Top 50 AI Detection Tools List : Quick Comparison Guide

Top 50 AI Detection Tools List

1. Originality.ai – Best Overall for Accuracy + SEO Teams

Why it’s on top:
Originality.ai stands out for combining AI detection with plagiarism scanning, making it ideal for agencies and content-heavy websites.

Detects GPT‑3, GPT‑4, and other LLM content
Provides real-time sentence-level analysis
Built for marketers, editors, and publishers
Includes team-level collaboration features
Works with Google Docs and Chrome

Accuracy: 98%+ on long-form SEO content
Pricing: $0.01 per 100 words scanned
Bonus: Bulk URL scan, Chrome extension
Great for: Editors, agencies, SEO teams, freelancers

2. GPTZero – Popular Pick for Educators and Academia

Why it works:
Built originally for teachers, GPTZero remains a go-to free AI detection tool for checking essays, reports, and student submissions.

Highlights AI-generated vs. human-written text
Sentence-level scoring with burstiness/perplexity
Upload full documents (PDF, DOCX)
No login needed for quick checks
Recently added API for enterprise use

Accuracy: Strong on academic-style text
Pricing: Free with paid upgrades
Bonus: Integrates with LMS tools
Great for: Professors, schools, essay checkers, researchers

3. Copyleaks AI Content Detector – Enterprise-Grade with API Access

Why it’s unique:
Copyleaks offers one of the most enterprise-ready AI detectors, with a strong API for LMS, HR, or publishing systems.

AI + plagiarism detection in one platform
Real-time sentence-level confidence scores
Integrates with Canvas, Moodle, Blackboard
Supports multilingual content
Flags paraphrased AI content

Accuracy: Very strong on GPT-3.5 and GPT-4
Pricing: Free for limited scans, pay-as-you-go for API
Bonus: Chrome and MS Word plugins
Great for: EdTech, HR departments, learning platforms

4. Content at Scale AI Detector – Free + Optimized for Long-Form SEO

Why it’s rising fast:
If you’re publishing blog posts, landing pages, or sales copy, this tool is tailored for detecting AI in long-form marketing content.

Free to use (no login)
4-level probability: Real/Mostly Human/Mixed/AI
Works well for 800–3000 word content
Clean UI with highlight feedback
Doesn’t force upsells

Accuracy: 85%+ on long-form SEO
Pricing: Free
Bonus: Detects “humanized AI” content well
Great for: SEO bloggers, affiliate writers, web publishers

5. Writer.com AI Content Detector – Simple Tool for Quick Checks

Why it’s beginner-friendly:
A minimalistic, easy-to-use AI detector ideal for spot-checking short paragraphs and emails.

Paste and scan — no sign-up needed
Works best on ~250-word chunks
Fast results with clear “Likely AI” or “Likely Human” labels
Not built for deep scans, but good for fast filtering

Accuracy: Basic, better for short-form
Pricing: Free
Bonus: Also offers AI writing tools on same platform
Great for: HR pros, email writers, hiring managers

6. Winston AI – Designed for Educators, Loved by Publishers

Winston AI is gaining traction among professionals who review long-form content — especially in education and digital publishing. It’s simple, accurate, and built to flag AI-generated essays, articles, and more.

Designed specifically for detecting AI in educational content
Upload documents or paste text up to 5,000 words
Provides percentage-based results with line-by-line analysis
Includes plagiarism scan and source links
New “Readability” and “Human Tone” indicators

Accuracy: Strong on formal writing and reports
Pricing: Free limited plan, $18+/month for premium
Best for: Teachers, editors, and academic publishers
Standout: Clear dashboard with easy-to-read scoring breakdown

7. Sapling AI Detector – Lightweight but Effective

Sapling’s free tool focuses on fast and efficient AI detection, especially for customer service teams and enterprise communications. It works great on emails, support replies, and business content.

Offers sentence-level AI likelihood scores
Copy-paste interface, no account required
Flags GPT-style content quickly
Good for short-form business and email writing
Lightweight and distraction-free UI

Accuracy: Moderate on long-form, strong on short-form replies
Pricing: Free
Best for: Customer support, recruiters, small teams
Standout: Useful for internal communication reviews

8. Turnitin AI Writing Detector – Education Industry Standard

Used by thousands of schools worldwide, Turnitin has added AI detection to its popular plagiarism platform. It’s widely trusted but reserved mostly for educational institutions.

