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Suikou AI
Make AI writing sound natural — strongest in Japanese
Suikou AI is an editing workspace for turning stiff AI-generated drafts into more natural writing. Its Japanese-first workflow focuses on details such as verb endings, particles, and the balance of kanji and kana, while also supporting other languages. Choose casual, academic, or business mode to match the intended voice. Suikou AI is designed to preserve citations and important domain terms while you review and revise the result. The free plan includes up to 500 words per day.
Hi Product Hunt 👋 I'm Ryota, the indie maker behind Suikou AI.
I built Suikou AI after seeing how often an AI draft could be grammatically correct yet still feel unnatural—especially in Japanese. Small choices in verb endings, particles, and the balance of kanji and kana can make the difference between writing that flows and writing that feels translated.
Suikou AI gives you three editing modes—casual, academic, and business—so you can revise a draft for its actual audience. It is designed to keep citations and important terms intact, but the result always remains something you should read, verify, and own.
This is an editing aid, not a promise to bypass detectors or a substitute for following a school, publication, or workplace policy. My goal is simply to make revision faster while keeping the writer responsible for the final words.
I'd especially value feedback from people who write in Japanese or move between languages: where does an AI-assisted draft still sound least natural to you?
— Ryota
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About Suikou AI on Product Hunt
“Make AI writing sound natural — strongest in Japanese”
Suikou AI was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #152 on the daily leaderboard. Suikou AI is an editing workspace for turning stiff AI-generated drafts into more natural writing. Its Japanese-first workflow focuses on details such as verb endings, particles, and the balance of kanji and kana, while also supporting other languages. Choose casual, academic, or business mode to match the intended voice. Suikou AI is designed to preserve citations and important domain terms while you review and revise the result. The free plan includes up to 500 words per day.
Suikou AI was featured in Productivity (660.2k followers), Education (79.1k followers) and Languages (14.4k followers) on Product Hunt. Together, these topics include over 197.6k products, making this a competitive space to launch in.
Who hunted Suikou AI?
Suikou AI was hunted by Ryota Nishiyama. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Ryota Nishiyama