Opus 5.5 vs Fable 5.2: a 3D pixel-art Christmas shop window
Author’s claim. Posted before Fable 5.2 came out. The author called it Fable 5.5, the name rumors gave the next Fable. We can’t verify which model ran.
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Picked from what creators posted that week, each one credited and linked to the original post.
One email a week: the best new Fable 5.2 works
Our note
Bands alternate between Claude Fable 5.5, marked Thought 23 min, and Claude Opus 5.5 Max, marked Thought 71 min. The Fable window is a voxel snowy street on a floating slab with a clock shop, a carousel, a tree and toy soldiers. The Opus window is a round floating town in heavy snow with red curtains, a moon, a train, a teddy bear and fireworks. The author judges the Opus version better; this is one person's single comparison.
Written by The Frontier Brief after watching the video (Nov 9, 2026). It describes what is on screen; we have not run the work ourselves.
Prompt
Not known. We have not found a prompt published by the author.
What we know
- Model
- Listed under Fable 5.2. The author wrote Claude Fable 5.5 (author’s claim)
- What we checked
- The post names Fable 5.5 (reviewed 2026-11-09). Which model actually ran is the author’s claim.
Video from @AIMind_Ai’s post on X, credited to the author. Want it taken down? Email support@fable5.app.
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