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Suikou AI vs Smodin

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

Suikou AI compared with Smodin
DetailSuikou AI logo Suikou AISmodin logo Smodin
What it doesAI humanizer for multilingual writing with best-in-class Japanese support AI-powered writing platform for detecting, humanizing, and checking plagiarism in academic and professional content
StageStartup Not given
Founded2026 Not given
Based inHK US
Pricing modelFreemium Freemium
PricingFree: 500 words/day humanize + unlimited detector (no credit card required); Basic: $9.99/month for 50,000 words/month + 30-day history + priority email support; Pro: $19.99/month for 250,000 words/month + academic mode + 90-day history + priority API queue. Student discount: 50% off annual plans wi Not given
Key features
  • AI text humanizer with casual, academic, and business modes
  • Free AI content detector with ai_score, perplexity, and burstiness metrics
  • Morphology-aware Japanese rewriting with conjugation and particle control
  • Citation and technical term preservation in academic mode
  • Three parallel rewrites scored by separate detector model
  • Five-step intensity slider for faithfulness vs. AI-fingerprint tradeoff
  • History and re-rewrite capability (30 or 90 days depending on plan)
  • Second-pass academic polish with Claude 3.5 Haiku on Pro plan
  • Support for English, Japanese, Korean, German, French, Spanish, Portuguese, and Chinese
  • Tested against GPTZero, Turnitin, Originality.ai, and Copyleaks
  • AI content detector with 99.8% accuracy
  • AI humanizer to transform AI text into human-sounding writing
  • Plagiarism checker scanning billions of sources
  • AI writer for essays, homework, and summaries
  • AI chat for brainstorming and explaining topics
  • Text rewriter and spinner
  • AI detection remover
  • Chrome extension for writing anywhere
  • Support for over 100 languages
What makes it different
  • Best-in-class Japanese support with morphology-aware morpheme-level tuning, unlike generic humanizers
  • Separate AI detector scores rewrites to guarantee the most natural result
  • Preserves academic citations, figures, tables, and technical terminology verbatim
  • Five-step granular intensity control to trade off faithfulness versus AI-fingerprint removal
  • Independent developer with transparent privacy: no model training on user text, fixed deletion schedule
  • All-in-one platform combining AI detection, humanization, plagiarism checking, and writing in one workspace
Community votes00
DR (Domain Rating by Ahrefs)4 no change since last check71 no change since last check
Trust Flow (Majestic)1137
Citation Flow (Majestic)1449
Referring domains (Majestic)463021

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