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

The average score is effectively tied at 8.8 vs 8.8. Muse Ember (xhigh) has the lower benchmark cost at $0.232 vs $1.260. Muse Ember (xhigh) is faster at 13.90s vs 77.44s, with pass rates of 76.8% vs 78.3%.

Last updated at: 2026-11-10

Compared models

Rank
#73
Total Output Tokens
409,112
Response Time (avg)
13.90s
Total Cost
$0.232
Rank
#74
Total Output Tokens
220,815
Response Time (avg)
77.44s
Total Cost
$1.260
Recommended model Muse Ember (xhigh)

It has the best score here (8.8), while costing about 5.4x less than Muse Spark Open (medium).

Detailed comparison

Metric Muse Ember Muse Ember xhigh Release: 2026-11-09 Muse Spark Open Muse Spark Open medium Release: 2026-10-15
Score 8.8 8.8
Rank #73 #74
Reliability 10.0 9.8
Consistency 8.9 8.2
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 76.8% 78.3%
Flaky tests 3 5
Total Runs 69 69
Cost per result 1.450 8.396
Total Cost $0.232 $1.260
Input Price $0.100 / 1M $1.250 / 1M
Output Price $0.500 / 1M $4.250 / 1M
Cache Read Price $0.004 / 1M $0.150 / 1M
Cache Write Price $0.125 / 1M N/A
Total Input Tokens 274,208 256,646
Output Tokens 11,740 10,490
Reasoning Tokens 397,372 210,325
Response Time (avg) 13.90s 77.44s
Response Time (max) 79.38s 643.19s
Response Time (total) 319.61s 1781.16s
Parameters ~150B total (~10B 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.

#73 Muse Ember

xhigh
Cost
$0.008
Time
24.3s
Tokens
14,705 tok

#74 Muse Spark Open

medium
Cost
$0.018
Time
10.0s
Tokens
4,265 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 Ember 10.0 10.0 100.0% 0 10.41s 7,410 1,225 40,702
Muse Spark Open 8.2 7.2 88.9% 1 18.01s 8,478 821 18,472

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