Hands on: Fable 5 makes GPT 5.5 feel like a "toy"

MattVidPro Guide 1 months ago

Description

Claude Fable 5 is Anthropic's new Mythos-class model, and I tested it against GPT 5.5, Codex, Claude Code, and one of my hardest coding prompts. In normal chat, the difference is there but not life-changing. But once I asked it to build a realistic 3D water-globe simulation with lemon trees, real gravity, hidden Easter eggs, atmospheric sound, and a proper UI, Fable 5 produced the most complete version of this test I have ever seen.

▼ Link(s) From Today’s Video:
Release Post: https://www.anthropic.com/news/claude-fable-5-mythos-5
Pokemon Red Post: https://x.com/chetaslua/status/2064397343101993267
Power Rangers Test: https://x.com/Lentils80/status/2064379168272642315/
Chubby TLDR: https://x.com/kimmonismus/status/2064401121515274747
Lisan SVGs: https://x.com/scaling01/status/2064404189913002346
Ziwen Minecraft Demo: https://x.com/ziwenxu_/status/2064408194177274327
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