Short Film · Sep 23, 2026

Opus 5.5 made a holiday animation about kinesin, microtubules, and the gift of cell-cell communication

Opus 5.5 made a holiday animation… by Jacob, credited to Claude Opus 5.5. Watch the Short Film video, explore the shared prompt and visit the original X post.

Jacob@JacobMolBio
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Opus 5.5
10 likes · 1,266 views on X, checked Oct 7, 2026
From the creator’s post · Jacob on X
Opus 5.5 made a holiday animation about kinesin, microtubules, and the gift of cell-cell communication "It's Christmas Eve inside a cell, and Kiki the kinesin has a gift to deliver. Fueled by ATP, she sets off down a microtubule, 8 nanometers at a time, saying hi to every neighbor she passes. But up ahead, the microtubule's growing tip is losing its glow. Halfway there, her microtubule suffers a catastrophe, and the collapse comes racing back toward her feet. Will Kiki survive to make her delivery to the cell surface?"
From the creator

The prompt behind it.

Original prompt
It's Christmas Eve inside a cell, and Kiki the kinesin has a gift to deliver. Fueled by ATP, she sets off down a microtubule, 8 nanometers at a time, saying hi to every neighbor she passes. 

But up ahead, the microtubule's growing tip is losing its glow. Halfway there, her microtubule suffers a catastrophe, and the collapse comes racing back toward her feet. 

Will Kiki survive to make her delivery to the cell surface?
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Video and prompt by Jacob. Original post ↗

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