Best AI Content Detectors in 2026
Updated
AI content detectors offer ways to examine text, with capabilities that may suit individual checks or larger review processes. Compared on word limit, batch scanning, and API access, the entries provide different workflow considerations; detection languages and paraphrase detection add dimensions to check against your material. Browser extensions, free plans, and paid-from pricing also factor into access and cost. GPTZero, AI Detectors.io, and It's AI are among the options shown. Use the listed language and volume-related features to assess fit for the content you expect to review and how your team plans to run those checks.
AI Content Detectors, one module each.A lit port is something its maker publishes; 14 of 14 with a known API signal have a public API.
- 01 TrustOriginality.ai API yesFREE yesDOCS 7.4€4.99/mo
- 02 AI Detectors.io API yesFREE yesDOCS 7.3$0.69/mo
- 03 GPTZero API yesFREE yesDOCS 7.3$8.33/mo
- 04 It's AI API yesFREE yesDOCS 7.3$0.42/mo
- 05 Winston AI API yesFREE yesDOCS 7.3$5/mo
- 06 Detecting-AI.com API yesFREE yesDOCS 7.2$0.58/mo
- 07 GPTKit API yesFREE yesDOCS 7.2$5/mo
- 08 Isgen AI Detector API yesFREE yesDOCS 7.2$8/mo
- 09 Originality.ai API yesFREE yesDOCS 7.2$12.95/mo
- 10 Pangram API yesFREE yesDOCS 7.2$1.67/mo
- 11 Proofademic API yesFREE yesDOCS 7.2$15/mo
- 12 Airno API yesFREE yesDOCS 7.1$19/mo
- 13 Copyleaks AI Detector API yesDOCS 6.9$1.17/mo
- 14 TheChecker.AI API yesFREE noDOCS 6.8$8.25/mo
- 15 AI Detector Pro FREE yesDOCS 5.8Free
- 16 ContentDetector.org FREE yesDOCS 5.8Free
- 17 Detecto FREE yesDOCS 5.8$6.99/mo
- 18 Learnaway FREE yesDOCS 5.8$33.25/mo
- 19 Mask AI Detector FREE yesDOCS 5.8$10.99/mo
- 20 AI-Content Detector ML FREE yesDOCS 5.7Free
- 21 EyeSift FREE yesDOCS 5.7Free
- 22 Smodin AI Detector DOCS 5.4$0.83/mo
- 23 Content Checker by AI Aware DOCS 5.3
- 24 ClassGuard FREE noDOCS 5.2$10/mo
- 25 Elucida DOCS 5.0
Compare all 25 in a table
| # | Platform | Score | Free plan | From | Free plan | Paid from | Detection languages | Word limit |
|---|---|---|---|---|---|---|---|---|
| 1 | TrustOriginality.ai | 7.4 | Free plan | €4.99/mo | Yes | |||
| 2 | AI Detectors.io | 7.3 | Free plan | $0.69/mo | Yes | 8.33 /mo | 25,000 words | |
| 3 | GPTZero | 7.3 | Free plan | $8.33/mo | Yes | 5 languages | ||
| 4 | It's AI | 7.3 | Free plan | $0.42/mo | Yes | 7 /mo | 150,000 words | |
| 5 | Winston AI | 7.3 | Free plan | $5/mo | No | 10 /mo | 16 languages | |
| 6 | Detecting-AI.com | 7.2 | Free plan | $0.58/mo | Yes | 7 /mo | ||
| 7 | GPTKit | 7.2 | Free plan | $5/mo | Yes | |||
| 8 | Isgen AI Detector | 7.2 | Free plan | $8/mo | Yes | 8 /mo | ||
| 9 | Originality.ai | 7.2 | Free plan | $12.95/mo | Yes | 12.95 /mo | 30 languages | 10,000 words |
| 10 | Pangram | 7.2 | Free plan | $1.67/mo | Yes | 20 /mo | 24 languages | 300,000 words |
| 11 | Proofademic | 7.2 | Free plan | $15/mo | No | 23 languages | 3,500 words | |
| 12 | Airno | 7.1 | Free plan | $19/mo | Yes | |||
| 13 | Copyleaks AI Detector | 6.9 | $1.17/mo | 30 languages | 300,000 words | |||
| 14 | TheChecker.AI | 6.8 | No | $8.25/mo | No | 9.9 /mo | 1 languages | |
| 15 | AI Detector Pro | 5.8 | Free plan | Free | Yes | 5 languages | ||
| 16 | ContentDetector.org | 5.8 | Free plan | Free | Yes | |||
| 17 | Detecto | 5.8 | Free plan | $6.99/mo | Yes | 6.99 /mo | ||
| 18 | Learnaway | 5.8 | Free plan | $33.25/mo | Yes | |||
| 19 | Mask AI Detector | 5.8 | Free plan | $10.99/mo | No | 10.99 /mo | 2,500 words | |
| 20 | AI-Content Detector ML | 5.7 | Free plan | Free | Yes | |||
| 21 | EyeSift | 5.7 | Free plan | Free | Yes | |||
| 22 | Smodin AI Detector | 5.4 | $0.83/mo | 10 /mo | ||||
| 23 | Content Checker by AI Aware | 5.3 | No | |||||
| 24 | ClassGuard | 5.2 | No | $10/mo | No | |||
| 25 | Elucida | 5.0 | No |
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Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.