Detects AI-generated content in student assignments
Deep integration with classroom and LMS platforms
Provides originality scores and AI-use probability
Not available as a public free tool — institution-only access
Backed by long-standing trust in academic integrity

Accuracy: High on academic essays and citations
Pricing: Institutional licensing only
Best for: Colleges, universities, high schools
Standout: Trusted by educators worldwide for secure assessment

9. Crossplag AI Detector – Built with Multilingual Support

Crossplag is an AI content detector that supports multiple languages, making it especially valuable for international schools and global content creators.

Offers real-time AI detection in over 10 languages
Simple paste-and-check interface
Provides confidence-based results (0–100%)
Includes free tier with usage limits
Growing rapidly in EdTech and content verification spaces

Accuracy: Above average on multilingual and hybrid content
Pricing: Free up to 1,000 words/month; paid plans available
Best for: Bilingual education, international content teams
Standout: One of the few tools with true multilingual detection

10. ZeroGPT – Popular Free AI Detector with Quick Scans

ZeroGPT has become one of the most searched free AI detection tools in 2025. While results can vary slightly, it’s accessible, fast, and usable by anyone.

Paste content and scan instantly — no sign-up
Uses proprietary algorithms trained on GPT data
Displays “AI/Real Human” percentage predictions
Offers Chrome extension and doc upload option
New features include plagiarism check and sentence highlights

Accuracy: Decent for general web content, less reliable on short inputs
Pricing: Free
Best for: Bloggers, content reviewers, students
Standout: No barrier to entry — good first stop for casual checks

11. WriterBuddy AI Content Detector – Simple Tool with Fast Checks

WriterBuddy offers a straightforward experience — just paste your text and get instant AI detection results. It’s a good pick for freelancers or teachers doing quick reviews.

Identifies GPT-generated content with “Likely AI” or “Likely Human” output
No sign-up required
Works well with short to mid-length text
Gives basic percentage ratings
Lightweight UI for fast use

Accuracy: Reliable for short-form writing and email copy
Pricing: Free
Best for: Solopreneurs, educators, freelancers
Standout: Ideal for spot-checking short AI-generated blurbs

12. Hive Moderation AI Detector – Enterprise-Level with Image Analysis

Hive Moderation goes beyond just text — it’s one of the only platforms that combines AI text detection with image and video moderation using machine learning.

AI detection for written content, plus deep media scanning
Enterprise APIs available
Focused on brand safety, user-generated content, and compliance
Supports real-time content filtering
Ideal for apps, platforms, and large publishing sites

Accuracy: Very strong for moderation and compliance workflows
Pricing: Custom enterprise pricing
Best for: Large platforms, moderation teams, content-based apps
Standout: Multi-format detection (text + images + video)

13. Kazan SEO AI Detector – Built for SEO Writers and Editors

Kazan SEO’s AI detector is tailored toward content creators working in search engine optimization. It’s part of a larger toolkit designed for ranking-focused writing.

Detects AI-written content using sentence scoring
Seamlessly integrates with Kazan’s keyword and content tools
Built for article optimization
Helps identify robotic language and keyword stuffing
Can analyze content up to ~2,000 words

Accuracy: Solid for SEO blogs and commercial copy
Pricing: Free to use
Best for: SEO editors, blog writers, affiliate marketers
Standout: Integrated with SEO-focused workflow tools

14. Corrector App AI Content Detector – Lightweight Checker for Students

Corrector App offers a no-frills AI detection tool that’s perfect for fast content checks. It’s especially used by students and casual users who want to stay on the safe side.

Paste and scan interface, no registration needed
Works well with essays, bios, and short descriptions
Gives basic output with a “Human/AI” verdict
No analytics or advanced scores — but quick and free
Ideal for basic content filtering

Accuracy: Moderate but useful for casual or school use
Pricing: Free
Best for: Students, early-stage bloggers
Standout: Great for light daily use without commitment

15. ContentDetector.org – Beginner-Friendly and Straightforward

ContentDetector.org delivers one of the easiest entry points for testing whether something is AI-generated. While it doesn’t offer deep analytics, the simplicity makes it accessible.

