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.
106Total AI Detector Tools28Most Relevant AI Detector Tools21Free AI Detector ToolsAI Detector Tools updated Jun 18, 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.
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.
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.
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.
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.
| Tool | Plan status | Pricing | Traffic | Feature preview | Website |
|---|---|---|---|---|---|
| hCaptcha | Free option | Free, Pro from $99/mo billed annually | 4.4M/mo | World-class bot protection and advanced threat signature clustering, Frictionless 99.9% passive mode (No-CAPTCHA) to optimize user experience | Visit |
| MyDetector | Free option | Free | 1.1M/mo | High-precision AI detection for ChatGPT, GPT-4, and Gemini, All-in-one AI text humanizer to transform AI writing into natural content | Visit |
| Human or Not: A Social Turing Game | Free option | Free | 901K/mo | Two-minute fast-paced chatroulette style matching, Social Turing test mechanics to evaluate AI conversational capabilities | Visit |
| Dechecker | Free option | Free | 411K/mo | Sentence-Level AI Detection to pinpoint exactly which parts of the writing are AI-generated, Multi-Language Support for global academic papers, blogs, and business documents | Visit |
| Humanizeaitext AI | Free option | Free version available | 291K/mo | Advanced AI-to-human text conversion with 100% human score guarantee, Five diverse writing modes: Standard, Shorten, Expand, Simplify, and Improve Writing | Visit |
| AI Detector - io | Free option | Free, Premium subscription options available | 213K/mo | Precision-based AI content detection scanning sentence structure and language uniformity, AI Humanizer to refine robotic text into natural language | Visit |
| OctoEverywhere | Free option | Free, Supporter Perks from $3.99/mo | 160K/mo | Unlimited secure remote access utilizing an end-to-end encrypted tunnel, Next-Gen AI failure detection (Gadget) with automatic print pausing | Visit |
| Flypix | Free option | Free, Starter from €50/mo, 7-day Free Trial available on paid plans | 131K/mo | No-code custom AI model training for object detection and semantic segmentation, Support for high-resolution satellite, aerial, and drone imagery | Visit |
| AI Detector Writer | Free option | Free | 125K/mo | Real-time text analysis with instant percentage breakdowns, Support for batch file uploads to scan multiple documents simultaneously | Visit |
| AI Detector by ContentDetector.AI | Free option | Free | 90K/mo | AI content detection with maximum accuracy for ChatGPT, GPT-3, GPT-4, and Claude, Percentage-based reporting with real source indication | Visit |
Traffic
Most visited AI Detector Tools
Use traffic, free-plan status, and starting price to compare the most visited tools in this category.
| Tool | Traffic | Free plan | Starting price | Website |
|---|---|---|---|---|
| ZeroGPT | 26M/mo | No | Free, Pro from $7.99/mo | Visit |
| Gptzero me | 17M/mo | No | Free, Essential from $8.33/mo | Visit |
| Scribbr | 7.3M/mo | No | Free basic tools, premium services vary by document length and deadline | Visit |
| hCaptcha | 4.4M/mo | Yes | Free, Pro from $99/mo billed annually | Visit |
| Branded | 4.3M/mo | No | Contact for Pricing | Visit |
| Lynote | 4.1M/mo | No | Free, Premium plans available | Visit |
| Undetectable.ai | 4M/mo | No | Free to try, pricing scales based on requirements | Visit |
| Copyleaks | 3.8M/mo | No | Starts at $7.99/mo | Visit |
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.
