Meta's Muse Wonder Full Climbs Agent Arena Rankings With 11% Performance Gain on Real-World Agent Tasks

Meta's latest frontier model, Muse Wonder Full, has advanced to position #4 in Agent Arena after demonstrating an 11.3% net improvement across more than 6,500 real-world agentic sessions. The breakthrough reflects Meta's push to develop models specifically optimized for autonomous agent workflows involving multi-step planning, tool use, and long-horizon task completion.