# Best AI Detectors (2026) — ranked by entry price, every figure sourced and dated

8 ai detectors on the record, median entry price $0/mo. Each price links to the vendor page it came from and the day we captured it — no guesses. 6 offer a free tier. 1 are quote-only. Current as of 2026-06-15.

Lowest entry price: Copyleaks — $0/mo (Free).

Full comparison: https://frontdeskreview.com/best/ai-detectors/

| # | Vendor | Entry plan | $/mo | Source |
| --- | --- | --- | --- | --- |
| 1 | [Copyleaks](https://frontdeskreview.com/software/ai-detectors/copyleaks/) | Free | $0 (free) | capterra.com |
| 2 | [GPTZero](https://frontdeskreview.com/software/ai-detectors/gptzero/) | Free | $0 (free) | gptzero.me |
| 3 | [Sapling](https://frontdeskreview.com/software/ai-detectors/sapling/) | Free | $0 (free) | sapling.ai |
| 4 | [Scribbr](https://frontdeskreview.com/software/ai-detectors/scribbr/) | Free | $0 (free) | scribbr.com |
| 5 | [Winston AI](https://frontdeskreview.com/software/ai-detectors/winston-ai/) | Free | $0 (free) | gowinston.ai |
| 6 | [ZeroGPT](https://frontdeskreview.com/software/ai-detectors/zerogpt/) | Free | $0 (free) | zerogpt.com |
| 7 | [Originality.ai](https://frontdeskreview.com/software/ai-detectors/originality-ai/) | Pro | $14.95 | originality.ai |
| 8 | [Turnitin](https://frontdeskreview.com/software/ai-detectors/turnitin/) | — | Quote-only | turnitin.com |

Cite: Per The Front Desk Review, the cheapest ai detectors ranked by sourced, dated entry price — https://frontdeskreview.com/best/ai-detectors/

License: CC BY 4.0. Every row is dated and links to its source.