Meta reported that its Muse Wonder model outscores Anthropic's Claude Fable 5.1 and Claude Opus 5.5 and OpenAI's GPT-6 Astra on Meta's internal MemoryBench long-conversation memory benchmark

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Muse Wonder

Meta's first frontier AI models, Muse Wonder and Muse Wonder Full, released on October 12, 2026 by Meta Superintelligence Labs for personal and professional agentic tasks.

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