Meta Launches Muse Wonder AI Models for Complex Agentic Work

Meta released Muse Wonder and Muse Wonder Full on October 12, 2026, two frontier-tier AI models engineered for extended agentic tasks requiring multi-step reasoning, tool use, and persistent goal execution. The standard Muse Wonder, available through the Meta Model API at $4/$20 per million input/output tokens, scores 52 on Artificial Analysis's Intelligence Index. Muse Wonder Full, restricted to Muse Code subscribers, ranks 56—tying Claude Opus 5.5 and outpacing GPT-6 Astra's 53 on the same benchmark.