AI Detector & AI Checker for ChatGPT, Gemini, Claude, & More alternatives

Looking for an alternative to AI Detector & AI Checker for ChatGPT, Gemini, Claude, & More? Below are the top 12 detection tools on Listof.Best, ranked by popularity — including AI Detector, GPTZero, Originality. Each is data-gated with verified pricing, features and a popularity score so you can compare at a glance.

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Best AI Detector & AI Checker for ChatGPT, Gemini, Claude, & More alternatives

AI Detector

detection

Detect AI-generated text with high accuracy

Free From $7.99 53 · 16,961 votes

GPTZero

detection

Free AI detector with sentence-level analysis

Free From $12.99 53 · 38,487 votes

Originality

detection

Detect text generated by ChatGPT, Claude, and Gemini

Free 47 · 17,778 votes

Decopy AI

detection

Detect and humanize AI writing

Free 44 · 38,812 votes

AI or Not

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Detect whether content was written by AI or humans

Free 44 · 22,728 votes

ChatGPT Detection Tool

detection

AI content detector and plagiarism checker

Free 41 · 11,284 votes

AI Undetect

detection

Rewrite AI-generated text to avoid detection

Paid 40 · 61,380 votes

GPTZero.cc

detection

Detect text generated by AI models like ChatGPT

Free 38 · 60,031 votes

AI Content Detector

detection

Identify AI-written text patterns and improve clarity

Free 37 · 53,618 votes

AI Content Detector

detection

Check if text was written by AI or a human

Free 37 · 48,596 votes

CopyFind

detection

Detect AI-generated text and verify writing authenticity

Paid 37 · 38,086 votes

AI Detector & Humanizer

detection

Detects AI-generated text and offers humanization tools

Free 37 · 37,564 votes