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 4,020 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

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

O

OmniDetect

Freemium

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)

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

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

B

Backgrounder

Free

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)

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

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

B

BlogBowl

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

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,...

W

WordHero

Paid

WordHero’s AI writer is the best AI for blog writing, helping you craft high-quality content quickly.

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