Just paste your content and hit “Detect”
Provides a human probability score (in %)
Designed for short content types
Free with no account needed
Great for copywriters and outreach teams

Accuracy: Good for detecting obvious AI writing
Pricing: Free
Best for: Outreach writers, newsletter creators, casual bloggers
Standout: Simplicity and ease of access

16. AI Writing Check – Made for Classrooms and Assignments

AI Writing Check is one of the few tools developed by educators, specifically for checking student work. It’s clean, free, and accessible — great for teachers dealing with AI-written essays.

Built by education nonprofits and academic researchers
Designed for K–12 and college educators
Offers “likely AI” or “likely human” verdicts
No login required, web-based tool
Ideal for checking assignments or classroom writing

Accuracy: Decent for basic essay-style writing
Pricing: Free
Best for: Teachers, tutors, academic coordinators
Standout: Trusted by schools and classroom communities

17. GPTRadar – Designed for Compliance and Sensitive Use Cases

GPTRadar goes beyond typical detection. It’s optimized for sensitive environments like law firms, publishers, or industries where AI disclosure is mandatory.

Offers document-level scanning with risk scores
Includes compliance tagging and usage flagging
Works with PDFs, DOCX, and plain text
Developed with EU and U.S. content regulations in mind
Supports team collaboration and audit logs

Accuracy: High for business writing, technical documentation
Pricing: Paid only (with demo available)
Best for: Legal teams, publishers, regulatory compliance
Standout: Built-in legal risk scoring

18. Copyleaks AI Content Detector – Versatile and Enterprise-Ready

Copyleaks is one of the most comprehensive detection tools, trusted by universities and corporations alike. It blends AI detection with deep plagiarism scanning.

Detects GPT, ChatGPT, Gemini, Claude, and other models
API access, browser extension, and LMS integrations
Highlights AI-generated sentences and percentages
Used by institutions and edtech platforms globally
Includes language translation detection

Accuracy: Excellent for high-stakes use cases
Pricing: Free tier for educators; paid plans available
Best for: Universities, SaaS content platforms, publishers
Standout: Dual-use for AI + plagiarism checks

19. Undetectable.ai Detector – Built to Spot AI Masking Tools

This tool is the counter to tools that try to hide AI generation. It’s focused on detecting content rewritten to appear human — often used to bypass AI detection.

Designed to spot content rewritten using AI humanizers
Tracks unnatural patterns, repetition, and flow issues
Claims to detect GPT-3.5 and GPT-4 modifications
Free with optional upgrades
Part of the same brand that builds AI humanizer tools

Accuracy: Good at spotting rephrased AI content
Pricing: Free & paid options
Best for: Editors, reviewers, detection researchers
Standout: Specialized in catching disguised AI text

20. Smodin AI Content Detector – All-in-One Academic Tool

Smodin is popular in academic circles, especially among students and researchers who use it alongside grammar tools, citation generators, and plagiarism checkers.

Offers AI detection with sentence-level breakdowns
Supports PDF and DOC uploads
Also includes citation tools, summarizers, and rewriting tools
Free usage available with basic limits
Easy to use for assignments, reports, and article reviews

Accuracy: Solid for general essays and academic writing
Pricing: Free tier available, with premium plans
Best for: Students, thesis writers, peer reviewers
Standout: All-in-one academic utility platform

21. AI Detector Pro – Minimal Interface, High Focus

AI Detector Pro does one thing and does it well — identifies machine-generated content in seconds. It doesn’t distract you with extra features or upsells.

Simple paste-and-check interface
Gives a clear verdict: AI-generated or human-written
Especially useful for short blog posts, emails, and outreach
Results load fast, even on mobile
No login or account needed

Accuracy: Moderate for general use
Pricing: Free
Best for: Outreach specialists, copywriters, micro-agencies
Standout: Speed-focused tool with no setup

22. ZeroGPT Detector – Popular but Needs Context

ZeroGPT is widely used for free checks, but it’s best used carefully. It can be overconfident on partial texts and sometimes mislabel human work.

