One developer, building AI in the open
Riel — used honestly,
built in the open
A Korean AI chatbot that remembers you, and the real record of building AI in public. Pick where to start.
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Riel Chatbot
A Korean AI chatbot that remembers you. Free to try, no card. (The UI is Korean-first.)
Meet the chatbot →📝
Build logs & guides
AI guides + engineering build logs — one developer's record, failures included.
Read the blog →Live
Riel is a Korean AI chatbot that remembers you, and the in-public record of building AI solo — failures included — by one developer, Junhee Park. Try the chatbot · Build logs.