Best AI Content Detectors in 2026
Updated
If you need to check whether writing may have been generated or altered by AI, compare the tools’ stated limits and ways to access them. Word limit and detection languages matter for the text you handle; batch scanning and API access may suit different checking workflows. Paraphrase detection and browser extensions add further points to weigh, alongside free-plan availability and paid-from pricing. GPTZero, Pangram, and Proofademic are among the entries to compare, as are Winston AI and Copyleaks AI Detector. Consider which listed checks match your needs, and whether you need to review individual passages or work with larger batches.
25ranked
19free plans on this page
$0.42/molowest paid tier
9 Oct 2026last checked
AI Content Detectors, ranked on how quickly a newcomer can get going.22 of 23 products with recorded free access can be tried for free.
- 1 GPTZeroPaid from $8.33/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: no
- 2 AI Detector ProFree plan
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: no
- 3 PangramPaid from $1.67/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: no
- 4 ProofademicPaid from $15/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: no
- 5 Winston AIPaid from $5/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: no
- 6 Mask AI DetectorPaid from $10.99/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: no
- 7 TrustOriginality.aiPaid from €4.99/mo
- Free to practise on: yes
- Well documented: yes
- Runs where you work: yes
- 8 ContentDetector.orgFree plan
- Free to practise on: yes
- Well documented: yes
- Runs where you work: yes
- 9 Copyleaks AI DetectorPaid from $1.17/mo
- Free trial: yes
- Well documented: yes
- Runs where you work: no
- 10 It's AIPaid from $0.42/mo
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 11 AI Detectors.ioPaid from $0.69/mo
- Free to practise on: yes
- Free trial: no
- Well documented: yes
- Runs where you work: yes
- 12 Detecting-AI.comPaid from $0.58/mo
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 13 DetectoPaid from $6.99/mo
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 14 GPTKitPaid from $5/mo
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 15 Isgen AI DetectorPaid from $8/mo
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 16 LearnawayPaid from $33.25/mo
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 17 Originality.aiPaid from $12.95/mo
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 18 AI-Content Detector MLFree plan
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 19 AirnoPaid from $19/mo
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 20 Content Checker by AI Aware
- Free trial: yes
- Well documented: yes
- Runs where you work: no
- 21 ClassGuardPaid from $10/mo
- Free to practise on: no
- Free trial: yes
- Well documented: yes
- Runs where you work: no
- 22 EyeSiftFree plan
- Free to practise on: yes
- Free trial: no
- Well documented: yes
- Runs where you work: no
- 23 Smodin AI DetectorPaid from $0.83/mo
- Well documented: yes
- Runs where you work: no
- 24 TheChecker.AIPaid from $8.25/mo
- Free to practise on: no
- Free trial: no
- Well documented: yes
- Runs where you work: no
- 25 Elucida
- Well documented: yes
- Runs where you work: no
Compare all 25 in a table
| # | Platform | Score | Free plan | From | Free plan | Paid from | Detection languages | Word limit |
|---|---|---|---|---|---|---|---|---|
| 1 | GPTZero | 7.7 | Free plan | $8.33/mo | Yes | 5 languages | ||
| 2 | AI Detector Pro | 7.5 | Free plan | Free | Yes | 5 languages | ||
| 3 | Pangram | 7.5 | Free plan | $1.67/mo | Yes | 20 /mo | 24 languages | 300,000 words |
| 4 | Proofademic | 7.5 | Free plan | $15/mo | No | 23 languages | 3,500 words | |
| 5 | Winston AI | 7.5 | Free plan | $5/mo | No | 10 /mo | 16 languages | |
| 6 | Mask AI Detector | 7.4 | Free plan | $10.99/mo | No | 10.99 /mo | 2,500 words | |
| 7 | TrustOriginality.ai | 7.4 | Free plan | €4.99/mo | Yes | |||
| 8 | ContentDetector.org | 7.1 | Free plan | Free | Yes | |||
| 9 | Copyleaks AI Detector | 7.0 | $1.17/mo | 30 languages | 300,000 words | |||
| 10 | It's AI | 7.0 | Free plan | $0.42/mo | Yes | 7 /mo | 150,000 words | |
| 11 | AI Detectors.io | 6.9 | Free plan | $0.69/mo | Yes | 8.33 /mo | 25,000 words | |
| 12 | Detecting-AI.com | 6.9 | Free plan | $0.58/mo | Yes | 7 /mo | ||
| 13 | Detecto | 6.9 | Free plan | $6.99/mo | Yes | 6.99 /mo | ||
| 14 | GPTKit | 6.9 | Free plan | $5/mo | Yes | |||
| 15 | Isgen AI Detector | 6.9 | Free plan | $8/mo | Yes | 8 /mo | ||
| 16 | Learnaway | 6.9 | Free plan | $33.25/mo | Yes | |||
| 17 | Originality.ai | 6.9 | Free plan | $12.95/mo | Yes | 12.95 /mo | 30 languages | 10,000 words |
| 18 | AI-Content Detector ML | 6.8 | Free plan | Free | Yes | |||
| 19 | Airno | 6.8 | Free plan | $19/mo | Yes | |||
| 20 | Content Checker by AI Aware | 6.6 | No | |||||
| 21 | ClassGuard | 6.5 | No | $10/mo | No | |||
| 22 | EyeSift | 6.5 | Free plan | Free | Yes | |||
| 23 | Smodin AI Detector | 6.2 | $0.83/mo | 10 /mo | ||||
| 24 | TheChecker.AI | 5.9 | No | $8.25/mo | No | 9.9 /mo | 1 languages | |
| 25 | Elucida | 5.7 | No |
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