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Alternatives

10 best AI Plagiarism Checker alternatives

Tools that cover the same task as AI Plagiarism Checker (assistant), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.

AI Plagiarism Checker starts at
Not listed
Free plan
Free to start
API
API available
  1. 01

    MyDetector

    MyDetector is a free online AI detector that scores text from ChatGPT, Gemini, Claude, and similar models with sentence-level highlights. The site supports pasted text and uploads such as PDF, Word, and PowerPoint, and pairs detection with humanization and related checker tools through a quota-based account system.

    • From $6.99/mo
    • Free plan
    • API unknown

    Best for: Writers, educators, marketers, and reviewers who need to scan drafts or uploaded documents for AI-generated patterns before publishing or grading.

  2. 02

    Dechecker AI

    Dechecker AI is a writing integrity suite with AI detection, humanizing, grammar, plagiarism, and related tools for GPT-class models. Credit-based plans cover checker words, humanizer words, batch scans, and exports for students and professionals.

    • From $3/mo
    • Free plan
    • API unknown

    Best for: Students, educators, and writers who need AI scores, rewrites, and document checks in one workspace.

  3. 03

    Detecting-AI.com

    Detecting-AI.com is a free web AI detector with sentence-level highlights for ChatGPT, Claude, and Gemini outputs. Paid Monthly and Yearly plans raise scan limits and add unlimited humanizer, fact checker, and plagiarism credits.

    • From $7/mo
    • Free plan
    • API available

    Best for: Educators, editors, and researchers who need fast AI scores with optional paid deep scans and rewriting tools.

  4. 04

    Uncheck AI

    Uncheck AI combines an AI detector with a humanizer that rewrites text to read more naturally and pass common AI detection checks. Free and paid word limits cover students, creators, and marketers iterating on AI-assisted drafts.

    • From $12.99/mo
    • Free plan
    • API available

    Best for: Writers who need to scan AI-generated copy and humanize it before publishing or submitting work.

  5. 05

    AIDetector Pro

    AI Detector Pro (AIDP) detects and humanizes AI-written text across English, Spanish, French, Arabic, German, Korean, and Portuguese. It combines scanning, editing, tone analysis, and plugins for Word and Google Docs to help writers reduce detectable AI patterns.

    • From $13.99/mo
    • Free plan
    • API available

    Best for: Writers, educators, and marketers who need multilingual AI detection plus in-editor humanization workflows.

  6. 06

    Hastewire

    Hastewire is an AI content toolkit for publishers to humanize AI drafts, detect AI-generated text, check grammar, translate across eight languages, and count words from one account. It also advertises a Chrome extension, upcoming mobile apps, Zapier automation, and a developer API.

    • From $6.67/mo
    • Free plan
    • API available

    Best for: Writers, agencies, and publishers who need to rewrite, verify, and polish AI-assisted content before sending it live.

  7. 07

    LotusEye

    LotusEye is a cloud AI anomaly detection service for sensor and numeric CSV data. Operators upload normal training data, score live readings hourly, and receive alerts when behavior deviates, with optional API uploads on paid tiers.

    • From $13/mo
    • Free plan
    • API unknown

    Best for: Engineers and operators monitoring equipment, servers, or IoT sensors who need no-code anomaly models.

  8. 08

    ConceptMap

    ConceptMap turns PDFs, lecture notes, or long chats into dense mind maps you can present node-by-node. It targets teachers, self-learners, and students who need readable concept maps quickly, with Present mode and shareable public links.

    • From $15.90/mo
    • Free plan
    • API unknown

    Best for: Educators and learners who want AI-generated mind maps they can walk through in class or share as study links.

  9. 09

    FraudLabs Pro

    FraudLabs Pro provides cloud fraud screening with customizable validation rules, device insights, and SMS verification add-ons. Merchants integrate via API or app plugins to score orders and reduce chargebacks.

    • From $29.95/mo
    • Free plan
    • API available

    Best for: E-commerce and fintech teams that need configurable fraud scoring without building models in-house.

  10. 10

    CompliantChatGPT

    CompliantChatGPT is a HIPAA-compliant conversational AI platform for clinicians that generates clinical documentation, SOAP notes, differential diagnoses, and EHR-ready workflows while anonymizing PHI before data reaches external models.

    • From $19.99/mo
    • Free trial
    • API unknown

    Best for: Healthcare professionals and practices that need HIPAA-aligned AI assistance for documentation and clinical reasoning.

AI Plagiarism Checker alternatives: common questions

What is the best free alternative to AI Plagiarism Checker?

MyDetector has an ongoing free plan. Registered users receive free monthly quotas; guest users get a one-time trial before signup quotas apply. Free plans change, so check the vendor before relying on one.

What is the cheapest AI Plagiarism Checker alternative?

Dechecker AI has the lowest listed starting price at $3/mo.

Which AI Plagiarism Checker alternatives have an API?

Detecting-AI.com, Uncheck AI, AIDetector Pro, Hastewire, FraudLabs Pro mention API or developer access.