| Tool | Free | Pricing | Traffic | Features | Website |
|---|---|---|---|---|---|
| CiteTrue | Yes | Free | 52K/mo | AI-powered citation verification against leading academic databases, Automated detection and flagging of fake or AI-generated citations | Visit |
| Prelude Verify | No | Free trial available; Basic plan at €0.03/verification, Paid plans from €100/mo. | 51K/mo | AI-powered multi-routing across 30+ carriers and 230 countries, Granular anti-fraud protection blocking up to 99% of spam and fake traffic | Visit |
| viAct-Job Hazard Analysis (JHA) Software | No | 14 Days Free Trial, custom plans available on contact | 49K/mo | Automated Risk Assessment & Job Hazard Analysis (JHA), Real-time Vision Intelligence & Non-compliance Detection | Visit |
| uPass | No | Free, Basic from $9.99/mo | 42K/mo | Undetectable AI Rewriter (AI Humanizer) with Basic, Advanced, and Aggressive modes, All-in-One AI Detector evaluating text against multiple popular checkers simultaneously | Visit |
| Canditech | No | Starts at $150/mo | 64K/mo | Job-simulation tests replicating real-world tasks and scenarios, Dual evaluation of technical (hard) and soft skills on a single platform | Visit |
| mindbridge.ai | No | Contact for Pricing | 40K/mo | Ensemble AI and Unsupervised Machine Learning for unbiased anomaly detection, Continuous oversight and monitoring across 100% of financial transactions | Visit |
| Ropes AI | No | Contact for pricing details | 39K/mo | Custom problem creation personalized to any tech stack and role requirements, Holistic scorecard results that showcase candidate thought processes beyond test cases | Visit |
| Humanizer AI- | Yes | Free, Basic from $6/mo | 37K/mo | AI text humanizer to bypass AI detectors like Originality AI and Turnitin, Multi-detector analysis checking across platforms like GPTZero, Copyleaks, and QuillBot | Visit |
| UndetectedGPT | No | Starter from $19.99/mo | 33K/mo | AI Humanizer to convert AI text into undetectable human writing with one click, AI Stealth Writer to generate human-grade content instantly from prompts | Visit |
| Profound Academy | No | Starts at $10/mo | 33K/mo | Interactive, fully customizable CS curriculum, Automated grading and instant AI-powered feedback for students | Visit |
| Greip: Fraud Prevention | No | Free, Standard from $14.99/mo | 30K/mo | Payment Fraud Analysis and BIN/IIN Verification, Proxy & VPN Detection to identify masked IPs | Visit |
| Data Observability v2 by Metaplane | Yes | Free, Pro with usage-based plans | 27K/mo | Automated anomaly detection using adapted machine learning models, End-to-end column-level lineage and dependency mapping | Visit |
| rapidai.com | No | Contact for Pricing | 26K/mo | Deep Clinical AI: Offers tools for ischemic stroke triage, hemorrhagic bleed assessment, and rapid aneurysm tracking., Rapid Mobile App: Features a mobile DICOM viewer, real-time alerts for suspected cases, and in-app team messaging. | Visit |
| Humanizey | No | Free trial available; paid plans start at $8/mo. | 25K/mo | Bypasses major AI detectors including Turnitin, GPTZero, Originality AI, and Copyleaks, Generates plagiarism-free rewritten content | Visit |
| MixPeek | Yes | Free, Usage-Based from $49/mo | 24K/mo | Unified API for extracting insights across text, image, video, and audio content, Direct AWS S3 bucket integration for automated data ingestion | Visit |
| FaceFinder ID | No | Plans from $7 one-time | 39K/mo | Advanced AI face search across social media and public records, Secure and anonymous reverse image face search | Visit |
| Flagright AI | No | Contact for Pricing | 39K/mo | AI-native transaction monitoring with sub-second API response times, Automated case management for streamlined financial investigations | Visit |
| KYC Hub | No | Contact for Pricing | 14K/mo | OpsFlow No-Code Workflow Automation and Decisioning, Global KYC & KYB Verification Hub covering 200+ countries | Visit |
| rekor.ai | No | Contact for Pricing | 18K/mo | AI-driven roadway intelligence and comprehensive traffic analytics, Advanced License Plate Recognition (ALPR) and vehicle characteristics detection | Visit |
| Coda One | No | Free, Starter from $7.99/mo | 18K/mo | AI Humanizer with 9 writing modes to transform text naturally, Statistical AI Detector to instantly check text for AI patterns | Visit |
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