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Muse Spark 1.3 (medium) vs Muse Spark Open (xhigh)

Muse Spark Open (xhigh) leads on average score with 9.0 vs 9.0. Muse Spark 1.3 (medium) has the lower benchmark cost at $1.712 vs $2.081. Muse Spark 1.3 (medium) is faster at 39.83s vs 92.38s, with pass rates of 85.5% vs 81.2%.

Last updated at: 2026-10-16

Compared models

Rank
#47
Total Output Tokens
328,911
Response Time (avg)
39.83s
Total Cost
$1.712
Rank
#44
Total Output Tokens
409,641
Response Time (avg)
92.38s
Total Cost
$2.081
Recommended model Muse Spark 1.3 (medium)

Its score stays close to the best score here (9.0 vs 9.0), while responding about 2.3x faster than Muse Spark Open (xhigh).

Detailed comparison

Metric Muse Spark 1.3 Muse Spark 1.3 medium Release: 2026-09-02 Muse Spark Open Muse Spark Open xhigh Release: 2026-10-15
Score 9.0 9.0
Rank #47 #44
Reliability 10.0 9.6
Consistency 8.9 8.3
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 85.5% 81.2%
Flaky tests 3 5
Total Runs 69 69
Cost per result 9.507 13.001
Total Cost $1.712 $2.081
Input Price $1.250 / 1M $1.250 / 1M
Output Price $4.250 / 1M $4.250 / 1M
Cache Read Price $0.150 / 1M $0.150 / 1M
Cache Write Price N/A N/A
Total Input Tokens 250,676 271,242
Output Tokens 13,511 11,803
Reasoning Tokens 315,400 397,838
Response Time (avg) 39.83s 92.38s
Response Time (max) 219.77s 482.30s
Response Time (total) 916.20s 2124.67s
Parameters ~1T total (~50B active) 816B total (42B active)
Availability Closed Weights available

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Model generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#47 Muse Spark 1.3

medium
Cost
$0.025
Time
113.4s
Tokens
5,952 tok

#44 Muse Spark Open

xhigh
Cost
$0.049
Time
244.5s
Tokens
11,567 tok

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Muse Spark 1.3 10.0 10.0 100.0% 0 41.14s 7,275 1,182 46,737
Muse Spark Open 10.0 10.0 100.0% 0 51.43s 8,478 1,796 53,029

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