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37 Insane Ways to Use Claude Fable 5.2

Rakhul Karthick

12 Nov 2026

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All 37 posts, in order, with a link to each one and the ones you can try for free: https://rakhulkarthick.substack.com/p/37-insane-ways-to-use-claude-fable 37 things people already built with Claude Fable 5.2 in its first few days: full video games, a 3D Bugatti modelled part by part, a humanoid robot design, a computer chip design, and a real robot arm playing checkers. On paper, Claude Fable 5.2 isn't a huge jump. On FrontierSWE v2, one of the coding tests on Anthropic's launch page, Opus 5.5 scores 62.3% and Fable 5.2 scores 69.9%. So here's what people are really building with it, plus 3 head-to-heads other people ran between Fable 5.2 and Opus 5.5. What's in it: Games and 3D: a full shooter in 8 hours with no help, a Bugatti in about 2.5 hours, and a horror game in Unreal Engine Design and websites: a galloping horse in one 755 KB file, and a phone unboxing you can click through Real work and money: a flat blueprint turned into a 3D walkthrough, 1 square kilometre of Bangalore, and a comms team checking 725 of its old claims Science and robots: a robot arm playing all 62 moves of checkers, a chip design from 147 lines of code, and science code sped up 36 times in one part Family and fun: a handheld fan designed with kids, and a couch tennis game where your phone is the racket Fable 5.2 vs Opus 5.5: an ice cathedral, a chess match and a stick-figure fight Chapters: 00:00 What people built with Fable 5.2 in its first few days 00:57 Games and 3D (1 to 7) 04:02 Design and websites (8 to 13) 06:23 Real work and money (14 to 19) 09:07 Science and robots (20 to 26) 11:57 Family and fun (27 to 31) 13:38 Fable 5.2 vs Opus 5.5 (32 to 34) 14:43 And so much more (35 to 37) 15:29 A few points better on paper Links: Anthropic's Claude Fable 5.2 launch page (the benchmark numbers): https://www.anthropic.com/claude-fable-and-mythos-5-2 A note: I didn't build any of these. Every one is someone else's post, and most of the numbers are the creators' own. Fable 5.2 also cost more than Opus 5.5 in both head-to-heads that give a cost: $81.10 to $45.97 on the same ice cathedral prompt, and $2.90 to $1.32 in a chess game. If this helped, subscribe. Every week I show you how to actually use AI on real work. Rakhul

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