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Meta: Muse Spark Open

meta/muse-spark-open

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Muse Spark Open is a coding-optimized open-weight model. Trained specifically for agentic coding workflows, it delivers higher first-attempt accuracy, reliable tool calling, and deep codebase understanding across the repos developers actually work in.

Modalities
In / Out Price
$1.25 / $4.25per 1M
Context
1.0M
Released
Oct 15, 2026
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