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Best AI Detection Tools

5 ai detection tools ranked by aiseo.is composite score across 6 dimensions.

GS
Garrett Smith20+ yrs SEO · 20K+ campaigns
5 tools in AI Detection · 5 scored
#1 in AI Detection

Copyleaks

Enterprise AI content detection with multi-language plagiarism verification

Custom·Free tier
7.2

Composite

#2

GPTZero

6.4

AI detection tool for spotting ChatGPT and LLM-generated content

$10/mo·Free tier·Contender
#3

Originality.ai

5.9

AI detection and plagiarism checker for content quality control

$15/mo
#4

Sapling AI

5.1

AI content detection with grammar correction in one tool

$25/mo·Free tier
#5

Undetectable AI

4.2

AI content humanizer that bypasses detection algorithms

$10/mo·Free tier