Skip to the shop floor

Suikou AI vs GravityWrite

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 GravityWrite
DetailSuikou AI logo Suikou AIGravityWrite logo GravityWrite
What it doesAI humanizer for multilingual writing with best-in-class Japanese support AI-powered content creation platform for blogs, social media, images, videos and websites
StageStartup Not given
Founded2026 2023
Based inHK IN
Pricing modelFreemium Not given
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 Plus Plan: $8/month (billed as $97/year) with 500 AI Credits/month, AI Blog Generator (~15 blogs/month), Image Generator (~83 images/month), Video Generator (~25 videos/month), Social Media Scheduler (5 accounts, 50 posts/month). Pro Plan: $49/month (billed as $599/year, save 38%) with 2500 AI Credi
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 Blog Generator that creates SEO-optimized articles with intelligent headlines and professional structure
  • AI Image Generator for creating custom visuals from text descriptions with templates and brand customization
  • AI Social Media Post Generator with intelligent scheduling across multiple platforms
  • Text and Image to Video conversion with customizable voice tones and animations
  • 250+ specialized AI tools for different content needs
  • Brand Voice Mastery to train AI on your best content for consistent brand voice
  • Integrations with Ahrefs, Google Analytics, and WordPress for data-driven content decisions
  • AI Website Builder with SEO-optimized content and templates
  • Access to multiple AI models including ChatGPT-4 and Claude through single interface
  • Complete content workflow from research to creation, editing, optimization and 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
  • All-in-one platform combining 250+ AI tools instead of paying for 5 separate tools
  • Advanced AI that understands ROI and creates content optimized for search engines and competition
  • Intelligent scheduler automatically publishes social media content when audience is most active
  • Trusted by 3 million+ users worldwide with proven track record of business growth
Community votes00
DR (Domain Rating by Ahrefs)4 no change since last check66 −1 (down) since last check
Trust Flow (Majestic)1112
Citation Flow (Majestic)1438
Referring domains (Majestic)46970

6 details filled in for both companies.

More alternatives to Suikou AI More alternatives to GravityWrite

Support