amige. vs
GPTZero.
| amige. | GPTZero | |
|---|---|---|
| founded | 2026 | January 2023, by Edward Tian + Alex Cui |
| modalities | image · video · text | text only (image accepted for OCR’d text) |
| free tier | 3 scans / day | ~10,000 words / month |
| entry paid plan | $9 / month (Pass) | $14.99 / month (Essential) |
| API | no public API (yet) | yes, $45 / month entry |
| self-reported accuracy | we don’t headline a single number | 99% headline, 95.7% AI detection at 1% FPR |
| model attribution | yes (Midjourney, GPT-4o, DALL-E, Sora, etc.) | no |
| per-detector breakdown | yes (panel of classifiers shown per scan) | no (single verdict) |
| education distribution | consumer-first, no LMS | 3,500+ institutions, Canvas / Google Classroom |
looking for a GPTZero alternative?
GPTZero is the most recognizable name in AI-text detection: 3,500+ institutions and a claimed 10M+ users by 2026. Edward Tian launched it in January 2023 while he was a Princeton senior; within months it was the default reference in education-press coverage of AI cheating. its product is sharply scoped: detect AI-generated text, surface mixed human / AI documents, integrate into the tools teachers already use.
amige. is built for a different question. when you see an image on social media and want to know if it's real, GPTZero won't help you. when you want to know if a TikTok is a deepfake, GPTZero won't help you. when a student turns in an essay and a teacher wants the most defensible classroom workflow for catching ChatGPT use, amige. is not the tool. these are different jobs, not directly competing ones.
where GPTZero is stronger
text detection depth. GPTZero has a years-long head start on labeled student-essay data. for long-form English academic writing, their classifier is meaningfully more developed than amige.'s text read today. they were ranked top-tier commercial on the RAID benchmark (the largest independent AI-text evaluation, ~672,000 texts across 11 domains) in 2025 reporting.
education-channel distribution. Canvas, Google Classroom, batch document scanning, LMS-native integrations, sentence-level highlighting, the writing-replay forensic angle (keystroke-history playback that's hard to fake). if you are a teacher, GPTZero is built for your workflow.
the “mixed” verdict. they were first to ship a structured human + AI label, which matters more than the binary case in real essays where students paste a couple of ChatGPT paragraphs into otherwise-original work.
GPTZero accepts image files only for OCR. amige. detects them.
where amige. is stronger
image and video. GPTZero accepts image files only for OCR text extraction. amige.'s panel is built for image authenticity (Midjourney, Stable Diffusion, DALL-E, GPT-4o image, Flux), video AI detection, and deepfake scoring. this is the largest single difference between the two products.
model attribution. a flagged image on amige. comes back with “looks like Midjourney v6” or “looks like GPT-4o image”. a flagged text comes back labeled with the most likely generator family. GPTZero reports AI-generated and stops there.
per-detector transparency. amige. routes each scan to the detectors strongest for it, then runs a panel of independent detectors built by different teams and shows you where they disagree on every verdict, recalibrating as new generators appear. GPTZero is a single-model black box, which is fine when it's right and harder to argue with when it's wrong.
price for a one-off question. 3 scans a day for free vs. 10,000 words a month is a very different shape. amige. is designed for “I saw a thing on Twitter, was it real?” not “I run a 50-essay batch every week.”
accuracy claims vs. independent benchmarks
GPTZero markets 99%. their own published numbers (95.7% AI detection at 1% FPR, <2% FPR on post-fix ESL data) are more modest and more defensible. independent classroom-submission studies report real-world false-positive rates closer to 18%. the 2023 Stanford / Cell Patterns paper found GPTZero flagged 61.3% of TOEFL essays from non-native English speakers as AI; GPTZero published a 2023 response showing 1.1% on a re-run of their newer model. both numbers are true and both belong in the story.
amige. doesn't headline a single accuracy number. every detector in this category claims 99% and measures 65% to 90% in independent tests, and putting one number on the homepage invites misuse. our framing is the per-detector breakdown plus the disagreement signal, plus the explicit “uncertain” verdict for the wide middle band. we tell you when we're not sure. the full picture of how this works lives at the machine.
the writing-replay angle
GPTZero records how a document was written. its Writing Replay plays the draft back so a teacher can watch it unfold and see who typed what, a forensic signal that's hard to fake and useful in an academic-integrity case. amige. has no equivalent; it scores the finished file rather than the process behind it.
who each is for
pick GPTZero if you teach, run admissions, or moderate a writing competition. you batch documents. you want LMS integration. you need to read student essays in the workflow you already use. the writing-replay feature is useful and nothing on amige. competes with it.
pick amige. if you saw a viral image and want to know if it's a Midjourney render. you want to check a video for a deepfake. you care about which generator made something, not only whether AI was involved. you want to see the detectors argue with each other in real time. you want a $9 monthly plan instead of a $15 one.
for the long-form essay case, GPTZero wins. for the social-media is-this-real case, GPTZero doesn't ship. those two cases are further apart than either company's pricing page lets on.
questions
Does GPTZero detect AI images?
No. GPTZero detects AI-generated text and accepts image files only to OCR the text inside them. It doesn’t score images or video for AI authenticity. amige. covers image, video, and text in one panel, so for a viral image or a suspected deepfake clip GPTZero isn’t an option.
Is amige. or GPTZero more accurate?
For long-form English essays, GPTZero’s text classifier has a multi-year head start on labeled student writing and ranked top-tier commercial on the RAID benchmark. amige. doesn’t headline one accuracy number; it shows independent classifiers per scan and flags an uncertain middle band. For image and video, GPTZero has nothing to compare, since it’s text-only.
amige. vs GPTZero for teachers?
GPTZero is the stronger classroom fit. It integrates with Canvas and Google Classroom, runs batch document scans, highlights AI sentences, and offers writing-replay playback. amige. ships none of that and is built for one-off checks rather than grading workflows.
Is GPTZero or amige. cheaper?
amige. starts at $9 per month and gives 3 free scans per day with no signup. GPTZero’s entry paid plan runs about $14.99 per month, with a free tier around 10,000 words per month. amige. fits a one-off question; GPTZero fits weekly essay batches.
sources.
- 01
- 02GPTZero — response to the Stanford ESL bias paper1.1% FPR on re-run of the original TOEFL essay corpus.
- 03
- 04Liang et al., GPT detectors are biased against non-native English writers — Cell Patterns 2023 (summary)61.3% TOEFL-essay false-positive finding on legacy detectors.
- 05
- 06
- 07NIU Center for Innovative Teaching and Learning — "AI detectors: an ethical minefield"Independent classroom-deployment FPR analysis.
- 08