Claude Opus 5.5 tops Code Arena WebDev with 1818 points

Claude Opus 5.5 登顶 Arena Code Arena： WebDev 榜首，得 1818 分

Anthropic's Claude Opus 5.5 (Max) scored 1818 on Arena's Code Arena WebDev leaderboard, taking first place. It leads GPT-6 Astra (Max) by 26 points and beats Opus 5 (Max)'s 1692 by 126 points. The post doesn't include evaluation details beyond the scores and rankings.

Why it matters: Claude Opus 5.5 tops Code Arena WebDev with concrete scores and gaps — directly useful for Claude-heavy devs. But the post doesn't disclose methodology, task scope, or evaluation conditions, so the information density only clears the featured threshold, not p1.