5+ Best Ai Detector Tool Free+Paid 2025

Nowadays, a lot of content on the Internet is being written using AI (Artificial Intelligence) tools like ChatGPT, Bard, or Claude. In such a situation, it has become important to know which content is written by humans and which by machines. This question becomes even more important, especially in education, SEO, and professional reporting. In this post, we will discuss some of the best AI detectors of 2025, which will help you identify whether the content is real or artificial.

Note: No AI detector available on the internet gives 100% accurate results, it has been seen many times that even content written by humans is shown to be written by AI, But to some extent the result is correct.

Ai Detector Tool NameKey FeaturesAccuracyBest For
GPTZeroSentence-level detection, Educator focusedHighEssays, Education
Originality.aiSEO + AI + PlagiarismVery HighBloggers, Agencies
TurnitinAcademic + AI detectionTrustedUniversities
Content at ScaleFree + fastModerateBloggers
Sapling AIGrammar + AIModerateSentence-level detection, educator-focused
Zero GPT, Rating ⭐ 4.7/5

ZeroGPT is a tool that detects AI-generated content, helping users identify whether a text is written by a human or AI. It offers a free version with limited features and a pro version with more advanced tools like unlimited scans, plagiarism checks, and PDF reports. It’s ideal for educators and content creators needing content verification.

FeatureFree PlanPro Plan ($9.99/month or $95.88/year)
AI Detection Usage8 times per day100,000 characters per detection
Max Characters per Submission5,000 characters100,000 characters
Daily AI Detection Limit10,000 charactersUnlimited within usage cap
AI Humanizer Limit5,000 characters per dayMore capacity (exact limit not listed)
Plagiarism Check3 times per day750 words per month
Document (File) Scan✅ Yes✅ Yes (up to 50 files in batch)
PDF Report Export❌ No✅ Yes
Detection History❌ No✅ Yes (text not stored)
Branding Removal✅ Yes✅ Yes
ZeroCHAT-4 Prompts❌ No2,000 per month
AI Summarizer❌ NoUp to 1,500 words
AI Paraphraser❌ No300 words with 2 modes
Grammar & Spell Checker❌ NoUp to 1,000 words
AI Translator❌ NoUp to 500 words
AI Email Generator❌ No✅ Yes
Originality.ai,  Rating ⭐ 4.6/5

Originality.ai is a powerful AI content detector built specifically for content marketers, SEO professionals, and web publishers. It doesn’t just detect AI-written text, but also checks for plagiarism, making it a go-to tool for serious content quality control. With a clean interface, team collaboration features, and high accuracy (even with GPT-4), it’s trusted by professionals who care about originality.

FeaturePay-as-You-Go PlanPro Subscription Plan
Pricing✅ One-time $30 for 3,000 credits✅ $14.95/month or $12.95/month annually
Credit Expiry✅ Valid for 2 years✅ Credits renew every month
AI Content Detection✅ Detects AI-generated content✅ Detects AI-generated content
Plagiarism Checker✅ Included with each scan✅ Included with each scan
Readability Checker✅ Measures how easy your text is to read✅ Same feature available
Fact-Checking Tool❌ Not available✅ Helps verify factual accuracy
File Upload Support✅ Can upload documents to scan✅ Same feature included
Scan History✅ Stores last 30 days of activity✅ Unlimited scan history
Team Member Access❌ Only single-user access✅ Add and manage team members
Full Site Scan❌ Cannot scan websites✅ Scan entire domains for content
Scan from URL❌ URL scan not supported✅ Paste any link to scan its content
API Access❌ No developer/API integration✅ Full API access included
Early Feature Access❌ Limited tool updates✅ Get all new tools and updates early
Turnitin,(Ai Detector Tool) Rating ⭐ 4.5/5

Turnitin is a widely used tool for detecting plagiarism and ensuring content originality. It compares submitted documents against a vast database of academic papers, journals, and online content. Turnitin is popular among educators and institutions for maintaining academic integrity and helping students avoid unintentional plagiarism.

FeatureFree TrialPro Subscription
Pricing✅ Free for 60 days✅ Custom pricing based on institution
Access✅ 1 teacher account, 100 student accounts✅ Unlimited access for institution-wide use
AI Detection✅ Available during trial period✅ Full access
Plagiarism Checker✅ Available during trial period✅ Full access
Feedback Tools✅ Limited access✅ Comprehensive tools
Draft Coach✅ Available during trial period✅ Full access
Integration with LMS❌ Limited or no integration✅ Full integration with platforms like Canvas, Moodle, etc.
Scan History✅ Limited to trial period✅ Unlimited history
Team Management❌ Not available✅ Manage multiple users and roles
Full Site Scan❌ Not available✅ Scan entire websites
API Access❌ Not available✅ Full API access
Early Feature Access❌ Not available✅ Access to new features before general release
Brandwell AI Content Detector, Rating ⭐ 4.6/5

Brandwell Content Detector is a tool that helps businesses and marketers identify AI-generated content. It analyzes text to detect patterns and inconsistencies typical of machine-written material. Brandwell is useful for ensuring content authenticity, protecting brand integrity, and maintaining trust by distinguishing between human and AI-generated text.

FeatureFree PlanPro Plan
AI Detection✅ Detects AI-generated content✅ Advanced detection with detailed analysis
Plagiarism Checker✅ Included✅ Enhanced with comprehensive reporting
Character Limit per Scan✅ Up to 2,500 characters✅ Up to 50,000 characters
Scan History✅ Limited access✅ Unlimited access
URL Scanning❌ Not available✅ Available
AI Image Detection✅ Basic detection✅ Advanced detection with detailed insights
Humanization Suggestions❌ Not available✅ Provides rewriting suggestions
Multilingual Support❌ Not available✅ Supports multiple languages
API Access❌ Not available✅ Available for integration
Team Collaboration❌ Not available✅ Supports multiple users
Sapling AI Detector
Sapling AI, Rating ⭐ 4.4/5

Sapling AI is a writing assistant that helps users enhance their content through AI-powered suggestions. It focuses on improving grammar, style, and tone for businesses, marketers, and customer support teams. Sapling integrates seamlessly with platforms like Gmail and Salesforce, making communication more efficient and professional across various channels.

FeatureFree PlanPro Plan
Pricing$0/month$25/month (or $12/month billed annually)
Autocomplete✅ Basic suggestions✅ Advanced, everywhere
Rephrase❌ Not available✅ Included
Snippets✅ 20✅ Unlimited
AI Detection✅ Basic✅ Enhanced with longer queries
Chat Assist❌ Not available✅ Included
Team Analytics❌ Not available✅ Included
Domain Administration❌ Not available✅ Included
API Access❌ Not available✅ Available (separate plan)
Support❌ Not available✅ Email & ticket support

All the AI detector tools mentioned here are the best and popular. Hope you liked this tool, if you want to know about more AI tools, then search on this website, you will get information about all AI tools.

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