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Muse Spark Open (Xhigh)Open weights

Released 2026-10-15 · Context 1049K · Data snapshot 2026-10-22

Overall score

47.5

Ranked #46
Benchmark coverage
59.1%
13 third-party benchmarks
Context window
1049K
tokens
Input price
$1.25
Cache read $0.15
Output price
$4.25
per million tokens
OpenRouter usage
#82
111.2B tokens/day

Prices converted at snapshot-day rate (USD/CNY 6.6761)

Dimension performance

Office54.6
Reasoning54.5
Coding40.5
Above averageBelow averageAnchored at 50 (reference models’ average); every 15 points ≈ one standard deviation

Benchmark details

Coding3 items
LiveBench 2.0 · Coding73.6
LiveBench 2.0 · Browser36
LiveBench 2.0 · Long Agentic18.9
Reasoning2 items
LiveBench 2.0 · Reasoning73.7
AA Intelligence Index38.9
Office8 items
LiveBench 2.0 · Research80.3
LiveBench 2.0 · Design60.3
LiveBench 2.0 · Data Analysis60.2
AA Economics51
AA Legal44.5
AA Strategy & Ops42.7
AA Finance & Accounting42.5
AA Engineering40.4

Multiple reasoning tiers of the same benchmark take the best value; raw scores have different scales and are not comparable across benchmarks.

Score trend

2026-10-202026-10-22
View daily data
2026-10-2247.5
2026-10-2147.5
2026-10-2047.5
Scores and prices come from third-party public data (Artificial Analysis / LMArena / OpenRouter). 50 is the reference models’ average; every 15 points ≈ one standard deviation. Prices are converted at snapshot-day rates and provided for reference only. Return to LLM Leaderboard.