Friday, 16 October 2026 Updated 39 min ago
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Meta releases Muse Spark Open, a new ‘open-weight’ AI model

Muse Spark Open “is the most capable US open-weight model to date,” Meta’s chief of AI Alexandr Wang wrote on X.

Image accompanying the story: Meta releases Muse Spark Open, a new ‘open-weight’ AI model
Image: Photograph: Dado Ruvić/Reuters · via The Guardian

The Guardian reports: Muse Spark Open “is the most capable US open-weight model to date,” Meta’s chief of AI Alexandr Wang wrote on X.

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.

This technology story centres on China. Names and organisations mentioned in the coverage include Muse Spark Open, AI Alexandr Wang and AI.

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Key details

Location
China · Asia
Reported by
The Guardian
First reported
Key names
Muse Spark Open, AI Alexandr Wang, AI, Chinese
Section
Technology

Sources

This is an independent summary. Read the full, original reporting from the publisher:

Read the full story at The Guardian

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