Claude Opus 5 built an entire landing page in Three.js.
Parallax with mouse orbit, particles that follow the cursor, a Death Stranding-style wireframe scanning intro and a butterfly that flies away when you mouse over. All in a single HTML file of less than 1MB,
Built a 3D commercial space planner with GLM-5.3
Comparing it with Claude Opus 5 and Kimi K3 Let’s see who did it best 👇
I gave 6 AI coding agents the same task
Build an autonomous 3D water simulation from scratch (TypeScript + Three.js, no physics engine). Same prompt, fresh empty repo each. ✅ Claude Opus 5 · Fable 5 · Sonnet 5 · Codex GPT-5.6-sol ❌ Haiku 4.5 · Grok 4.20 Results:
AI did not make websites faster.
It made choosing slower. textura shows the real bottleneck of opus 5 web builds. prompts library + claude = ten directions in minutes. picking one can take longer than the generate click. before: one design. iterate. ship. now: infinite mid.
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