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Suikou AI vs Textiaa

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 Textiaa
DetailSuikou AI logo Suikou AITextiaa logo Textiaa
What it doesAI humanizer for multilingual writing with best-in-class Japanese support AI academic agent for thesis writing, plagiarism detection, AI detection, and translation
StageStartup Not given
Founded2026 Not given
Based inHK FR
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 academic writing with structured outlines, chapters, and citations
  • Plagiarism detection against billions of web sources and academic database
  • AI content detection analyzing linguistic perplexity and statistical patterns
  • Text humanization to make AI content undetectable
  • Grammar checker supporting 50+ languages
  • Multilingual neural translation
  • Citation generator for APA, MLA, IEEE, Harvard, Chicago, Vancouver formats
  • AI image generation from text prompts
  • Scientific figure generation including diagrams, charts, and molecules
  • Chat with PDF for sourced answers
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
  • Data stored securely in Europe and never used for AI model training
  • Publication-ready scientific figures generated from a single sentence
  • Free trial with no registration required for grammar checking
  • Browser extension for accessing tools directly from any website
Community votes00
DR (Domain Rating by Ahrefs)4 no change since last check16 no change since last check
Trust Flow (Majestic)116
Citation Flow (Majestic)1420
Referring domains (Majestic)4625

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