AI Detection & Anti-Detection

Best AI Detector Tools in 2026: Free & Paid Picks

AI Detector is a broad category for reviewing whether material may have been created by AI. Use AI Detector to compare tools for accuracy, evidence, false positives, content type, and practical review workflows.

108Total AI Detector Tools29Most Relevant AI Detector Tools22Free AI Detector ToolsAI Detector Tools updated Sep 21, 2026
Top tools

Top 10 AI Detector Tools

Explore top AI Detector Tools ranked by category fit, free access, AI-powered features, traffic, and pricing context.

Paid
Ze
ZeroGPT
An online AI detection tool to verify content originality and identify machine-generated text.
PriceFree, Pro from $7.99/moTraffic21M/mo
AI text detection with sentence-level highlighting and percentage indicatorsDeepAnalyse™ multi-stage methodology to evaluate content originSupport for multiple languagesBatch file uploading and automated dashboard checks+3
Paid
Gp
Gptzero me
Advanced AI detector and checker for identifying machine-generated text.
PriceFree, Essential from $8.33/moTraffic11M/mo
Multi-model AI detection (ChatGPT, GPT-4, Gemini, Claude, LLaMa)Sentence-level AI highlighting and vocabulary analysisPlagiarism checker and source verificationWriting reports with video replay for authorship verification+2
Paid
Sc
Scribbr
Academic success platform featuring proofreading, plagiarism checking, and citation tools.
PriceFree basic tools, premium services vary by document length and deadlineTraffic5.4M/mo
Professional Human Proofreading & Editing (results in as little as 3 hours)Plagiarism Checker utilizing advanced university-level softwareAI Detector capable of identifying content from ChatGPT, Perplexity, and other generative toolsFree Citation Generator supporting APA style, MLA, Chicago, AMA, IEEE, and ACS+2
Free plan
hC
hCaptcha
Privacy-focused enterprise AI security platform to block malicious bots and online fraud.
PriceFree, Pro from $99/mo billed annuallyTraffic4.5M/mo
World-class bot protection and advanced threat signature clusteringFrictionless 99.9% passive mode (No-CAPTCHA) to optimize user experienceZero-PII private learning models to ensure compliance with GDPR, CCPA, LGPD, and PIPLSophisticated account defense mechanisms targeting account takeover, credential stuffing, and transaction fraud+2
Free plans

Best Free AI Detector Tools

Start with free AI detector tools that cover practical website workflows, core features, and AI-powered output quality.

ToolPlan statusPricingTrafficFeature previewWebsite
hCaptchaFree optionFree, Pro from $99/mo billed annually4.5M/moWorld-class bot protection and advanced threat signature clustering, Frictionless 99.9% passive mode (No-CAPTCHA) to optimize user experienceVisit
Clever AI DetectorFree optionFree with no fixed monthly word allowance2.9M/moHumanizes AI-assisted text while preserving its original meaning, Improves tone, sentence structure, clarity, and readabilityVisit
Human or Not: A Social Turing GameFree optionFree693K/moTwo-minute fast-paced chatroulette style matching, Social Turing test mechanics to evaluate AI conversational capabilitiesVisit
MyDetectorFree optionFree666K/moHigh-precision AI detection for ChatGPT, GPT-4, and Gemini, All-in-one AI text humanizer to transform AI writing into natural contentVisit
Humanizeaitext AIFree optionFree version available225K/moAdvanced AI-to-human text conversion with 100% human score guarantee, Five diverse writing modes: Standard, Shorten, Expand, Simplify, and Improve WritingVisit
OctoEverywhereFree optionFree, Supporter Perks from $3.99/mo175K/moUnlimited secure remote access utilizing an end-to-end encrypted tunnel, Next-Gen AI failure detection (Gadget) with automatic print pausingVisit
AI Detector - ioFree optionFree, Premium subscription options available137K/moPrecision-based AI content detection scanning sentence structure and language uniformity, AI Humanizer to refine robotic text into natural languageVisit
DecheckerFree optionFree100K/moSentence-Level AI Detection to pinpoint exactly which parts of the writing are AI-generated, Multi-Language Support for global academic papers, blogs, and business documentsVisit
FlypixFree optionFree, Starter from €50/mo, 7-day Free Trial available on paid plans91K/moNo-code custom AI model training for object detection and semantic segmentation, Support for high-resolution satellite, aerial, and drone imageryVisit
AI Detector WriterFree optionFree88K/moReal-time text analysis with instant percentage breakdowns, Support for batch file uploads to scan multiple documents simultaneouslyVisit
Traffic

Most visited AI Detector Tools

Use traffic, free-plan status, and starting price to compare the most visited tools in this category.

ToolTrafficFree planStarting priceWebsite
ZeroGPT21M/moNoFree, Pro from $7.99/moVisit
Gptzero me11M/moNoFree, Essential from $8.33/moVisit
Scribbr5.4M/moNoFree basic tools, premium services vary by document length and deadlineVisit
hCaptcha4.5M/moYesFree, Pro from $99/mo billed annuallyVisit
Branded4.1M/moNoContact for PricingVisit
Clever AI Detector2.9M/moYesFree with no fixed monthly word allowanceVisit
Undetectable.ai2.3M/moNoFree to try, pricing scales based on requirementsVisit
Aura2.2M/moNoStarts at $10/moVisit
Browse all tools

Top AI Detector Tools Comparison

Browse all AI Detector Tools in this category with search, free-plan filtering, sorting, website signals, pricing, and AI-powered feature context.

ToolFreePricingTrafficFeaturesWebsite
rekor.aiNoContact for Pricing13K/moAI-driven roadway intelligence and comprehensive traffic analytics, Advanced License Plate Recognition (ALPR) and vehicle characteristics detectionVisit
Coda OneNoFree, Starter from $7.99/mo2.9K/moAI Humanizer with 9 writing modes to transform text naturally, Statistical AI Detector to instantly check text for AI patternsVisit
greyparrot.aiNoContact for Pricing18K/moReal-time waste analytics with 99% more visibility than manual sampling, Comprehensive recognition library covering 111 waste categories across plastics, fibres, and metalsVisit
AquilaXNoFree, Premium from $19/mo per developer15K/mo10 Parallel Security Scanners (including SAST, SCA, IaC, Container, PII, Secrets, and Malware), AI-driven automated false-positive removal using bespoke, pre-trained modelsVisit
ContextQA 2.0NoContact for Pricing, Free Trial available11K/moLow-Code/No-Code Automation Design, Agentic AI for Complete Test CoverageVisit
BITE: Supply Chain SecurityNoStarts at $19/mo19K/moReal-time compliance checks updated across 300+ US & EU trade control lists, Automated bulk document and supplier form uploading and trackingVisit
TraceFuseNoStarts at $250/successful removal32K/moAI-driven detection of reviews violating Amazon's policies and guidelines, Automated identification of marketplace abuse and fake buyer accountsVisit
Conch AINoFree daily credits available26K/moAI Writing Assistant: Quickly generate drafts, add sentences, and revise content., Stealth Humanizer: Bypass advanced detectors like GPTZero and Turn It In.Visit
Showing 101-108 of 108 AI Detector Tools matchesBrowse more tools in this category.