WorldTUI: Dev trains a 360M-parameter model to act as a fake terminal

alphax314 · hn · 2026-10-22

A Hacker News hit: the author trained a 360M-parameter world model (WorldTUI) that imitates an interactive terminal — it responds to typed commands as if it were a real shell. The accompanying blog post covers the training approach and implementation, showing a fun take on tiny models as world simulators.

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