Meta’s Muse Spark series from its Superintelligence Labs has shown steady gains in agentic coding and long-horizon tasks across releases, with Muse Spark 1.3 achieving a 1495 Text Arena score shortly after its September 2 launch and ranking near the frontier alongside models like Gemini 3.8 Flash. The subsequent October 15 open-weights release and parallel push into the higher-end Muse Wonder line have shifted some development focus, creating uncertainty about whether the next closed 1.4+ version will prioritize immediate leaderboard strength or real-world efficiency improvements like reduced tool calls. Traders are watching Meta’s release cadence, internal scaling signals, and any early benchmark leaks ahead of a potential late-November debut that could determine if the model clears high Text Arena thresholds on first appearance.