Top Alternatives to GPTZero - Better Options for 2026
Uncover the truth with GPTZero's AI detector.
Trusted by 254,745+ software buyers annually.
Main Features
- AI Content Detectors
- AI Scores
- API Integration
- Batch file scans
Pricing
Starts from $8.33/month when yearly, also offers free forever plan
GPTZero is a AI Content Detectors Software platform. Teams looking for alternatives typically need better pricing flexibility, easier deployment, or a closer feature fit for their specific use case. Below you'll find 10 vetted AI Content Detectors Software alternatives ranked by user rating, with filters to narrow by pricing, platform, and features — so you can find the right fit for 2026.
How we rank: Alternatives are ordered by Spotsaas Spot Score — a composite of user ratings, review volume, and feature coverage — with sponsored placements clearly labeled.
GPTZero vs Top Alternatives at a Glance
Side-by-side comparison of pricing, user rating, and free trial availability to help you shortlist faster.
| Tool | Best For | Pricing | Rating | Free Option |
|---|---|---|---|---|
| GPTZero Current | AI Content Detectors Software | $8.33 | No reviews | ✓ Yes |
 Undetectable AI | AI Content Detectors Software | $5 | No reviews | ✓ Yes |
 Sapling AI Content Detector | AI Content Detectors Software | $0 | No reviews | ✓ Yes |
 Polygraf AI Content Detector | AI Content Detectors Software | $9 | No reviews | ✓ Yes |
 The Humanizer | AI Content Detectors Software | $9 | No reviews | ✓ Yes |
 Winston AI | AI Content Detectors Software | $0 | No reviews | ✓ Yes |
Showing 1-10 out of 10
List of the Top GPTZero alternatives as of June 2026
Compare business software, products, and services to find the best solution for your business or organization. Use the filters on the left to drill down by category, pricing, features, market segment, user ratings, and more.
Undetectable AI
Elevate your AI content's human touch.
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What is Undetectable AI?
Undetectable AI is built to detect AI-written text and make AI-generated content more human. This tool was developed for marketing professionals, SEOs, writers, bloggers, journalists, researchers, and anyone concerned about being falsely accused of using AI for writing content. Undetectable.ai ...
Read moreCommon Features
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Reports
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API Integration
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Multi-language Support
+ 12 more
Unique Features
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Writing Assistant
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Resume Builder
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AI Chatbot
+ 5 more
Pricing
Free Trial available, Try Now
Starts from $5/month when yearly, also offers free forever plan
Sapling AI Content Detector
The ultimate AI content verification tool.
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What is Sapling AI Content Detector?
Sapling offers an AI detector designed to output the probability that a text has been generated by an AI model such as ChatGPT or Gemini. Using a machine learning system, Sapling functions similarly to AI content generation models but instead evaluates the likelihood that each word or token in ...
Read moreCommon Features
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API Integration
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Reports
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Multi-language Support
+ 7 more
Unique Features
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Text Analytics
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Artificial Intelligence
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Content Identification
+ 1 more
Pricing
Free Trial available, Try Now
Starts from $0/month, also offers free forever plan
Polygraf AI Content Detector
Effortless AI Content Verification and Plagiarism Checking
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What is Polygraf AI Content Detector?
Polygraf AI Content Detector stands as one of the most reliable tools for identifying AI-generated content, offering over 98% detection accuracy. Available as both a Chrome Extension and a web tool, it provides users with an easy-to-use solution for verifying content authenticity. What sets ...
Read moreCommon Features
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Reports
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Multi-language Support
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Writing Style Analysis
+ 9 more
Unique Features
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Real-time Activity Tracking
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Contact Management
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Content Analytics
+ 4 more
Pricing
Free Trial available, Try Now
Starts from $9/month when yearly
The Humanizer
Seamlessly Transform AI-Generated Content into Authentic, Human-Like Text
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What is The Humanizer?
