Head-to-head coding duel: Opus 5.5 vs Kimi K3.1 Pro on the same Canvas 2D game

Scobleizer · x · 2026-10-24

Developer adolandev benchmarked Claude Opus 5.5 against Kimi K3.1 Pro with an identical challenge: build "Lantern Hour" in a single HTML file with 4 art styles, a full day/night cycle, dynamic lighting and shadows, and interactive controls — Canvas 2D only, no libraries or external assets.

The post doesn't declare a winner, instead inviting readers to judge the two outputs, making it a notable same-task comparison of coding-model capabilities.

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