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Suikou AI vs Ellie Docs

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 Ellie Docs
DetailSuikou AI logo Suikou AIEllie Docs logo Ellie Docs
What it doesAI humanizer for multilingual writing with best-in-class Japanese support Help docs that write themselves from your code
StageStartup Not given
Founded2026 2023
Based inHK Not given
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 Free: $0 forever. Starter: $39 per month ($468 billed yearly). Growth: $99 per month ($1,188 billed yearly). Scale: $279 per month ($3,348 billed yearly). All paid plans include a 14-day free trial of Growth. Founding customers: 50% off first year on paid plans.
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
  • Drafts help centre articles from code
  • Flags stale articles on merged pull requests
  • Generates changelog from merged PRs
  • Publishes API reference without OpenAPI spec
  • AI answers on help centre
  • Imports existing documentation
  • Integrates with Claude and Cursor via MCP
  • Links claims back to source code
  • Draft review before publishing
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
  • Writes documentation directly from your code, not manual files
  • Keeps docs accurate by flagging stale articles on each merged PR
  • Captures real screenshots of your app rather than generic mockups
  • Generates API reference automatically without an OpenAPI spec
  • Works with apps built using no-code tools like Lovable, Bolt or v0
Community votes00
DR (Domain Rating by Ahrefs)4 no change since last check37 no change since last check
Trust Flow (Majestic)119
Citation Flow (Majestic)1437
Referring domains (Majestic)46603

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