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Undetectable AI vs Sudowrite

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

Undetectable AI compared with Sudowrite
DetailUndetectable AI logo Undetectable AISudowrite logo Sudowrite
What it doesDetect AI, humanize your writing, and enhance your creative work AI writing partner for fiction that helps novelists draft, describe, rewrite, and finish books while keeping their own voice
StageNot given Established
Founded2023 2020
Based inUS Not given
Pricing modelFreemium Free trial
PricingFree tier with limited features. Paid plans: $5/month (yearly at $60), $9.50/month (yearly at $114), $15.75/month (yearly at $189), $21.25/month (50,000 words/month). Monthly options: $9.99, $19.00, $31.00, $42.50. Business plans available with custom pricing. Not given
Key features
  • Multi-model AI text detection across multiple detectors
  • AI humanizer that rewrites text to sound naturally human
  • Chrome Extension for detection and humanization anywhere online
  • Support for 50+ languages including English, Spanish, French, German, Chinese, Japanese
  • Money-back guarantee if output flagged as AI
  • API access with personal use and redistribution plans
  • Write feature with style-matching suggestions for overcoming writer's block
  • Describe and Expand to turn sparse sentences into vivid sensory prose
  • Rewrite feature for revising and tightening prose without losing intent
  • Story Bible for maintaining character, world, and plot consistency across manuscripts
  • Canvas for visual story planning with outline templates
  • Chat for asking questions about your story grounded in Story Bible
  • Feedback feature providing five actionable areas for improvement
  • Visualize to generate character art from descriptions
What makes it different
  • Proprietary humanizer fine-tuned on specific consenting human writers for hyper-specialized rewriting
  • Rated #1 Best AI Detector by Forbes
  • Outputs verified to pass all major AI detectors
  • Proprietary Muse and Ballad AI models trained specifically for fiction
  • Built by writers for writers who understand storytelling craft
  • Keeps your unique voice instead of producing generic chatbot prose
  • Unlimited creative freedom including unfiltered writing of adult scenes
Community votes00
DR (Domain Rating by Ahrefs)79 no change since last check73 no change since last check
Trust Flow (Majestic)1829
Citation Flow (Majestic)4747
Referring domains (Majestic)41964731

5 details filled in for both companies.

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