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Best AI Detectors of 2026
We compared the leading AI-detection tools on accuracy, transparency, language support, and price. Every detector here is an estimate engine — none is infallible — so we weighted honesty and sentence-level explanations, not just a headline number.
Last updated: 2026-07 · by the Sahihly Team
1
4.9Sahihly
Our pickBest for: Bilingual (Arabic + English) detection with a full style report
- Native Arabic + English on one hybrid engine
- Sentence-level highlights and a 4-metric style report
- Honest confidence rating; free with no signup
- Auto verify-after-rewrite loop
- Newer brand than the US incumbents
- Advanced features need a paid plan
Free · Pro $12/moTry free
2
4.4GPTZero
Best for: Educators checking English essays
- Popular with schools
- Sentence highlighting
- English-focused; weak on Arabic
- Paid tiers for volume
Free · from $10/moVisit site
3
4.3Originality.ai
Best for: Publishers and SEO agencies
- Built for content teams
- Plagiarism + AI in one
- Pay-per-credit, no real free tier
- English-first
From $12.95/moVisit site
4
4.1Copyleaks
Best for: Enterprise and LMS integration
- Enterprise features
- Many languages claimed
- Heavy for individuals
- Arabic quality inconsistent
Free trial · paid plansVisit site
5
3.7ZeroGPT
Best for: Quick free checks
- Fast and free
- No signup
- Limited depth; no style report
- Accuracy varies widely
Free · Pro upsellVisit site
Frequently asked questions
No detector is 100% accurate. The best ones show their reasoning (sentence highlights, confidence) so you can judge. Sahihly's hybrid engine blends statistical signals with AI reasoning and is uniquely strong on Arabic.