Free with unlimited scans
Highlights suspected AI sentences
Offers a percentage-based AI score
UI works well on mobile
Good for rough checks, not ideal for final verification

Accuracy: Hit-or-miss on short content, better with 500+ words
Pricing: Free
Best for: Curious users, social media writers
Standout: One of the most searched tools — but not the most accurate

23. Turnitin AI Detection (Educator Access Only)

Turnitin’s AI detection isn’t public — it’s built into their LMS suite and only available to verified institutions. But it’s widely adopted in academic systems.

Detects AI in student essays, assignments, and theses
Embedded in educator dashboards
Offers sentence-level flags and originality scoring
No student access to the detection interface
Designed for institutions, not casual users

Accuracy: High when used with full essays
Pricing: Institutional only
Best for: Colleges, schools, research departments
Standout: Deep LMS integration and academic credibility

24. Sapling AI Detector – Focus on Business Writing

Sapling is better known for its AI writing assistant, but its AI detection feature is useful for reviewing outbound sales copy, customer responses, and chat scripts.

Detects GPT-generated content with confidence scores
Optimized for short-form business messages
Part of a larger communication tool for CRM and support
Great for spotting AI-written sales pitches
Also flags repetitive or overly generic language

Accuracy: Strong for email and business copy
Pricing: Free tier available
Best for: SDRs, sales teams, customer support managers
Standout: One of the few tools tuned for sales and CRM content

25. SEO.ai AI Detection Tool – Built for Content Teams

SEO.ai recently added an AI detector into its platform, helping content managers ensure their writers aren’t relying too heavily on automated tools.

Checks for AI in blog content, meta descriptions, and landing pages
Built-in within an SEO suite
Flags unnatural patterns or low semantic richness
Helps maintain originality in client work
Designed to support editorial transparency

Accuracy: Reliable for SEO-style articles and guides
Pricing: Paid SEO suite (free trial available)
Best for: Content agencies, SEO leads, editors
Standout: Integrated into a full SEO content platform

26. Writer.com AI Content Detector – Corporate-Focused with Clean UX

Writer.com is known for its enterprise writing assistant, and its AI detector is a helpful side tool for internal content reviews.

Designed for brand teams, content managers, and enterprise users
Detects AI-generated copy in marketing, product, and HR content
Offers quick verdicts on pasted text
No sign-up required for basic detection
Integrates with the main Writer.com suite

Accuracy: Reliable on formal and branded text
Pricing: Free AI detection tool available (premium writing tools extra)
Best for: In-house marketing teams, brand specialists
Standout: Smooth interface with corporate-grade clarity

27. GptZero – Built for Education, Evolved for Everyone

GptZero started as a student-focused tool and now offers features for journalists, freelancers, and educators. It’s one of the most recognizable names in AI detection.

Highlights AI-suspected sentences with per-line breakdowns
Upload support for DOCX and PDF
Gives a “burstiness” and “perplexity” score
Free for light use, paid for detailed reports
Trusted by universities, journalists, and policy professionals

Accuracy: Excellent with longform essays and articles
Pricing: Free + premium tiers
Best for: Educators, researchers, newsletter writers
Standout: One of the most balanced detectors for detailed work

28. DetectGPT – Research-Backed and Open Source

DetectGPT isn’t a commercial tool — it’s a Stanford-origin research project that helps academics and developers study AI-generated content patterns.

Focuses on statistical detection methods
Highlights inconsistencies in language models
Available as a GitHub project or API
Often used by developers, researchers, and tool builders
Minimal UI — not for general users

Accuracy: High when used correctly
Pricing: Open-source (free)
Best for: AI researchers, developers, data scientists
Standout: Research-grade, not plug-and-play — but powerful if configured

29. Paraphraser.io AI Detector – Quick and Functional

Paraphraser.io is known for its rewriting tool, but it also offers a free AI content detector that works decently well for basic checks.

