Paid
Winston AI
High-accuracy AI detector for writers and educators
AI Detection
Software & Tools
Best AI Detection Tools
9 curated AI Detection Tools, updated 2026-10-22. Top picks include Winston AI, Copyleaks, GPTZero. Compare free, freemium and paid options, then open a tool page or browse alternatives.
9 toolsUpdated 2026-10-22Free 2Freemium 5Paid 2
Freemium
Copyleaks
Enterprise AI and plagiarism detection in one
AI DetectionPlagiarism Check
Freemium
GPTZero
The classroom standard for AI text detection
AI DetectionEducation
Freemium
ZeroGPT
Free AI text detector with wide language support
AI Detection
Paid
Originality.AI
Accurate AI detection for content publishers
AI Detection
Free
Scribbr
Student-trusted AI detector with clear reports
AI DetectionEducation
Freemium
Crossplag
European AI and plagiarism checker
AI DetectionPlagiarism Check
Freemium
Sapling
AI detector from a business writing toolkit
AI Detection
Free
Writer AI 检测
Free AI detector from the Writer platform
AI DetectionWriting
How we curate this category
Every listing is reviewed by a human before publishing. We group tools by use case, keep pricing and category data current, and link to official websites — paid placement never determines order.