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

The Guardian UK Friday 16 October 2026, 00:34 UTC By Agence France-Presse 1 min read
Key Points

Meta says Muse excels at ‘multi-step reasoning’ and ‘complex software engineering’ as it races to catch up to Chinese rivalsMeta 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...

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...
Meta (ORG) Muse Spark Open (ORG) Muse (PERSON) Chinese (ORG) AI (ORG) US (LOCATION) AI Alexandr Wang (ORG) X. Continue (PERSON)
Originally published by The Guardian UK Read original →

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