GPTZero
AI text detector.
FreemiumVerified FreeAPI
100 · Fresh2026-07-09
Live preview of https://gptzero.me
TL;DR
GPTZero detects AI-written text for educators and publishers; free tier.
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FAQ
Is GPTZero free?
GPTZero has a machine-verified free tier (no card required).
Does GPTZero have an API?
Yes, GPTZero offers an API.
What are alternatives to GPTZero?
Alternatives include Duolingo, MagicSchool, Eduaide.ai.