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  "dek": "Meta says Muse excels at ‘multi-step reasoning’ and ‘complex software engineering’ as it races to catch up to Chinese rivals Meta on Thursday launched a new open-weight AI model which it claims rivals, and in some cases outperforms, similar products from leading Chinese developers. Muse Spark Open “is the most capable",
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      "title": "Meta releases Muse Spark Open, a new ‘open-weight’ AI model",
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    "The evidence-strength label describes source structure, not truth, intent, impact, or causation.",
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