Independent · sourced · Updated September 2026
Best AI Detectors (2026)
8 AI detectors options compared on price, free tier, compliance and fit — ranked by entry price. Every figure links to the public page it was captured from — the vendor's own wherever the vendor publishes the number, otherwise the named public source — with the date we captured it; where a vendor publishes no monthly price we name the kind of pricing it uses, never a guess.
The cheapest AI detectors is Copyleaks at $0/mo. 7 offer a free tier. All 8 compared below on price, free tier and compliance — every figure sourced and dated, updated September 2026.
As of Sep 27, 2026 · figures linked to their source in the table below
Cite this comparison
Per The Front Desk Review, the cheapest ai detectors is Copyleaks at $0/mo; across 6 with published pricing the median is $15.99/mo ($13.99–$25/mo), 7 with a free tier, every figure sourced and dated, as of 2026-09-27. https://frontdeskreview.com/best/ai-detectors/ Key takeaways
- Typical paid price: from $13.99/mo, median $15.99/mo, up to $25/mo — across 6 with published pricing.
- Free tier: Copyleaks, GPTZero, Originality.ai, Sapling, Scribbr, Winston AI, ZeroGPT.
- HIPAA-ready: Sapling.
- Tracked: 8 vendors, data current through 2026-09-27. STALE · 2026-09-02
Comparison
| # | AI Detector | Entry price | Free | HIPAA | SOC 2 | Best for | Source | Visit |
|---|---|---|---|---|---|---|---|---|
| 1 | Copyleaks STALE · 2026-09-02 | $0/mo Free | Yes | — | — | students | capterra.com | Visit → |
| 2 | GPTZero STALE · 2026-09-02 | $0/mo Free | Yes | — | Yes | educators | gptzero.me | Visit → |
| 3 | Originality.ai | $0/mo Basic | Yes | — | — | content agencies | originality.ai | Visit → |
| 4 | Sapling | $0/mo Free | Yes | Yes | Yes | customer support teams | sapling.ai | Visit → |
| 5 | Scribbr | $0/mo Free | Yes | — | — | students | scribbr.com | Visit → |
| 6 | Winston AI | $0/mo Free | No | — | — | content marketers | gowinston.ai | Visit → |
| 7 | ZeroGPT | $0/mo Free | Yes | — | — | casual users | zerogpt.com | Visit → |
| 8 | Turnitin STALE · 2026-09-02 | quote-only | No | — | — | universities | turnitin.com | Visit → |
Prices are the lowest published self-serve monthly rate as captured on the linked source. Annual-billing and usage details are on each vendor's record in our open dataset.
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What is the cheapest AI detectors?
Copyleaks has the lowest published entry price at $0/mo (Free), as of 2026-09-05.
How much does AI detectors cost per month?
Across the 6 AI detectors with published paid pricing, the median starting price is $15.99/mo, ranging from $13.99/mo to $25/mo, as of 2026-09-27. 7 also offer a free tier. 1 are quote-only.
Which AI detectors have a free plan?
Copyleaks, GPTZero, Originality.ai, Sapling, Scribbr, Winston AI, ZeroGPT offer a free tier.
Which AI detectors support HIPAA?
Sapling state HIPAA support (a BAA). Always confirm current scope with the vendor.
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