@rohanpaul_ai: Fable 5 absolutely crushed the HTML5 physics contest, but cost 6x more than Opus 4.8 and 39× more than GLM 5.2 in that …
Summary
A comparison of four AI models (Fable 5, Opus 4.8, GLM 5.2, GPT 5.5) on generating HTML5 canvas physics demos shows Fable 5 outperforms others in quality but costs significantly more per test.
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Fable 5 absolutely crushed the HTML5 physics contest, but cost 6x more than Opus 4.8 and 39× more than GLM 5.2 in that test.
Test was done on atomic[.]chat, a desktop app that runs LLMs locally.
The test asked 4 models to generate self-contained canvas demos with believable motion and collisions.
The scenes were not simple animations because every crash needed gravity, force, timing, and contact handling.
Outputs:
- Fable 5: 62,158 tokens, $3.12
- GPT 5.5: 37,753 tokens, $1.14
- Opus 4.8: 22,280 tokens, $0.56
- GLM 5.2: 36,246 tokens, $0.08
atomic.chat (@atomic_chat_hq): Fable 5 totally crushed our new contest, but it cost 6x more than Opus 4.8!
We gave 4 models the same prompt: build three self-contained HTML5 canvas scenes with real physics demos
Prompts: — A train derailing off a broken bridge into the water — Two cars jumping off ramps and
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