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Compare, 2 models

Side by side.

Muse Spark Open and Grok 4.5 on every board at least two of them share. Blue marks the best in each row.

Specs

List prices, context and published output speed. Blue marks the best in each row.

Specs for Muse Spark Open and Grok 4.5
SpecMuse Spark OpenMetaGrok 4.5SpaceXAI
LabMetaSpaceXAI
TypeLanguageLanguage
ReleasedOct 15, 2026Jul 8, 2026
Input price$ per 1M tokens$1.25$2.00
Output price$ per 1M tokens$4.25$6.00
Blended price3 input tokens per output$2.00$3.00
Open weightsNoNo
Output speedTok / s140n/a

Benchmarks

Every board where at least two of these models have a published score. Each score links to its source.

Benchmark scores for Muse Spark Open and Grok 4.5
BoardMuse Spark OpenMetaGrok 4.5SpaceXAI
Artificial Analysis Intelligence IndexOverall, higher is better39Xhigh39High

n/a means the board has not published a score for that model.