Suikou AI Pricing
Pricing
Start free. Upgrade when you need more. Best-in-class Japanese support included on every plan.
Free
$0 / month
Try AI writing naturalization at no cost.
No credit card required.Includes
- 500 words / day humanize
- Unlimited AI detector usage
- casual / academic / business modes
- Same-day history only
Popular
Basic
$9.99 / month
Monthly humanizer for theses, essays, and conference papers.
Cancel any time.Everything in Free, plus
- 50,000 words / month humanize
- 30-day history
- Best-in-class Japanese morphology support
- Priority email support
Pro
$19.99 / month
Built for SCI submissions and dissertation-grade output.
Cancel any time between submission cycles.Everything in Basic, plus
- 250,000 words / month humanize
- Academic mode (Claude 3.5 Haiku second-pass refine)
- Citation, figure, and term-of-art protection
- 90-day history
- Priority API queue