Compare tools
Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
⇄ Comparison dimension — pick the market you're actually shopping in
✕
Copyleaks
✓ verifiedFreemium
Enterprise-grade platform for AI and plagiarism detection across text, images and video, used by schools and Fortune 500s.
3.8M visits/mo4.0K saves
✕
ZeroGPT
✓ verifiedFreemium
All-in-one AI writing suite led by an AI content/GPT detector, bundling a humanizer, paraphraser, grammar checker, translator, and chatbot.
26M visits/mo3.4K saves
✕
GPTZero
✓ verifiedFreemium
AI-content detector aimed at educators, adding plagiarism, grammar and citation checks with claimed high accuracy.
17M visits/mo7.3K saves
Pricing
Personal: $13.99/mo billed annually (1,200 credits)
Personal: $16.99/mo billed monthly
Pro: $74.99/mo (25 seats, 12,000 credits)
Free: $0 forever
No public pricing
Core features
- ✦AI text, image and video detection
- ✦Deepfake detection
- ✦Plagiarism checker across 100+ languages
- ✦Combined AI and plagiarism report (AI Logic)
- ✦Content and text moderation
- ✦API, LMS and browser integrations
- ✦Google Docs add-on
- ✦Multi-model AI text detector (ChatGPT, GPT-5, Gemini, Claude, DeepSeek, etc.)
- ✦AI text humanizer to reduce detectability
- ✦Plagiarism checker across billions of sources
- ✦AI paraphraser, summarizer, and grammar checker
- ✦AI translator and word counter utilities
- ✦ZeroCHAT general-purpose AI chatbot
- ✦WhatsApp and Telegram bot access
- ✦Downloadable PDF detection reports and batch file upload
- ✦Detects AI text from major LLMs (ChatGPT, Claude, Gemini, Llama)
- ✦Sentence-level highlighting with explanations
- ✦Plagiarism and grammar checking
- ✦Hallucination and citation verification
- ✦Authorship/writing-process verification
- ✦Integrations for Chrome, Google Docs, Canvas and API
Use cases
- →Verifying academic integrity
- →Detecting AI-generated content
- →Checking plagiarism across languages
- →Governing enterprise GenAI use
- →Educators checking student submissions for AI-generated content
- →Writers verifying and humanizing AI-assisted drafts
- →Checking text for plagiarism before publishing
- →Businesses integrating AI detection via API
- →Quick grammar/translation checks while writing
- →Checking student work for AI-generated content
- →Verifying authentic authorship in classrooms
- →Screening submissions for publishers and recruiters
- →Detecting AI text through the API in other apps
Visit