Muse Spark Open
by Kilo Gateway · family muse · listed Oct 2026RTVW
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...
Current rates USD per 1M tokens
Input$1.25
Output$4.25
Cache read$0.15
Cache write—
Against the market
On the record
- Model id
meta/muse-spark-open- Context window
- 1M tokens
- Max output
- 262K tokens
- Input modalities
- text, image, video, pdf, audio
- Output modalities
- text
- Reasoning
- yes
- Tool calls
- yes
- Open weights
- yes
- Knowledge cutoff
- Jan 2026
- Released
- 2026-10-15
- Last updated
- 2026-10-15
- Provider docs
- kilo.ai
Back of the envelope
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