Meta's Muse Wonder (Max) lands at #12 in Agent Arena at 2.1x the cost of its predecessor
arena · x · 2026-10-15
Arena released results from 5K+ real-world agentic sessions: Meta's Muse Wonder (Max) debuted at #12 on the Agent Arena leaderboard with +6.4% net improvement, up 2.8 points and four spots from Muse Spark 1.3 (Max) at #16 (+3.6%).
Cost: The gains come at a price — $1.13 median cost per task vs. $0.54 for Spark 1.3, roughly 2.1x. Still cost-competitive nearby: within 1 point of #10 GPT-5.6 Sol (xHigh) at 25% lower cost, and within 2 points of #9 Claude Fable 5 (High) at 67% lower cost.
By category (vs. Spark 1.3): Chat #12 (+6.5%) vs. #15 (+3.3%); Work #13 (+6.8%) vs. #18 (+3.7%); Code #15 (+5.2%) vs. #18 (+4.2%).
Muse Wonder (Max) also ranks #15 in Code Arena: WebDev (1651 pts) and jumped 19 points to #2 in Text Arena (1513 pts), just 12 points behind leader Gemini 4 Argon (High).
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