Video by AI Stack Engineer (@AIStackEngineer) · originally posted on XView original post on X
Claude Fable 5 vs Claude Opus 4.8
3D Rubik's cube from a two-line prompt
AI Stack Engineer@AIStackEngineer0 likes48 views
Claude Fable 5 and Claude Opus 4.8 get the same two-line prompt to build a 3D Rubik's cube. Per the author, Opus made flat squares and Fable glossy, lit tiles.
Models
| Model |
|---|
| Claude Fable 5Anthropic |
| Claude Opus 4.8Anthropic |
Details
| Kind | Side-by-side (same post, same prompt) |
|---|---|
| Task | 3D Rubik's cube from a two-line prompt |
| Author’s verdict | Fable 5 made glossy rounded tiles with real lighting; Opus 4.8 made flat colored squares. — @AIStackEngineer’s view (paraphrased) |
| Topic | Rubik's cube in Three.js |
| Prompt (from the post) | build a 3D Rubik's cube |
| Category | 3D & Shaders |
| Mode | Not stated |
| Posted | |
| Video length | 35.9 s |
| Likes / views | 0 / 48 · as of Oct 18, 2026 |
| Bookmarks | 1 |
| Sponsored | No |
| Original post | x.com/AIStackEngineer/status/2064622788540059711 |
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