AI & Agents
GPTZero
Last updated 2026-08-03 · benchmark measured 2026-08-03 — deterministic & reproducible
GPTZero detects AI-generated content from tools like ChatGPT, Claude, and Gemini.
Is GPTZero production-ready?
Legit.Show scores GPTZero 73 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on GPTZero (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Privacy. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 26/100
- Accessibility — 91/100
- Security — 90/100
- Privacy — 25/100
- Reliability — 100/100
- Standards — 76/100
- Discoverability — 100/100
What we measured
- Security headers present: CSP, HSTS, X-Frame-Options, Referrer-Policy.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 163 ms to first byte.
- Returns a proper 404 for unknown routes.
- 3 of 3 sampled routes reachable.
- No privacy policy found.
- Sets cookies / loads scripts with no consent prompt.
- Discoverable: structured data, sitemap, OpenGraph image, canonical URL.
Who built it
Edward Tian (@edward_the6) · product account @GPTZeroAI
Who it's for
Educators · Students · Teachers · Writers · Recruiters
Pricing
Free plan available; Professional plan with monthly and annual billing options (annual saves 45%); Enterprise and Team plans available with contact sales