Top 29 X Detector Alternatives in 2026
100% positive · 4 user reviews FreemiumX Detector analyzes up to 5,000 characters, giving per‑word probability scores to identify whether a passage was written by ChatGPT, Claude, Gemini, or a human. It supports over 20 languages, processes millions of texts, and encrypts data for privacy.
We've ranked 29 X Detector alternatives, including 25 with a free plan. Rankings are based on feature coverage and user feedbacks.
Top-rated alternatives include AI detect, ChatGPT, and GPTKit.
29 X Detector Alternatives & Competitors, Ranked by User Reviews
Click Compare on any tool to compare it side-by-side with X Detector.
#1
AI detect
AI Content Detector evaluates text for AI authorship, handling uploads up to 4 MB or pasted input. It returns a detection score, readability rating, and grade assessment, comparing against models such as ChatGPT, Gemini, Claude, and LLaMA. Useful for researchers, educators, and publishers to verify authenticity.
ChatGPT is an AI chatbot based on large language models family created by OpenAI for general purpose chat that allows users to ask any question or prompt to AI, making it a useful tool for many writing processes.
#3
GPTKit
Gptkit is an AI tool that detects and classifies human-written and machine-generated text using a multi-model approach with accuracy up to 93%.
#4
GPT Zero
GPTZero AI Detector scans documents for potential AI-generated content, providing in-depth results on AI probabilities, vocabulary analysis, and hallucination detection, as well as plagiarism checking and authorship verification capabilities.
#5
Learn Prompting Pro
AI Detector identifies text from ChatGPT, Claude, Gemini, Jasper, Copy.ai, and more using a multi‑algorithm system, providing instant percentage scores and sentence‑level breakdowns. It runs entirely client‑side, protecting privacy while verifying authenticity for content managers, educators, and businesses.
#6
ZeroGPT.CC
ZeroGPT detects AI‑generated text from models such as GPT‑4, LLaMA, Claude, and Jasper. It returns a percentage of AI content, sentence‑level flags, and a readability score, helping educators, writers, and SEO professionals verify authenticity.
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#7
WriteHuman
WriteHuman AI Humanizer refines ChatGPT, Claude, Gemini, and Deepseek outputs into natural prose, preserving the author’s voice. It offers readability scanning, AI detection, multiple variations, word‑count control, and web/API access for batch workflows.
#8
GPTZero.cc
GPT Zero analyzes up to 2,000 characters, distinguishing machine‑generated from human‑written text with a trained model. It outputs confidence scores, supports generators like ChatGPT and GPT‑4, and helps authors, educators, and publishers verify originality.
#9
ZeroGPT
ZeroGPT is a comprehensive AI tool suite offering advanced features for content detection, text refinement, and translation, including AI detection, plagiarism checking, humanization, and summarization.
#10
Undetectable AI
Undetectable AI scans text and images for signatures of models like GPT‑4, Gemini, and Claude, combining multiple engine results into a probability score. It handles paraphrased content, supports 50+ languages, and offers a Chrome extension and API.
#11
textadviser.com
TextAdviser delivers AI‑powered language tools: grammar checking, plagiarism detection, syntactic analysis, fast text generation, rewriting, tone humanization, summarization, and name/title creation. It supports English, Spanish, Portuguese, Italian, French, and German for writers, students, marketers, and translators.
#12
Detecting-AI.com
Detecting‑AI scans text in 50+ languages, marking AI‑generated sentences with probability scores. It integrates with Chrome, Moodle, Zapier, and offers an API, delivering up to 98% accuracy and low false‑positives while protecting user privacy.
#13
AI Detector Writer
AI Content Detector - Trusted GPT-4 analyzes text to identify human-written versus AI-generated content. It offers document uploads, supports multiple languages, and provides percentage-based insights on originality, making it useful for educators and content creators.
#14
ContentDetector.ai
ContentDetector.AI is a free tool that identifies AI-generated written text, including Chat GPT and GPT 3 content, and provides an estimated percentage score of AI generation likelihood.
#15
ZeroGPT.Tools
ZeroGPT is a web‑based AI detector that evaluates text for content from models like ChatGPT, GPT‑4, Claude, and more, delivering a percentage score. It accepts up to 2,000 words paste, unlimited uploads, runs locally, and offers a Chrome extension.
Claude is an advanced AI assistant designed for a variety of tasks, including code generation, writing, productivity enhancement, and business automation. It is highly adaptable, intelligent, and customizable to meet diverse user needs.
#17
Poe.com
Poe.com is a web tool for chatting with multiple AI models from one interface. It offers free quota to chat with ChatGPT and GPT4, and the quota renews daily.
#18
Google Gemini
Gemini is an AI assistant and chatbot provided by google based on Gemini LLM family. It provides access to Google's advanced AI systems with many features and integrations to help you with daily workflows and tasks."
#19
AI Detector Pro
AI Detector Pro provides comprehensive recognition of AI-generated text and includes advanced features to manage AI generation reports efficiently.
#20
GPTinf
AI Humanizer refines text by restructuring sentences to improve flow and reduce mechanical patterns while preserving meaning. It offers adjustable rewrite modes, selective paragraph editing, keyword protection, and built‑in AI detection and plagiarism checks.
#21
Dechecker ai
Dechecker AI is an AI content detector that identifies text generated by models like ChatGPT, Claude, and Gemini. It provides sentence-level analysis with highlighted passages and offers rewriting suggestions to enhance originality and readability.
#22
BypassGPT AI
BypassGPT rewrites AI‑generated content to be human‑readable, correcting grammar and punctuation while producing SEO‑friendly, plagiarism‑safe text. It also bypasses spam filters and supports over 50 languages with an API for marketers and students.
#23
AI undetect
AI Undetect evaluates AI‑generated content and rewrites it into human‑like text in 20+ languages. It integrates with ChatGPT, Claude, and Jasper, offering manual and auto‑perfect modes, and shows unified detection results from GPTZero, Copyleaks, Turnitin, Originality AI, and more.
#24
BypassGPT
BypassGPT rewrites AI‑generated text into human‑like, plagiarism‑free content. It supports keyword‑rich SEO, file upload and API integration, helping students, bloggers, webmasters, and agencies avoid AI detection for improved readability and brand voice.
#25
AI-Text-Humanizer.com
AI Text Humanizer turns machine‑generated prose into natural, human‑readable text, removes repetitive patterns, offers readability scores, and supplies API and web interface with counters. It supports multiple languages, protects data, and assists students, writers, marketers, and corporate teams.
#26
Rephrasy
AI Humanizer turns AI‑generated text into natural language while preserving meaning. It detects AI origin with leading systems, supports 50+ languages and long documents, offers Chrome extension and API, and lets users select pre‑built models or clone their own style.
#27
Humanize AI Text
Humanize AI Text converts AI‑generated content into natural, human‑sounding prose while preserving meaning. It works browser‑free, supports unlimited words in multiple languages, and produces plagiarism‑free output that passes AI‑detection tools.
#28
AI Plagiarism Checker
The AI plagiarism checker from plagiarismcheck.org uses advanced AI technology to detect AI-generated content and plagiarism, supports various file formats, and is useful in academia, SEO, and recruitment.
#29
GlobalGPT
GlobalGPT is a comprehensive AI service hub providing over 100 specialized agents for tasks like content creation, social media management, academic assistance, and software development, including advanced features like text-to-video conversion and personalized planning tools.