Tetris battle: Jev vs Claude Haiku 4.5 Both compete in REAL

@tdinh_me Tony Dinh · Sep 18, 2026 · case #099738 · listed via Jev Hub

Still from the clip posted with this case; watch it in the original post on X.

Set up a real-time Tetris match between Jev and Claude Haiku 4.5 where both speed and decision quality determine the winner.

The original post

Tetris battle: Jev vs Claude Haiku 4.5 Both compete in REAL TIME. This means both SPEED and INTELLIGENCE matter. (Link to try it yourself below)

Engagement when collected

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Numbers are a snapshot taken from X when the case was added to the library (schema v1, collected 2026-09-19); they will not match today.

Where this case fits

Filed under games & playable demos. In the pattern Jev is built for, the model answers a bounded question per step — and ordinary code acts on the answer, because the answer is already a value rather than a paragraph. Other posts in the same family are on the games & playable demos page.

🎮 Games & playable demos