We may earn a commission if you buy through links on this page. It never changes a score or a ranking. How we make money
Most buyers should pick Originality.ai.
Choose Originality.ai if you need plagiarism, fact-checking and team features with published paid pricing: Pro is $12.95/month billed annually or $14.95 monthly. Choose ZeroGPT if you want a free detector alongside tools such as a humanizer and paraphraser. Its free plan allows 15,000 characters per detection scan, but paid plan prices aren’t published on the published pricing information. Neither detector score should be treated as proof of authorship.
01Side by side
| Originality.ai | ZeroGPT | |
|---|---|---|
| Paid starting price | $12.95/month annually; $14.95 monthly | Not published |
| Free plan | 10K words one-time; 60 daily credits | 15K characters per scan; 1.25M words monthly |
| Best for | Detection, plagiarism, fact-checking and teams | Free detection and bundled writing tools |
| Core strength | Deep Scan, Writing Replay and fact-checking | Detector, humanizer and paraphraser |
| Learning curve | Not published | Not published |
| Integrations and data | Chrome extension; Enterprise API; Pro 30-day history | API, WhatsApp and Telegram access |
| Team and seat costs | Extra seats: $8.62–$24.95/month | Not published |
| Support | Standard Pro; priority Enterprise | Not published |
Originality.ai Choose Originality.ai if
- Choose Originality.ai if you need fact-checking alongside AI and plagiarism checks.
- Choose Originality.ai if you want published Pro pricing and team seat costs.
- Choose Originality.ai if Enterprise API access or longer scan history matters.
ZeroGPT Choose ZeroGPT if
- Choose ZeroGPT if you want a free detector with 15,000 characters per scan.
- Choose ZeroGPT if you want a humanizer, paraphraser and other writing tools.
- Choose ZeroGPT if API, WhatsApp or Telegram access fits your workflow.
02Pricing compared
Originality.ai has clearer paid pricing in the published plan details: Pro costs $14.95 per month, or $12.95 per month with annual billing paid upfront. Pro includes 200,000 words (2,000 credits) monthly. Enterprise is $179 monthly or $136.58 per month billed annually, with 1.5 million words monthly. A free plan is listed, though it is limited.
ZeroGPT’s free plan allows 15,000 characters per detection scan and 1.25 million AI-detection words per month. It also includes 300 plagiarism-checker words as a one-time allowance, but no batch files. Prices for its Personal and Business / EDU plans are not published on the vendor's site; annual billing is advertised as 40% off. If you need to budget for a paid plan, Originality.ai is the more transparent option.
03Features and depth
Both products combine AI detection with plagiarism checking, but their extra tools differ. Originality.ai also lists grammar, readability and fact checkers, plus Deep Scan to explain why text was flagged. Pro adds Bulk Scan, report sharing, PDF downloads and file uploads; Enterprise includes API access. Its browser extension includes Writing Replay, which replays the writing process to help show authorship.
ZeroGPT’s broader writing suite includes an AI humanizer, paraphraser, summarizer, grammar checker and translator. It also lists image and video detectors, batch file uploads, PDF reports, API access and WhatsApp/Telegram access. Its homepage says DeepAnalyse detects text from models including ChatGPT, Gemini, Grok and Claude. Those are product claims, not evidence that a detector can establish who wrote a passage. Choose Originality.ai for fact-checking and team-oriented scan features; choose ZeroGPT to get more writing utilities alongside a free detector.
04Ease of use and learning curve
For a narrow, occasional check, ZeroGPT’s free allowance is straightforward to assess: it gives a character limit per scan and a monthly detection-word allowance. The broader set of tools may mean more options to sort through, but the published information does not describe its interface or setup process.
Originality.ai’s plan limits are expressed in credits and words, and its checks cover more than AI detection. That can suit teams choosing among plagiarism, fact and bulk checks, though it means comparing features and credit allowances before upgrading. Pro and Enterprise include different scan histories and team capabilities. Neither product’s score should be treated as a verdict on authorship.
Questions people ask
Is Originality.ai the best AI detector?
We can’t establish a single best detector from the published information. Originality.ai’s homepage positions it as highly accurate, but that is a product claim, not independent proof here. Treat its result as a clue for review, not a verdict on who wrote the text.
Is GPTZero as good as Turnitin?
The published information covers ZeroGPT, not GPTZero, and does not give comparable details for Turnitin. We can’t make a grounded comparison between them from these materials. Also, GPTZero and ZeroGPT are different product names; don’t assume their plans or features are interchangeable.
Can we trust Originality.ai?
Use it as one signal, not proof of authorship. Originality.ai offers AI detection alongside plagiarism and fact checks, but the published information does not establish that any detector score is conclusive. Review the text and other evidence before making a decision about its author.
Which AI detector is better, GPTZero or Winston AI?
The published product information does not cover GPTZero or Winston AI, so we can’t compare their detection, features or prices on this evidence. If you meant Originality.ai versus ZeroGPT, the choice depends on whether you value published paid pricing and fact-checking or a free detector with more writing tools.