Simple UI with paste-and-check design
Detects GPT-written content with basic classification
Focuses on short-form content (100–2,000 words)
Often paired with paraphrasing and grammar tools
Results display instantly with color-coded suggestions

Accuracy: Moderate — good for casual review
Pricing: Free
Best for: Bloggers, YouTubers, small freelancers
Standout: Lightweight tool that’s easy to combine with editing tasks

30. Kazan SEO AI Detector – Niche but Handy for SEOs

Kazan SEO includes a basic AI detector as part of its broader suite for content scoring and keyword optimization.

Gives an AI percentage score
Works best on blog posts, product reviews, and affiliate content
Includes keyword density checks alongside detection
Focused on SEO performance and originality
Useful for keeping freelance writers honest

Accuracy: Moderate for SEO-style content
Pricing: Free to use
Best for: Niche site builders, SEO bloggers, affiliate marketers
Standout: SEO-friendly AI check in a lean package

31. Winston AI – Tailored for Educators and Content Verification

Winston AI is positioned strongly in the academic space, especially for detecting AI use in student submissions and learning materials.

Scans PDFs and DOCX files, not just pasted text
Offers a content authenticity score and highlighted flags
Includes plagiarism checks alongside AI detection
Developed with educators and publishers in mind
Clean interface that works well on both desktop and mobile

Accuracy: High for essays, research papers, and lesson content
Pricing: Free trial available, then paid
Best for: Teachers, online course creators, textbook publishers
Standout: Education-first approach with multi-format upload support

32. Smodin AI Content Detector – Quick and Straightforward

Smodin offers a set of academic writing tools, and its free AI detector is one of the easiest to try out — no sign-up required.

Simple design: paste your text and hit detect
Shows a confidence percentage for AI vs. human writing
No watermark or usage restriction in free version
Part of a larger suite that includes citation tools and paraphrasing
Detection model adjusts for essay-style language

Accuracy: Good for short student essays and summaries
Pricing: Free for basic use
Best for: Students, online tutors, casual writers
Standout: Lightning-fast output with no friction

33. AISEO AI Detector – Designed for Content Publishers

AISEO has grown as an SEO writing platform, and its AI content detector helps ensure originality before publishing.

Provides sentence-level AI probability
Highlights unnatural phrasing or overused patterns
Helps check content before submitting to clients or search engines
Focuses on improving content for SEO and human readability
Also offers AI rewriting tools if content is flagged

Accuracy: Reliable on blog and listicle formats
Pricing: Freemium (free check + upsell to rewrite flagged content)
Best for: SEO writers, niche site owners, content managers
Standout: Built for publishers who want both detection and correction

34. OpenAI Classifier (Discontinued but Not Forgotten)

The OpenAI Text Classifier was a free tool designed to detect AI-written content, but it was taken down in 2023 due to low accuracy.

Gave simple scores like “likely AI” or “unclear”
Often misfired on short or mixed-style content
No longer publicly available
Still referenced in research and discussion forums
A reminder that even top AI companies struggle with AI detection

Accuracy: Low (why it was retired)
Pricing: Free while active
Best for: Historical context and learning
Standout: Important milestone in AI detection history — not a live tool

35. Crossplag AI Content Detector – Dual Engine Detection

Crossplag combines plagiarism detection with AI writing checks, making it helpful for academic integrity use cases.

Designed to work with essays, papers, and written assignments
Shows a combined originality and AI percentage
Color-coded results help simplify analysis
Good option for institutions that want a two-in-one tool
Recently added batch-checking support for bulk uploads

Accuracy: High when used on longer educational text
Pricing: Free trial + institutional pricing
Best for: Universities, training academies, online education platforms
Standout: Strong dual-detection engine for both AI and plagiarism

36. AI Text Classifier by Sapling – Built for Customer Support Teams

Sapling, known for its grammar assistant in business messaging, offers an AI detector that fits neatly into support and enterprise use.

Checks if customer replies or support tickets are AI-generated
Works well inside live chat platforms and CRMs
Highlights robotic phrasing, pattern repetition, and low-perplexity text
Supports enterprise-level user analytics and dashboards
Not designed for blogs or essays — more for business comms

Accuracy: Strong for short support messages and canned responses
Pricing: Free limited use, paid integrations
Best for: B2B SaaS support, enterprise chat teams
Standout: Rare tool made for the support and operations side of businesses

37. GLTR (Giant Language Model Test Room) – Visual and Academic

GLTR is an experimental tool built by Harvard and MIT-IBM Watson AI Lab. It doesn’t give a “yes/no” answer but instead visualizes how likely each word was to be chosen by an AI.

