Best 201 ai detection tool Tools in 2026

AI Content Detection
Plagiarism Checker
AI Paraphraser
AI Summarizer
AI Grammar Checker
AI Translator
Word Counter
AI Email Helper
Citation Generator
AI Chatbot

PRO 7.99 /month Enjoy a Pro Experience without ads, 100,000 Characters per AI detection, 50 Batch files check for AI detection, Generate PDF report for AI detection, History of all your detections (text not included), 2,000 Prompts in ZeroCHAT-4, 750 Words in Plagiarism Checker One-time-only, 1,500 Words in AI Summarizer, 300 Words in AI Paraphraser, Paraphrase in 2 Modes, 1,000 Words in AI Grammar & Spell Check, 500 Words in AI Translator, Generate Emails & Replies with AI
PLUS 14.99 /month Enjoy a Pro Experience without ads, 100,000 Characters per AI detection, 60 Batch files check for AI detection, Generate PDF report for AI detection, History of all your detections (text not included), 2,000 Prompts in ZeroCHAT-4, 25,000 Words in Plagiarism Checker per month, 1,500 Words in AI Summarizer, 300 Words in AI Paraphraser, Paraphrase in 2 Modes, 1,000 Words in AI Grammar & Spell Check, 500 Words in AI Translator, Generate Emails & Replies with AI
MAX 18.99 /month Enjoy a Pro Experience without ads, 150,000 Characters per AI detection, 75 Batch files check for AI detection, Generate PDF report for AI detection, History of all your detections (text not included), 3,500 Prompts in ZeroCHAT-5, 40,000 Words in Plagiarism Checker per month, 10,000 Words in AI Summarizer, 5,000 Words in AI Paraphraser, Paraphrase in Unlimited Modes, 10,000 Words in AI Grammar & Spell Check, 3,000 Words in AI Translator, Generate Emails & Replies with AI, Access ZeroGPT on Whatsapp and Telegram
Beginner (API) $0.034 /1000 Words (AI Detection) 50,000 Characters per detection, 40 Batch files, 2MB Max file size, History of all your detections (text not included), Unlimited Integrations, Input $0.0035 /1000 Words (Text Transformers), Output $0.008 /1000 Words (Text Transformers), Max 5,000 Words per input (Text Transformers), $0.5 /1000 Words (Plagiarism Checker), ** $0.15 is applied for detection of less than 300 words (Plagiarism Checker)
PRO (API) $0.049 /1000 Words (AI Detection) 150,000 Characters per detection, 75 Batch files, 5MB Max file size, History of all your detections (text not included), Unlimited Integrations, Input $0.0045 /1000 Words (Text Transformers), Output $0.0095 /1000 Words (Text Transformers), Max 10,000 Words per input (Text Transformers), $0.55 /1000 Words (Plagiarism Checker), ** $0.165 is applied for detection of less than 300 words (Plagiarism Checker)
VIP (API) $0.069 /1000 Words (AI Detection) 500,000 Characters per detection, 150 Batch files, 15MB Max file size, History of all your detections (text not included), Unlimited Integrations, Input $0.007 /1000 Words (Text Transformers), Output $0.015 /1000 Words (Text Transformers), Max 20,000 Words per input (Text Transformers), $0.6 /1000 Words (Plagiarism Checker), ** $0.18 is applied for detection of less than 300 words (Plagiarism Checker)

Users can detect AI-generated text by pasting text or uploading files. The tool highlights AI-written sentences and provides an AI percentage. Other tools can be used by pasting text or uploading files into the respective tool interfaces.

AI Detection
Advanced AI Scan
AI Vocabulary Detection
Plagiarism Checker
Authorship Verification
Source Finder
Grammar Check
AI Grader

Essential $8.33/month (Billed $99.96 annually) 150,000 words per month. Includes Basic AI Scan, Grammar Check, AI Vocabulary Check, and Chrome Extension.
Premium $12.99/month (Billed $155.88 annually) 300,000 words per month. Includes all of Essential, Advanced Scan, Writing Feedback, Plagiarism Check, and Source and Generate Citations.
Professional $24.99/month (Billed $299.88 annually) 500,000 words per month. Includes all of Premium, Up to 10 million words overage, Scan up to 250 files at once, Page by page scanning, Teams Collaboration, and Enterprise grade security.