The Humanizer is a leading AI humanization tool that effortlessly converts AI-generated content into natural, human-like text, ensuring a seamless reading experience. It offers an easy-to-use interface where users simply paste their text and click the "Humanize" button, receiving the ...
Read moreCommon Features
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Reports
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Collaboration Tools
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Multi-language Support
+ 8 more
Unique Features
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SEO Optimized
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Artificial Intelligence
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Content Identification
+ 1 more
Pricing
Free Trial available, Try Now
Starts from $9/month when yearly
Winston AI
Uncover AI-generated content with certainty.
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What is Winston AI?
Winston AI is an AI content detection tool for checking AI-generated content from models like ChatGPT, GPT-4, Google Gemini, and more. It now supports AI detection for English, French, Spanish, Portuguese, German, and Dutch content. Additionally, the software includes a plagiarism detection tool.
Read moreCommon Features
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API Integration
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Multi-language Support
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Text Analysis
+ 7 more
Unique Features
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Writing Assistant
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Artificial Intelligence
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API Access Management
+ 3 more
Pricing
Free Trial available, Try Now
Starts from $0/month when monthly, also offers free forever plan
Humbot AI Checker
Detect and defeat AI content with ease.
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What is Humbot AI Checker?
Humbot AI Checker is a user-friendly platform designed to instantly detect AI-generated content by scanning your text across multiple popular detectors such as Copyleaks, GPTZero, and ZeroGPT—all in one click. Ideal for students, bloggers, marketers, content creators, and business ...
Read moreCommon Features
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API Integration
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Text Analysis
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Writing Style Analysis
+ 8 more
Unique Features
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Artificial Intelligence
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Encryption
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Color-Coded Detection
+ 2 more
Pricing
Free Trial available, Try Now
Starts from $0/month when monthly
ZeroGPT Plus
Advanced AI Content Detection and Humanization Tool
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What is ZeroGPT Plus?
ZeroGPT Plus is a free, AI content detection platform designed to help educators, marketers, writers, publishers, and students ensure their content is original and human-written. Built for anyone who needs to validate authenticity—such as academic institutions, content teams, and editorial ...
Read moreCommon Features
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Reports
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Multi-language Support
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Grammar Check
+ 6 more
Unique Features
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Artificial Intelligence
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Content Identification
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Real-time Content Monitoring
Pricing
Free Trial available, Try Now
Writer AI Content Detector
Effortlessly perfect your writing with AI detection.
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What is Writer AI Content Detector?
Writer is the full-stack generative AI platform for enterprises. Writer AI Content Detector allows users to check up to 5,000 words, and decide if they want to make adjustments before they publish.
Read moreCommon Features
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Writing Style Analysis
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API Integration
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AI Scores
+ 5 more
Unique Features
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Workflow Automation
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Knowledge Base
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Role Management
+ 8 more
Pricing
Free Trial available, Try Now
Starts from $18/user/month when monthly, also offers free forever plan
Copyleaks
AI-Powered Text Analysis for Originality and Authenticity Protection
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What is Copyleaks?
Copyleaks is a comprehensive content integrity platform that offers advanced AI and plagiarism detection for businesses, educators, and content creators. Designed to support academic institutions, publishers, and corporate teams, Copyleaks ensures content authenticity by identifying ...
Read moreCommon Features
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Grammar Check
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Plagiarism check
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API Integration
+ 5 more
Unique Features
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AI Model
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Writing Assistant
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Artificial Intelligence
+ 2 more
Pricing
Starts from $14/month when yearly
AiDetectPlus
Stop AI from sounding robotic with AIDetectorPlus.
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What is AiDetectPlus?
AIDetectorPlus is unique in its ability to explain how it works—detailing how and where AI was detected in your content and how it removed AI-generated elements to make the content sound more human. AIDetectorPlus is the only tool with specialized detectors and humanizers designed for your ...
Read moreCommon Features
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Reports
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API Integration
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Text Analysis
+ 2 more
Unique Features
No unique features
Pricing
Starts from $5.00 (One-Time)
Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