Color-coded system: green = predictable, red = rare
Shows probability of each word being machine-generated
Great for linguistic analysis or research
Can overwhelm casual users due to lack of summary score
Often used in academic settings or tech communities

Accuracy: Not binary — more of a linguistic probe
Pricing: Free (open academic access)
Best for: AI researchers, professors, NLP students
Standout: Deep, visual breakdown of language likelihoods

38. Copyleaks AI Content Detector – Multi-Language Strength

Copyleaks is a trusted name in plagiarism detection, and its AI detector extends this protection to machine-generated content.

Supports multiple languages including Spanish, French, German, and more
Works with education systems and publishers globally
API support for embedding in LMS or CMS
Gives clear binary score and flagging system
Certified for data security and institutional compliance

Accuracy: High on both multilingual and academic text
Pricing: Free checks + API plans for orgs
Best for: Schools, content agencies, global brands
Standout: One of the few tools handling AI detection across languages

39. Turnitin AI Detection – Classroom-Grade, School-Backed

Turnitin, a household name in plagiarism detection, added AI content detection for essays, assignments, and research papers.

Fully integrated with Turnitin workflow (used by thousands of schools)
Shows AI percentage directly in teacher dashboards
Gives transparency reports on suspected sections
Only available via institutional access — no public version
Meant for education, not general content writers

Accuracy: Very high in controlled classroom settings
Pricing: Subscription for schools and universities
Best for: Educators, school admins, professors
Standout: Classroom-trusted with built-in AI safeguards

40. WriterBuddy AI Detector – New and Gaining Traction

WriterBuddy is a newer entry into the market but has gained early attention due to its clean UX and simple output.

Paste-based detector with bold “Likely AI” or “Likely Human” verdict
No registration needed for quick checks
Built to complement their writing productivity suite
Easy to use, even for beginners or non-tech users
Accuracy decent for general blog content

Accuracy: Moderate, still evolving
Pricing: Free
Best for: Beginner bloggers, productivity fans
Standout: Minimalist, friendly approach for everyday use

41. Kazan SEO AI Detector – SEO-Focused with Dual Utility

Kazan SEO isn’t just about keyword optimization — it also offers a lightweight AI content checker baked right into its suite.

Designed for SEO professionals to audit blog and website content
Checks for machine-generated signals alongside keyword metrics
Not a full-featured detector but adds helpful signals during content review
Integrates with SERP analyzer and topic modeling tools
A solid bonus for people already using Kazan SEO

Accuracy: Best for identifying obvious AI content in blog workflows
Pricing: Free with limited SEO features
Best for: SEO strategists, content marketers
Standout: Combines AI detection with keyword clustering in one dashboard

42. GPTZeroX – Educator-Focused with Document Uploads

GPTZeroX builds on the original GPTZero tool with more robust input types and deep scanning for long-form educational content.

Accepts full essays, research papers, and PDF/DOCX files
Highlights AI-written sections sentence by sentence
Works well on academic language and citation-heavy text
Offers free and paid tiers with report exports
Built with transparency and classroom trust in mind

Accuracy: Strong for student-style writing and scholarly tone
Pricing: Free plan available with report downloads
Best for: Teachers, universities, thesis reviewers
Standout: Detailed per-sentence reporting with clean exports

43. Scribbr AI Detector – Student-Safe, Citation-Aware

Scribbr is known for its citation and grammar tools, and its AI detector helps ensure students submit human-written work.

Tailored for student papers, assignments, and college essays
Integrates with citation generation tools like APA, MLA, and Chicago
Gives clear pass/fail detection with reasoning
Privacy-first approach — no saving of student work
Trusted in many academic support platforms

Accuracy: High for essay format and college-level writing
Pricing: Free usage with optional editing service
Best for: Students, thesis editors, writing coaches
Standout: Combines citation-aware editing with AI detection

44. Writer.com AI Detection – Enterprise-Ready Checker

Writer.com is an AI writing assistant used in enterprise content workflows — and it includes an AI detection module to verify originality.

