ZeroGPT
ZeroGPT: A free, API-oriented detector with detailed text analysis and broad file support. Ranked #20 of 45 in AI Content Detection Software by our editors (6.8/10); pricing: Free plan; best for free API-oriented text detection.
At a glance
- Editor score6.8 / 10
- PricingFree plan
- Best forFree API-oriented text detection
- Free planYes
- Founded2024
- Facts checked20 Sep 2026
Where it wins
- Free plan with REST API access
- Sentence-level probability scores for detailed review
- Supports TXT, DOCX, PDF, and ODT uploads
Where it doesn't
- Limited integrations, with Google Docs listed
- Batch file processing is limited to premium users
- Also covers humanization and plagiarism, beyond detection alone
Our verdict on ZeroGPT
ZeroGPT is an AI content detection platform for educators, students, content creators, publishers, SEO professionals, marketers, researchers, and businesses. It analyzes pasted text and uploaded documents to estimate whether content was generated by AI models including ChatGPT, GPT-5, Claude, Gemini, and DeepSeek. Its free plan and API access make it particularly relevant for teams that need detection in a workflow rather than only in a browser. Sentence-level analysis adds probability scores that help users inspect specific passages instead of relying only on a document-wide result.
The product’s strongest fit is its combination of document support and developer features. Users can upload TXT, DOCX, PDF, and ODT files, while the REST API supports automated detection. Webhooks can provide detection events and usage alerts, which suits applications that need status updates or usage monitoring. Premium users also receive batch file processing. Alongside detection, ZeroGPT includes plagiarism checking, AI text humanization, and image detection, giving it a wider content-review scope than a narrowly focused text detector. The tradeoff is that its listed integration is Google Docs, so organizations looking for a broader connected ecosystem may find the platform less suitable.
ZeroGPT is a practical choice for users who want a free starting point, sentence-level results, multiple document formats, and an API for automated checks. It can serve both individual content review and application-based workflows, with premium processing features available for larger batches. Buyers should choose an alternative if they need extensive integrations or a product focused only on detection without adjacent tools such as plagiarism checking and AI text humanization. For API-oriented detection with flexible file handling, ZeroGPT offers a clear feature mix.
Your product? Our editors can test ZeroGPT in depth and publish a review, labelled as paid · from $149/mo →
ZeroGPT pricing
ZeroGPT fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| Supported languages | Not verified |
| File uploads | Yes |
| API access | Yes |
| Browser extension | Not verified |
| Report exports | Not verified |
| Batch scanning | Yes |
| Deployment | Cloud |
| Platforms | Web |
| Integrations | 1 integrations: Google Docs |
| Pricing | Free plan (source) |
| Website | zerogpt.org |
| Facts checked | 20 Sep 2026 |
ZeroGPT integrations
ZeroGPT lists 1 integrations on its own site.
- Google Docs
Alternatives to ZeroGPT
- GPTZeroGPTZero combines document, sentence, paraphrase, and workflow verification tools.9.3
- Undetectable AIMultilingual AI detection with bulk scanning, browser tools, API access, and broad integrations.9.1
- Originality.aiA multilingual verifier combining AI detection, plagiarism checks, reports, and automated scanning.8.8
See all ZeroGPT alternatives →
Used ZeroGPT? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used ZeroGPT for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
ZeroGPT is listed in our AI Content Detection Software directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/zerogpt/"><img src="https://www.itechguides.com/best/badge/zerogpt.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update