Meta Launches Muse Wonder Frontier Models, Tests Performance Against OpenAI and Anthropic on Agent Arena Benchmarks

Meta released Muse Wonder and Muse Wonder Full on October 12, 2026, marking its entry into the frontier-class AI model race. The models, built specifically for agentic tasks, are now being evaluated on Agent Arena, a benchmarking platform that measures AI performance across millions of real-world, long-horizon tasks.