To use GPTZero, simply paste the text you want to check into the provided text box or upload a file. The tool will then analyze the text and provide an overall detection result, highlighting sentences where AI is detected. For more extensive use, you can sign up for a free account or download the Chrome extension.

AI-powered video repurposing
Automatic clip creation with virality score
AI animated captions
AI B-Roll generation
AI Reframe for different aspect ratios
Social media scheduler

Free $0 60 credits per month, up to 1080p rendered clips, auto reframe, AI captions with emoji and keyword highlighter, has watermark, no editing, after 3 days, the clips will no longer be exportable
Starter $15/mo 150 credits per month, AI clipping with Virality Score, AI animated captions in 20+ languages, Auto post to YouTube Shorts, TikTok, IG Reels, or download, Powerful editor, 1 brand template, Filler & silence removal, Remove Watermark
Pro $29/mo ($14.50/mo yearly) 3,600 credits per year, available instantly, Team workspace with 2 seats, 2 brand templates, 6 social account connections, Everything in Starter plan, plus: AI B-roll, Input from 10+ sources, Export to Adobe Premiere Pro & DaVinci Resolve, Multiple aspect ratios (9:16, 1:1, 16:9), Social media scheduler, Intercom chat support, Custom fonts, Speech enhancement
Business Custom Customized credits, team seats and social account connections, Tailored business assets: brand templates, fonts, vocabulary & more, Dedicated storage, API & custom integrations, Master Service Agreement (MSA), Priority support with a dedicated Slack channel, Enterprise-level security

Upload a long video to OpusClip, and the AI will automatically identify key moments and create engaging short clips optimized for various social media platforms. Users can customize these clips further using the built-in editor.

Bot Detection
Fraud Protection
Account Defense
Private Learning AI
Risk Scoring
Passive (No-CAPTCHA) Mode
APT Mitigation Features
Enterprise SLAs
Multi-User Dashboard, SAML SSO
Advanced Analytics & Reporting APIs

Basic (Free) $0 Get started instantly with leading bot mitigation.
Pro $139 per month (monthly billing) or $99 per month (annual billing) Frictionless user experience, 100K monthly evals included, then $0.99/1K.
Enterprise Talk to Sales Best-in-class fraud protection from bots and human abuse.

hCaptcha can be deployed with just a few lines of code, offering universal support through hundreds of plugins and native integrations. It features passive and no-CAPTCHA modes, server-side API protection, and customizable themes to fit specific security needs.

AI Audio Separation
Smart Metronome & Audio Speed Changer
Pitch Changer & AI Key Detection
Chord Detection

Upload a track or use a YouTube link on the Moises website or app. The AI will process the song and allow you to separate vocals and instruments, adjust speed and pitch, and more.

AI-powered watermark removal
Bulk watermark removal
API integration
Support for multiple image formats

WM New 100 Credits Monthly Plan SGD 6.99 100 Credits Monthly Plan
WM 200 credits monthly Plan SGD 9.99 WM 200 credits monthly Plan
WM New 500 Credits Monthly Plan SGD 14.99 WM New 500 Credits Monthly Plan
WM 1000 Credits Monthly Plan SGD 19.99 WM 1000 Credits Monthly Plan
WM 1200 Credits Yearly Plan SGD 3.749167 WM 1200 Credits Yearly Plan
WM New 2400 Credits Yearly Plan SGD 5.832500 WM New 2400 Credits Yearly Plan
WM 6000 Credits Yearly Plan SGD 8.332500 WM 6000 Credits Yearly Plan
WM New 12000 Credits Yearly Plan SGD 11.665833 WM New 12000 Credits Yearly Plan
WM New 50 Credits Addon SGD 7.99 WM New 50 Credits Addon
WM 200 Credits Addon SGD 24.99 WM 200 Credits Addon
WM 500 Credits Addon SGD 54.99 WM 500 Credits Addon
WM 1000 Credits Addon SGD 84.99 WM 1000 Credits Addon

Upload an image to WatermarkRemover.io, and the AI will automatically detect and remove the watermark. Then, download the watermark-free image.

