Meta releases Muse Spark Open, a new ‘open-weight’ AI model

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 US open-weight model to date,” Meta’s chief of AI Alexandr Wang wrote on X. Continue reading...

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According to The Guardian’s source item, Meta releases Muse Spark Open, a new ‘open-weight’ AI model, 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 US open-weight model to date,” Meta’s chief of AI Alexandr Wang wrote on X. Continue reading…

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The development sits in VINI’s Technology file for readers following technology, science, product policy, markets, infrastructure, and the public consequences of innovation. The original report is linked so readers can check the source account, follow later updates, and compare new coverage against the first published record. The source item is dated 2026-10-16T00:34:28+00:00.

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Primary source: Meta releases Muse Spark Open, a new ‘open-weight’ AI model via The Guardian. VINI cites and links the source; it does not reproduce the publisher’s full article text without rights clearance.

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