GPTinf vs AI Undetectable

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

GPTinf compared with AI Undetectable
Detail	GPTinf	AI Undetectable
What it does	AI writing toolkit for humanizing, detecting, and refining AI-generated text	Check AI-likelihood, humanize robotic passages, and review meaning with an undetectable AI writing workflow built for careful editing.
Stage	Not given	Not given
Founded	2023	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free tier available for all tools. Paid plans: Lite $4.99/monthly (5000 humanizer words, 2500 paraphraser words), Pro $12.49/monthly (25000 humanizer words, 12500 paraphraser words), Unlimited $29.99/monthly (unlimited humanizer and paraphraser words). Yearly plans available at 50% discount.	3-day free trial. Basic plan: $5.00/month (10,000 credits/month, charged annually at $60.00). Pro plan: $9.50/month (20,000 credits/month, charged annually at $114.00). Business plan: $15.75/month (35,000 credits/month, charged annually at $189.00). Basic uses 1 credit per input word; Stealth uses 2
Key features	Free tier with no registration required File upload capability for humanizer and paraphraser	Support for five languages: English, Spanish, French, German, and Portuguese Side-by-side comparison of original and rewritten versions Preserves facts, names, numbers, and important claims during rewriting API-ready access on Business plan Priority rewriting access on Business plan
What makes it different	Custom non-AI algorithms instead of AI refining AI Achieves average AI score under 5% after humanization 37% better detection results than competitors Human-first approach that supports rather than replaces human thinking Ethical stance against cheating and academic dishonesty	Combines detector, humanizer, and review tools in one workspace instead of switching between disconnected tools Rebuilds paragraph structure and sentence rhythm rather than just replacing words Treats detector scores as review signals rather than guaranteeing bypass of detection Published benchmark showing both successful and failed rewrites for transparency Money-back guarantee if rewritten text is flagged as not human
Community votes	0	0
DR (Domain Rating by Ahrefs)	70 no change since last check	9 no change since last check
Trust Flow (Majestic)	14	6
Citation Flow (Majestic)	38	30
Referring domains (Majestic)	820	77

5 details filled in for both companies.

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