AI Detector Alternatives: 12 Best Similar Tools (2026)

AI Detector is a tool in the ais category. Below are 12 alternatives from the same category in our directory of 3,261 AI tools, ordered by editorial curation, manual verification, and on-site popularity — not by advertising.

12 AI Detector alternatives

G

GPTZero

Free up to 10,000 characters per scan; Essential from $8.33/mo (annual, 150k words/mo), Premium $12.99/mo, Professional $24.99/mo · Manually verified

AI text detector that flags content generated by ChatGPT, Claude, and Gemini, with sentence-level highlighting and a built-in plagiarism checker.

G

GPTVerify

Manually verified

AI detector free tool with transparent, sentence-level results for students.

O

OmniDetect

Freemium · Manually verified

Multi-engine AI detector aggregating GPTZero, Winston AI, and Originality.ai for accurate consensus results.

C

Copyleaks

Limited free AI detector; paid Personal and Pro plans include AI detection and plagiarism (see pricing page for rates) · Manually verified

Enterprise content integrity suite with AI detection across text, images, video, and code, plus plagiarism checking in 100+ languages.

O

Originality.ai

Pay-as-you-go credits available; Pro plan $14.95/mo (2,000 credits) or $155/year · Manually verified

Content integrity platform combining AI detection, plagiarism checking, and fact-checking, aimed at content marketers and publishers.

B

Backgrounder

Free · Manually verified

AI-powered scam detection and verification backed by human security experts for family safety.

W

Winston AI

Free trial up to 1,000 words; paid plans start around $12/mo (monthly or annual billing) · Manually verified

AI content detector for ChatGPT, Claude, and Gemini with a plagiarism checker scanning billions of web pages, targeted at educators and publishers.

P

ProWritingAid

Freemium · Manually verified

ProWritingAid is an AI-powered writing assistant designed to help you plan, draft, and polish clear, compelling content.

L

LogicBalls

Freemium · Manually verified

** - An AI-powered writing tool to create any t...

B

BlogBowl

Manually verified

Automate your blog with AI that writes research-backed SEO articles exactly like a human would – with images, videos, stats, tables and citations.

g

gpt_academic

Free · Manually verified

为GPT/GLM等LLM大语言模型提供实用化交互接口,特别优化论文阅读/润色/写作体验,模块化设计,支持自定义快捷按钮&函数插件,支持Python和C++等项目剖析&自译解功能,PDF/LaTex论文翻译&总结功能,支持并行问询多种LLM模型,支持chatglm3等本地模型。接入通义千问,...

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