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Model · OpenRouter

Meta/Muse Spark Open

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...

Author / organizationMeta
AccessHosted API (no weights listed here)
Price per million tokens$1.25 in · $4.25 out
Context window1,048,576 tokens
Taskimage-text-to-text
Created15 October 2026
Last updated at source—
image-text-to-texthostedreasoningtool-use
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USD per million tokens

01.32.53.8510-1510-1610-17Input · 10-15: 1.25Input · 10-16: 1.25Input · 10-17: 1.25Output · 10-15: 4.25Output · 10-16: 4.25Output · 10-17: 4.25
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Silytics shows public metadata from OpenRouter and links to the original. Information may be incomplete or out of date. Last refreshed 17 October 2026. Licenses and terms of the original apply to the work itself. Not financial, legal or professional advice.