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

2 articles from 2 sources
First reported on Thursday 15 October 2026 at 20:34 EDT by The Guardian·Latest article on Friday 16 October 2026 at 11:27 EDT

Summary

Meta released Muse Spark Open, a new 'open-weight' AI model, The Guardian reported on Friday 16 October, the company saying Muse excels at 'multi-step reasoning' and 'complex software engineering' as it races to catch up to Chinese rivals. The Independent reported that the powerful 'Muse Spark Open' system represents a departure from many other AI systems, and from Meta's long-running feud with Apple.

Latest: Meta released Muse Spark Open, a new 'open-weight' AI model that the company says excels at 'multi-step reasoning' and 'complex software engineering' as it races to catch up to Chinese rivals, The Guardian reported, The Independent calling the system a departure from many other AI systems.

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How it unfolded

  1. Friday 16 October

    Meta released Muse Spark Open, a new 'open-weight' AI model that the company says excels at 'multi-step reasoning' and 'complex software engineering' as it races to catch up to Chinese rivals, The Guardian reported, The Independent calling the system a departure from many other AI systems.

  2. Thursday 15 October