Works inside brand communication, internal docs, and marketing content
Can identify sections generated by language models
Enterprise-grade security and API integration
Built to fit into content governance and compliance pipelines
Not designed for freelance or casual use

Accuracy: Reliable for structured marketing and corporate writing
Pricing: Enterprise pricing only
Best for: Large teams, regulated industries
Standout: A high-trust solution for internal content auditing

45. SEO.ai Content Detector – Built for Long-Form Writers

SEO.ai helps writers plan and optimize content for Google rankings, and its AI detector ensures that what’s published isn’t over-automated.

Runs detection inside blog optimization workflows
Works well on 1,000+ word articles
Also checks for originality and keyword balance
Gives confidence scores with suggestions for rewriting
Ideal for SEO freelancers and agency clients

Accuracy: Great for blog, guide, and tutorial content
Pricing: Free limited checks; full tool requires subscription
Best for: SEO writers, niche bloggers
Standout: Seamlessly blends AI detection into the writing process

46. ZDetect by Zek AI – Built for Simplicity and Speed

ZDetect is a lightweight AI content checker created by Zek AI — known for its minimalist layout and fast scanning capability.

Paste-based detection with clear “AI” or “Human” verdict
No login or sign-up required
Uses proprietary indicators beyond just perplexity and burstiness
Extremely fast — ideal for quick spot-checks
Still relatively new, so accuracy is evolving

Accuracy: Moderate to good for everyday content
Pricing: Free
Best for: Bloggers, students, casual reviewers
Standout: Blazing-fast and beginner-friendly detection in one click

47. Sapling AI Detector – Business Messaging First

Sapling’s AI detector is part of a suite meant for enterprise support communication. Unlike others, it’s tailored to help teams avoid robotic or AI-sounding replies.

Real-time alerts when agents type overly AI-like responses
Works within Zendesk, Salesforce, and CRMs
Designed to maintain brand tone and customer trust
Doesn’t generate new content — focuses only on detection
Excellent for customer service leaders

Accuracy: High for short, templated messages
Pricing: Enterprise-tier only
Best for: Support teams, large CRMs, contact centers
Standout: Real-time, in-chat AI tone checking for agents

48. Hive Moderation AI Detection – Social Media & Platform Safety

Hive is known for content moderation across platforms, and their AI detection module is part of that trust-and-safety stack.

Flags generative AI text across social posts, comments, reviews
Also detects deepfake videos, images, and spam bots
AI detection model trained on billions of social content examples
Scales well for apps, games, and UGC platforms
Requires integration — not for casual bloggers

Accuracy: Very high on short-form UGC
Pricing: Custom (platforms and enterprises)
Best for: SaaS tools, forums, social apps
Standout: AI detection as part of a wider moderation strategy

49. WriterGuard – Audit Tool for Agencies and Freelancers

WriterGuard is built for those running content teams or managing outsourced writing. It helps agencies validate if writers are using AI without transparency.

Upload full articles or batch-check multiple documents
Gives confidence scores and flags potentially AI-written sections
Sends detailed reports for client transparency
Protects agency reputation from hidden AI use
Especially helpful for editorial workflows and ghostwriting

Accuracy: Very good on long-form content
Pricing: Free scans, pay-per-report or monthly plan
Best for: Editors, agency managers, premium blog networks
Standout: Client-friendly reporting + batch upload detection

50. Winston AI – Designed for Educators and Nonprofits

Winston AI is purpose-built to help teachers and institutions detect AI-generated content in essays, grant letters, and student work.

Accepts doc, PDF, and pasted text
Gives AI likelihood score + plagiarism check side-by-side
FERPA and GDPR compliant
Built with nonprofit and classroom budgets in mind
Excellent UI, clean and transparent results

Accuracy: Excellent for academic writing
Pricing: Free tier + paid reports
Best for: Teachers, grant writers, education nonprofits
Standout: Dual-mode reports for AI + plagiarism in one tool