WriteHuman 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.

WriteHuman compared with AI Undetectable
Detail	WriteHuman	AI Undetectable
What it does	AI text humanizer that makes generated content sound naturally human	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	Not given	Not given
Based in	US	Not given
Pricing model	Freemium	Freemium
Pricing	Free plan with 3 humanizer requests/month and 10 detection checks/month. Basic: $12/month ($144/year, save $96/year) with 160 AI detection checks/month, 80 enhanced model checks/month, up to 600 words per request, 80 image scans/month. Pro: $19/month ($228/year, save $120/year) with 400 AI detection	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	Multi-model AI detection for ChatGPT, GPT-4, Claude, Gemini, and other LLMs Sentence-level breakdown showing which passages are most machine-generated Overall AI probability score with per-class confidence levels Voice preservation to maintain tone and style through humanization Multiple output variations for different writing styles AI image detection for DALL-E, Midjourney, Stable Diffusion, and other generators Support for 40+ languages including English, Chinese, French, Spanish, and more Chrome extension for in-tab humanization and detection	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	Detects AI from major models like GPT-5, Claude Opus, Gemini Pro, Grok, DeepSeek, Llama, and Qwen Sentence-level analysis shows exactly which parts triggered AI detection Privacy-first with encrypted transit and rest, never selling data to advertisers Humanizer preserves voice, tone, and meaning while removing AI patterns Scans complete in 2-5 seconds with instant results and no queues	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)	59 +1 (up) since last check	9 no change since last check
Trust Flow (Majestic)	45	6
Citation Flow (Majestic)	40	30
Referring domains (Majestic)	1024	77

5 details filled in for both companies.

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