GPTZero alternative
Choose a detector by testing your workflow.
AI Detect is a GPTZero alternative for checking text and reviewing readability in one browser workflow. The useful comparison is how each tool handles your documents, limits, and review process. We do not claim one detector is more accurate without a published, reproducible comparison.
- Try representative samples
- Compare false positives
- Check current plan limits
Run an AI text check
Paste text to check it for free. Paid subscribers can also upload a supported document. The free allowance is 5 scans per day, up to 750 words per scan. A score is an estimate; review the writing and its context before drawing a conclusion.
AI Detector
Detect AI in your content for free.
AI Humanizer
Revise AI-assisted text for clarity and flow.
Recent History
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Drag and drop your file here
up to 4MB
Detection Score
Higher means a stronger AI writing signal. This is an estimate, not proof of authorship.
Readability
Rates how easy the text is to read on a scale from 0 to 100 — higher scores mean easier reading.
Grade Level
Indicates the U.S. school grade level needed to understand the text — higher education levels mean more complex reading.
A practical workflow
A fair way to compare detectors
- 01
Prepare a balanced sample
Use writing with known provenance: original human drafts, unedited generated drafts, and mixed or edited examples relevant to your work.
- 02
Keep the test consistent
Submit the same passages to each tool. Record the date, document type, length, and any settings. Keep the original texts unchanged.
- 03
Compare consequences
Review both missed AI text and human writing flagged in error. Compare workflow and pricing separately from detection quality.
What AI Detect offers
AI Detect provides a passage-level detection score, readability and grade-level estimates, text entry, and paid document upload. The free allowance is 5 daily scans of up to 750 words. Paid plans increase capacity and include humanization. Use the pricing page for the current billing terms.
What to compare before switching
Check input limits, supported formats, account requirements, privacy terms, and the explanations attached to results. A small informal test does not establish universal accuracy. GPTZero’s own guidance recognizes false positives and false negatives and warns against using a score to punish students; those cautions matter in any comparison.
Frequently asked questions
Is AI Detect more accurate than GPTZero?
We do not present a verified head-to-head accuracy claim. Test both tools on representative text with known provenance and review the errors in both directions.
Can I compare them for free?
You can try AI Detect’s free allowance of 5 daily scans, up to 750 words each. Check GPTZero’s current site for its own limits and terms.
Are the scores directly comparable?
Not necessarily. Labels, thresholds, and score definitions differ. Compare the accompanying explanations instead of treating percentages as a shared scale.
Put the next draft in context.
Start with a free check. Choose a paid plan when you need higher limits.