Meta’s Muse Spark 1.3 (Max) climbs to No. 13 in Agent Arena

Meta’s Muse Spark 1.3 (Max) has reached No. 13 in Agent Arena, recording a +4.2% net improvement across more than 8.7K real-world agentic sessions. The result places it 17 positions above Muse Spark 1.2 (xHigh), which ranked No. 30 with a −1.8% result.