AI content humanization
AI detection bypass
Built-in AI detector
Multi-language support

Free Free 300 words per request, Access to Ninja Model, Can be verified with Most Detectors, Daily Limit (5000 words)
Basic $20/month 400 words per request, Access to Ninja model, Can be verified with All Detectors, Unlimited Ninja words, Access to Ghost model, 20,000 Ghost words, Access to Generator
Standard $35/month 1000 words per request, Access to Ninja model, Can be verified with All Detectors, Unlimited Ninja words, Access to Ghost model, 50,000 Ghost words, Access to Generator, Priority customer support
Premium $50/month 2000 words per request, Access to Ninja model, Can be verified with All Detectors, Unlimited Ghost words, Access to Generator, Priority customer support, Access to Beta Features, Access to private discord channel

To use StealthWriter, paste your AI-generated text into the tool, click the 'Humanize' button, view and modify the new content as needed, and then test the content with the built-in AI detector to ensure it maintains a natural quality.

AI Content Detection
Plagiarism Checker
Writing Assistant
API Integration
LMS Integration
Browser Extension

AI + Plagiarism Detection $13.99 /mo Up to 1,200 Credits (1 credit equals 250 words)
Plagiarism Checker $8.99 /mo Up to 1,200 Credits (1 credit equals 250 words)
AI Detector $7.99 /mo Up to 1,200 Credits (1 credit equals 250 words)
Enterprise & LMS Contact us For a plan tailor-made to fit the needs of your organization

Users can upload documents, paste text, or integrate Copyleaks' API into their existing systems to scan for plagiarism and AI-generated content. The platform provides detailed reports highlighting potential issues and sources of similarity.

AI to human text conversion
Bypassing AI detection tools
Scene-specific writing styles
Multiple rewrite versions

Basic Plan (Monthly) $15 /mo Humanize AI: 15,000 words/month, Support Autopilot Pro mode, 500 words per requests, View history, Support all rewrite styles, Standard rewrite speed, Undetectable by all AI Detectors
Standard Plan (Monthly) $25 /mo Humanize AI: 50,000 words/month, Support Autopilot Pro mode, 1500 words per requests, View history, Support all rewrite styles, Accelerated rewrite speed, Undetectable by all AI Detectors
Pro Plan (Monthly) $40 /mo Humanize AI: Unlimited words, Support Autopilot Pro mode, 3000 words per requests, View history, Support all rewrite styles, Accelerated rewrite speed, Undetectable by all AI Detectors
Basic Plan (Yearly) $5 /mo (billed annually) Humanize AI: 15,000 words/month, Support Autopilot Pro mode, 500 words per requests, View history, Support all rewrite styles, Standard rewrite speed, Undetectable by all AI Detectors
Standard Plan (Yearly) $10 /mo (billed annually) Humanize AI: 50,000 words/month, Support Autopilot Pro mode, 1500 words per requests, View history, Support all rewrite styles, Accelerated rewrite speed, Undetectable by all AI Detectors
Pro Plan (Yearly) $20 /mo (billed annually) Humanize AI: Unlimited words, Support Autopilot Pro mode, 3000 words per requests, View history, Support all rewrite styles, Accelerated rewrite speed, Undetectable by all AI Detectors

Paste AI-generated text, click 'Humanize AI Text', and wait 10 seconds to get humanized text.

Automated annotation tools
Hosted model training infrastructure
Low-code interface for building pipelines
Deployment solutions for edge and cloud
Data curation and analytics
Model evaluation and monitoring

Public Free For open source
Basic $49/month ($65/month billed monthly) For small teams
Growth $299/month ($399/month billed monthly) For startups
Enterprise Custom Pricing For organizations

To use Roboflow, start by creating an account and uploading your image or video data. Use the platform's annotation tools to label your data, then train a computer vision model using Roboflow's hosted infrastructure. Finally, deploy your model to the edge, in your VPC, or via API.