Unverified50% confidenceFactExact time
Muse Spark Open has about 816 billion parameters, but only about 42 billion parameters are activated per token, while all 816 billion parameters must reside in memory at all times.
1
Sources
50%
Confidence
Long-term
Relevance
10/15/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedHugging Face says Muse Spark Open runs at a speed close to that of a 42-billion-parameter model.76% similarUnverifiedMuse Spark Open uses an MoE architecture, with 816B total parameters and 42B activated parameters.74% similarUnverifiedMuse Wonder supports a 1,048,576 Token context window (per request).73% similarUnverifiedMuse Spark Open has a 1M token context window.71% similarUnverifiedBoth Muse Wonder and Claude Opus 5.5 offer a 1 million token context window.66% similar
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