Claude Opus 4.6 vs GPT-5.4
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Claude Opus 4.6 vs GPT-5.4 in real side-by-side tests: 1 post from X where both got the same prompt. Judge coding ability from the actual outputs.
Posts
1Summary
Claude Opus 4.6 and GPT-5.4 appear together in 1 post on X: curtain cloth physics (Vite + React) (@developedbyed). None of these posts report cost or time per model. According to @developedbyed, GPT-5.4 optimized the scene far better and got cutting working; Opus 4.6 felt janky with lower fps. (The author’s view.)
What each post reports
| Post | Model | Time | Cost | Tokens | Author’s verdict | Original |
|---|---|---|---|---|---|---|
| Curtain cloth physics (Vite + React)@developedbyed | Claude Opus 4.6 | — | — | — | — | X post |
| Curtain cloth physics (Vite + React)@developedbyed | GPT-5.4 | — | — | — | Author’s pick | X post |
Only numbers stated in each post. “—” means the post doesn’t say.
Who won where
1- Curtain cloth physics (Vite + React)GPT-5.4 optimized the scene far better and got cutting working; Opus 4.6 felt janky with lower fps.— the author’s view, @developedbyed (paraphrased)
Prompts shown in the posts
Build a premium Vite + React interactive cloth simulation of a cozy room curtain using real particle/constraint physics, with structural + shear springs, damping, collisions, and stable real-time deformation. — @developedbyed