Suikou AI vs HumanTone™

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 HumanTone™
Detail	Suikou AI	HumanTone™
What it does	AI humanizer for multilingual writing with best-in-class Japanese support	Not given
Stage	Startup	Startup
Founded	2026	2025
Based in	HK	US
Pricing model	Freemium	Freemium
Pricing	Free: 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	Free: 1,000 words. Basic: $10/month (150 credits, ~15,000 words). Standard: $20/month (400 credits, ~40,000 words). Pro: $40/month (1,000 credits, ~100,000 words). Annual subscriptions discounted 20%. Extra Credits: $5 (50 credits), $10 (125 credits), $25 (400 credits), $50 (1,000 credits), $100 (2,
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 Humanizer with semantic rewriting AI Detector with likelihood scoring Custom Instructions for tone and style control 60+ language support Public API with SDKs MCP Server integration
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	Real semantic rewriting, not synonym swaps or tricks Preserves meaning and key terms with Custom Instructions Supports 60+ languages with consistent quality Works with all major AI models
Community votes	0	0
DR (Domain Rating by Ahrefs)	4 no change since last check	23 −1 (down) since last check
Trust Flow (Majestic)	11	9
Citation Flow (Majestic)	14	29
Referring domains (Majestic)	46	72

7 details filled in for both companies.

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