Claude Opus 5 Max Tops WebDev Code Arena, Beating Kimi K3 Max and Qwen 3.8

arena · x · 2026-08-07

The latest WebDev AI Arena leaderboard ranks claude-opus-5-max at #1 with a score of 1686. Moonshot's kimi-k3-max (1675) and claude-opus-5-high (1670) follow closely in the top 3.

Alibaba's qwen3.8-max sits at #4, while Meta's muse-spark-1.2 ranks #14. Compared to v1.1, Muse Spark 1.2 shows massive ranking jumps across multiple categories including HTML, Gaming, and Frontend tasks.

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