai Content Detection
Detect AI-generated content in 30 languages
Copyleaks - AI content detector shares 2 topics with AI Plagiarism Checker: Content Verification and Text Analysis. Both are paid.
Ai Content Detection
Detect plagiarism and AI-generated content quickly.
Plagium AI Detector shares 2 topics with AI Plagiarism Checker: Text Analysis and Plagiarism Detection. Both are paid.
Ai Content Detection
Detect AI-generated content with precision
AI Detect shares 2 topics with AI Plagiarism Checker: Content Verification and Text Analysis. Both are paid.
Content
AI-driven content automation for digital marketing
ContentBot shares 1 topic with AI Plagiarism Checker: Seo Tool. Both are paid.
Learning
AI-driven EdTech solutions to reimagine education
Languify shares 1 topic with AI Plagiarism Checker: Education. Both are paid.
Summaries
Instantly summarize any text with key points.
Summarizer.org shares 1 topic with AI Plagiarism Checker: Text Analysis. Both are paid.
Paraphrasing
Rephrase text for clarity without changing meaning.
Plagiarism Detector shares 1 topic with AI Plagiarism Checker: Plagiarism Detection. Both are paid.
Text Analysis
Unveil text emotions, sentiments, and insights with AI precision.
Textrics shares 1 topic with AI Plagiarism Checker: Text Analysis. Both are paid.
Stories
Your intelligent copilot for complete storytelling.
Subtxt shares 1 topic with AI Plagiarism Checker: Text Analysis. Both are paid.
Children's Stories
Generate customized stories featuring your loved ones.
Scarlettpanda shares 1 topic with AI Plagiarism Checker: Education. Both are paid.
Document Insights
Transform your writing with GPT-3 in Word.
Titan shares 1 topic with AI Plagiarism Checker: Text Analysis. Both are paid.
Sat Preparation
Get your SAT or ACT score in 40 minutes with AI-powered practice tests.
R.test shares 1 topic with AI Plagiarism Checker: Education. Both are paid.
School Lesson Plans
Create teaching content instantly with AI magic.
Teacherbot shares 1 topic with AI Plagiarism Checker: Education. Both are paid.
Learning
Maximize study time ROI with AI-powered learning tools.
Cramly.ai shares 1 topic with AI Plagiarism Checker: Education. Both are paid.
Chatgpt
Harness ChatGPT in Google Workspace and Excel
GPT for work shares 1 topic with AI Plagiarism Checker: Text Analysis. Both are paid.
School Lesson Plans
Create amazing lesson plans 10x faster with AI.
LessonPlans shares 1 topic with AI Plagiarism Checker: Education. Both are paid.
42 more paid alternatives listed below. Browse all AI Plagiarism Checker alternatives ↓
48 paid alternatives to AI Plagiarism Checker on /tools/ai-plagiarism-checker/alternatives.
AI Tutor shares 1 topic with AI Plagiarism Checker: Education. Both are paid.
Neither AI Plagiarism Checker nor Copyleaks has user ratings yet — be the first to review either tool to help future visitors compare them.
