Best AI Detectors · pricing · Updated June 2026
GPTZero pricing (2026)
GPTZero starts at $0/mo (Free), across 5 plans. Best for educators. Every figure links to GPTZero's own page and the date we captured it.
At a glance
- Entry price: $0/mo (Free)
- Free tier: Yes
- Compliance: HIPAA — · SOC 2 Yes · GDPR Yes
- Best for: educators; academic institutions; content teams; enterprise compliance
GPTZero plans & pricing
| Plan | Monthly | Annual | Billing | Notes | Source |
|---|---|---|---|---|---|
| Free | $0 | — | flat | 10,000 words/month, ~5,000 characters per scan (per-scan limit reported as 5,000–10,000 chars across sources), limited scans/hour. No batch upload or API. Document-level score only (no sentence-level breakdown). No credit card required. | gptzero.me |
| Essential | $14.99 | −44% | flat | 150,000 words/month. Annual billing ~$8.33/month (~45% savings). Full sentence highlighting, Chrome extension, plagiarism check, multilingual detection, writing feedback, batch upload (10 files). Price corroborated by 3 independent 2026 sources. | gptzero.me |
| Premium | $23.99 | −46% | flat | 300,000 words/month. Annual billing ~$12.99/month. Unlimited batch uploads. All Essential features plus advanced scan, citation generation. Most popular plan. Price corroborated. | gptzero.me |
| Professional | $45.99 | −46% | flat | 500,000 words/month. Annual billing ~$24.99/month. API access included. Up to 250-file batch uploads. Team collaboration, custom LMS integration. Credits do not roll over. Price corroborated. | gptzero.me |
| Enterprise / Classroom | Quote-only | — | custom | Custom pricing for institutions and teams. Shared team credits, unified billing, LMS integration (Canvas, Google Classroom). Contact sales. | gptzero.me |
Last verified 2026-06-15. gptzero.me/pricing is dynamically rendered; plan names and prices ($14.99/$23.99/$45.99) corroborated by spotsaas.com, fritz.ai, and aidetectplus.com 2026 reviews. SOC 2 Type II and GDPR confirmed directly on gptzero.me/privacy-and-security (also lists CCPA, FERPA, HECVAT, VPAT). Free tier 10,000 words/month confirmed.
Capabilities
Integrations: Chrome Extension, Google Docs, Google Classroom, Canvas, Zapier, API.
Key features: SOC 2 Type II + GDPR (also CCPA, FERPA, HECVAT, VPAT); Sentence-level AI highlighting (paid); API bundled in Professional tier; LMS integrations (Canvas, Google Classroom).
Plan limits: Free: 10,000 words/month, ~5,000 chars/scan; Essential: 150,000 words/month; Premium: 300,000 words/month; Professional: 500,000 words/month; Credits do not roll over.
Frequently asked questions
How much does GPTZero cost?
GPTZero starts at $0/mo (Free); it has 5 published plans. Verified 2026-06-15.
Is GPTZero cheaper billed annually?
Yes. GPTZero publishes a 46% discount for paying annually (on the Premium plan). Verified 2026-06-15.
What are cheaper alternatives to GPTZero?
Cheaper ai detectors than GPTZero (entry $0/mo) include ZeroGPT at $9.99/mo, Originality.ai at $14.95/mo. Verified 2026-06-15.
Does GPTZero support HIPAA?
GPTZero HIPAA support: —. SOC 2: Yes. GDPR: Yes.
Does GPTZero have a free plan?
GPTZero free tier: Yes.
GPTZero vs alternatives
Compare all ai detectors → · GPTZero alternatives → · Open data · MCP
Cheaper ai detectors alternatives
- Originality.ai from $14.95/mo
- ZeroGPT from $9.99/mo