hifumi.dev
hifumi.dev is Describe the app. Hifumi plans revisions, drives an LLM through implement → verify → commit, and hands you a clean Rails repo. Bring your own OpenRouter key. No vendor lock-in.. It is ranked #579 on the Dev Radar, in AI dev tools, first seen 12 days ago and shared in 3 posts (8.6k views).
hifumi.dev — build Rails apps from a chat prompt hifumi · 一二三 · hi-fu-mi Build Rails apps from a chat prompt. Describe the app — hifumi plans revisions , drives LLM through implement → verify → commit, and hands you a clean Rails repo. Bring your own OpenRouter key. No vendor lock-in. 一 hi · 01 · describe You describe the app Type a sentence — “a flower shop with checkout,” or paste a 200-line spec. Hifumi asks for clarifications, then plans the work as a sequence of small, named revisions. 二 fu · 02 · build Hifumi builds, revision by revision A Roast workflow drives AI through implement → verify → commit on a real Rails repo. Each revision…
What people said about hifumi.dev on X
Most AI app generators ship JavaScript, leaving non-coders outside the Rails ecosystem entirely. At #RailsWorld, @realPawelS introduces http://Hifumi.dev, the first online generator that builds Ruby on Rails apps from a prompt, with one-click preview through Kamal and export straight to GitHub. He'll walk through the…
— @rails, 10 days ago · 40 likes · see the post
I couldn't be more happy to be able to join the #RailsWorld lineup do the second year in a row. See you in Austin!
— @realPawelS, 10 days ago · 24 likes · see the post
Started GET "/input.php" for 20.194.2.112 at 2026-09-07 08:33:11 +0000 Started GET "/wp-configs.php" for 20.194.2.112 at 2026-09-07 08:33:11 +0000 It seems https://hifumi.dev has been noticed. It's one kind of success, right? :)
— @realPawelS, 12 days ago · 2 likes · see the post
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hifumi.dev in numbers
- Rank on the Dev Radar: #579 of 1353
- Shared in 3 posts by 2 accounts: @rails, @realPawelS
- 8.6k views on those posts
- First seen 12 days ago, last shared 10 days ago
- Pricing seen by Jev: not stated
- Market: AI dev tools
FAQ
What is hifumi.dev?
Describe the app. Hifumi plans revisions, drives an LLM through implement → verify → commit, and hands you a clean Rails repo. Bring your own OpenRouter key. No vendor lock-in. It was first shared on X 12 days ago and is ranked #579 on the Dev Radar.
Is hifumi.dev free?
Pricing is not stated on the page we read.
Who shared hifumi.dev?
2 accounts on X, including @rails, @realPawelS, in 3 posts totalling 8.6k views.
Every post is read and classified by Jev (TypeSafe): what it is, which market it belongs to, and whether the link is a real tool. 12.2k posts from 4.7k X accounts over the last 21 days, 1.4k tools, 12 markets. Collected every 5 minutes, fully re-ranked every hour — last update 2026-09-19 18:06 UTC. Full method.