3D watermelon test: Opus 5.5 costs $8.98 vs Gemini 4 Argon at $0.34

DynamicWebPaige · x · 2026-10-18

Dev @vib3coded generated rotatable, zoomable fluffy 3D watermelons in the browser with Claude Opus 5.5 and Gemini 4 Argon: Opus produced longer, fuller fur with nicer highlights; Gemini had shorter fur, sharper stripes and a cleaner silhouette. API cost: Opus $8.98 vs Gemini $0.34 — a 26.4x gap. Paige Bailey notes you could iterate Gemini's fur 25 more times and still come out ahead, a key point for vibe coding and browser-based 3D shader work with fast feedback loops.

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