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GPTZero

✓ verified, sync 2026-08-20

9 checks on record, most recent 2026-10-30 (responded).

Community scorenot yet rated
First indexed2026-08-20

Observation record.

What was checked ourselves, with dates. Not vendor copy, not a rating.

Most recent check 2026-10-30
Result: responded.

Checked on 9 distinct dates, since 2026-08-31. Checked roughly every 7.5 nights on this listing's own record.

2026-10-302026-10-252026-10-242026-10-182026-10-122026-09-302026-09-242026-09-182026-08-31

What this means: the 3-miss rule marks a listing discontinued only after three consecutive failed checks; a bot-wall response never counts toward that streak. the methodology

Price events.

auto-diffed on every sync: the changelog other directories don't keep

The price was checked on 2026-10-25 and no change was observed since.

No approved price events on record
No approved price change is on record.

What it does.

The vendor's own description, unedited, not our claim.

GPTZero is an AI detection tool designed for educators and anyone who wants to detect AI-generated texts. The tool boasts of over a million users and has been featured in major news outlets like CNN, BBC, and The New York Times. GPTZero features a plagiarism score that provides a holistic score for ...

registry ID ndock:tool:gptzero