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About GPTypo
What is GPTypo?
GPTypo is an AI detection scanner that analyzes your text for patterns that might trigger AI detectors, such as burstiness, vocabulary density, perplexity, structural patterns, and coherence. It provides sentence-level risk scores and highlights flagged sentences so you can see exactly what might be perceived as AI-generated.
Who is it for?
GPTypo is for anyone who writes original content and wants to avoid false positives from AI detectors — students, freelance writers, marketers, and professionals who use tools like Gmail, LinkedIn, Substack, Notion, or Reddit. It is not for those seeking a one-click humanizer; GPTypo emphasizes human-in-the-loop editing where you control every change.
Key features and benefits
The free plan includes quick scans of up to 500 words per scan, a heuristic scorer, three rewrite suggestions per scan, and sentence-level risk scores. The Pro plan ($14/mo) adds neural model verification, unlimited rewrite suggestions, scan history, and shareable proof reports. The Chrome extension lets you scan and replace flagged sentences directly in your browser.
How it works
GPTypo uses a fine-tuned neural model, independently verified on the RAID benchmark (ACL 2024) with 98.2% accuracy, to catch the same token-level patterns commercial detectors use. After each edit, you can rescan to see your score change in real time, ensuring your writing remains clear and authentic.
Key features
- Sentence-level scanning — Identifies which sentences are likely to trip AI detectors across five signals.
- Neural model verification — Higher-accuracy detection on every sentence for Pro users.
- Human-in-the-loop editing — Accept, edit, or skip rewrite suggestions; never a one-click humanizer.
- Chrome extension — Scan and replace text on any page: Gmail, LinkedIn, Substack, Notion, Reddit, or any form.
- Rescan & delta — See score changes instantly after each edit and repeat until clean.
- Scan history — Track every scan and your progress over time on Pro.
- Signal grid — View risk per category (burstiness, vocab, perplexity, structure, coherence) for each sentence.
SaaSpartout Score
7.4
/10
Editorial score from our review methodology — not user ratings.
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GPTypo Pricing
GPTypo pricing: from $0/mo.
For comparison: the median starting price in AI Writing is $15/month, measured across 92 tools we track. See the full SaaS Pricing Index →
Free — $0/mo
Quick scans and basic editing. No account required. Includes 500 words per scan, heuristic scorer (estimate), 3 rewrite suggestions per scan, sentence-level risk scores, and tone modes.
Pro — $14/mo (or $168/yr)
Verified scores and unlimited rewrites. Includes 2,000 words per scan, neural model verification, unlimited rewrite suggestions, shareable proof reports, and scan history.
Team — $39/mo (or $468/yr)
Higher limits and API access for teams. Includes 5,000 words per scan, everything in Pro, API access, batch scanning (CSV), and priority support.
Start scanning free — upgrade anytime. All paid plans have a free tier to begin.
Frequently asked questions
Is GPTypo free to use?
Yes, GPTypo has a free plan with quick scans up to 500 words per scan, 3 rewrite suggestions per scan, and sentence-level risk scores. No account required.
How much does GPTypo cost?
GPTypo starts at $0/mo. Pro is $14/mo (billed annually at $168/yr), and Team is $39/mo (billed annually at $468/yr).
What is GPTypo used for?
GPTypo is used to scan your writing for patterns that might trigger AI detectors, helping you avoid false positives and prove your work is original.
Who is GPTypo best for?
GPTypo is best for students, writers, and professionals who produce original content and want to ensure it passes AI detection without altering their voice.
What are the top alternatives to GPTypo?
Common alternatives include GPTZero, Originality.ai, and Turnitin. However, GPTypo focuses on false positive protection and human-in-the-loop editing.
Does GPTypo have a Chrome extension?
Yes, the GPTypo Chrome extension allows you to scan and replace flagged sentences on any page, including Gmail, LinkedIn, Substack, Notion, and Reddit.
