ConstellationAI Model Pulse

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Blind pairwise human preference on arena.ai (LMArena text). Style can beat rigor. Rankings move as votes land.

Text arena · Elo

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Updated 2026-09-02

RankModelEloNotes
01Claude Fable 5Anthropic150727k votes · $10 / $50
02Claude Opus 4.6 highAnthropic150572k votes · $5 / $25
03Claude Fable 5.1 maxAnthropic15042.9k votes · thin sample
04Claude Opus 4.7 highAnthropic150260k votes · $5 / $25
05Muse Spark 1.2 xHighMeta14993.2k votes · $1.25 / $4.25
06Claude Opus 4.6Anthropic149876k votes · default effort
07Gemini 3.8 Flash highGoogle14945.1k votes · preliminary
08Claude Opus 5 highAnthropic149335k votes
09Muse Spark 1.1Meta149224k votes
10Kimi K3 MaxMoonshot · open148918k votes · Kimi K3 license

Blind pairwise human preference on arena.ai (LMArena text). Style can beat rigor. Rankings move as votes land.

arena.ai text leaderboard