Forget threejs demos, Opus 5.5 is *incredible* at building apps.
This is a AI post classified by Jev as AI app builders (a tool drop), kept by the AI Radar because it carries real work, not commentary.
Forget threejs demos, Opus 5.5 is *incredible* at building apps. This is Letters Abroad, a language-learning app I'm working on. You exchange letters with an AI pen pal, and learn a language through context (plus some brain science magic). http://lettersabroad.app (also built by Opus, of course) I've been tinkering with this the last week. I built a prototype with Astra, but wasn't happy with the design. Tried Fable, still wasn't good enough. Then Opus 5.5 dropped. In a few hours, I've made more progress on the visuals than in a week of burning tokens. This model is insane. It reads my min
Posted by Anshu (16.3k followers) 1 h ago · 27 likes · 1.4k views · view the original post on X. Kept by the AI Radar as AI app builders. Tools mentioned: Letters Abroad.
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