ZeroGPT vs GPTZero: Feature Comparison
A side-by-side look at the features each site lists. It makes no accuracy claims for either tool; facts about GPTZero come from gptzero.me, checked on 2026-10-21. It is meant to help you decide which AI detector is right for your needs.
ZeroGPT on this page means zerogpt.live, an independent service. It is not affiliated with or endorsed by ZeroGPT.com (Olive Works LLC) or GPTZero. See how it works for the providers behind each tool.
Quick Overview
ZeroGPT
AI text, image and video detection plus plagiarism and grammar checks in one workspace. Results are probabilities, not proof.
Try It Free →GPTZero
Per gptzero.me (checked 2026-10-21): an AI detector with writing tools such as Writing Replay, plagiarism checking, grammar feedback, a Chrome extension, integrations and an API.
Feature-by-Feature Comparison
| Feature | ZeroGPT | GPTZero |
|---|---|---|
| Products listed | AI text, image and video detection; plagiarism checker; grammar checker | AI Detector, Hallucination Detector, Plagiarism Checker, Writing Replay, Advanced Scan, Writing Feedback, AI Tutor, AI Vision (product list on gptzero.me) |
| Free use | 3 free scans in total, shared across all tools; no signup needed to start | Free to start; the scan box allows 10,000 characters, and a free account is required for longer scans |
| Text length per scan | 300 words minimum, 150,000 characters maximum | Not stated on the pages we checked |
| Sentence-level highlights | Yes | Yes (color-coded highlights where AI is detected) |
| AI image detection | Yes (AI-generation score + separate face-manipulation score) | Lists "AI Vision" as a footer link; no description on its home page |
| AI video detection | Yes, clips up to 50 MB (not a dedicated deepfake detector) | Not listed on the pages we checked |
| Plagiarism checking | Yes | Yes ("Plagiarism Checker") |
| Grammar checking | Yes (LanguageTool engine) | Yes ("Free grammar check and feedback") |
| API | No public API | Yes (listed under integrations) |
| Browser extension and integrations | None | Chrome extension; Google Docs, Google Classroom, Canvas and Zapier listed |
| Batch file scanning | No | Not mentioned on the pages we checked |
| Pricing | Free tier; paid plans from $13.99/month or $119.88/year | Individual plan prices were not shown in the text of gptzero.me/pricing when we checked |
When This Site May Fit
You need multi-modal detection: Check text, images, and videos all in one platform instead of juggling multiple tools.
You want a few free scans without an account: 3 scans in total, shared across all tools.
You need to check video clips: Get an AI-generation probability for clips up to 50 MB.
You want sub-signals: Video results show ML, OCR and metadata signals; image results show a separate face-manipulation score.
When GPTZero May Fit
You need an API: GPTZero lists an API integration; this site has no public API.
You work inside Google Docs, Classroom or Canvas: GPTZero lists a Chrome extension and integrations for these; this site has none.
The Bottom Line
Both sites list AI text detection, plagiarism checking and grammar feedback. Compare the current features on each site before choosing, and treat any detector result as a probability, not proof. GPTZero facts on this page were checked on gptzero.me on 2026-10-21.
If you run both on important content, treat disagreement as a reason for closer human review, and agreement as still not proof.
Try It Free
3 free scans in total, shared across text, image, video, plagiarism and grammar checks. No signup needed to start.
Frequently asked questions
Both offer AI text detection, plagiarism checking and grammar feedback according to their own sites. This site also has AI image and video detection; GPTZero lists more writing tools (such as Writing Replay and AI Tutor), a Chrome extension, integrations and an API. GPTZero facts come from gptzero.me, checked on 2026-10-21.
We don't make accuracy claims for either tool. Every AI detector returns probabilities that can be wrong, including false positives on human writing, and accuracy varies with text length, editing and topic.
This site offers 3 free scans in total, shared across all tools, with no signup needed to start. GPTZero says you can get started for free; its scan box allows 10,000 characters, and it asks you to create a free account for longer scans.
No. zerogpt.live is an independent service. It is not affiliated with or endorsed by ZeroGPT.com (Olive Works LLC) or GPTZero. The third-party providers behind each tool are listed on the How It Works page.
Yes. If two detectors disagree, that is a reason for closer human review. If they agree, it still isn't proof — both can be wrong in the same way.