Best AI Detectors · FREE
Best free AI Detectors (2026)
6 ai detectors that offer a genuine free plan, ranked by entry price. Every figure links to the vendor's own page and the date we captured it.
Key takeaways
- Cheapest: Copyleaks at $0/mo.
- Qualifying: Copyleaks, GPTZero, Sapling, Scribbr, Winston AI, ZeroGPT.
- Data current through: 2026-06-15.
Comparison
| # | AI Detector | Entry price | Free | HIPAA | SOC 2 | Best for | Source |
|---|---|---|---|---|---|---|---|
| 1 | Copyleaks | $0/mo | Yes | — | — | students | capterra.com |
| 2 | GPTZero | $0/mo | Yes | — | Yes | educators | gptzero.me |
| 3 | Sapling | $0/mo | Yes | Yes | Yes | customer support teams | sapling.ai |
| 4 | Scribbr | $0/mo | Yes | — | — | students | scribbr.com |
| 5 | Winston AI | $0/mo | No | — | — | content marketers | gowinston.ai |
| 6 | ZeroGPT | $0/mo | Yes | — | — | casual users | zerogpt.com |