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Muse Spark Open (low) vs GPT-5.4 (medium)

Muse Spark Open (low) leads on average score with 8.9 vs 8.8. Muse Spark Open (low) has the lower benchmark cost at $0.600 vs $2.213. Muse Spark Open (low) is faster at 21.62s vs 24.81s, with pass rates of 76.8% vs 78.3%.

Last updated at: 2026-10-16

Compared models

Rank
#53
Total Output Tokens
59,058
Response Time (avg)
21.62s
Total Cost
$0.600
Rank
#60
Total Output Tokens
96,502
Response Time (avg)
24.81s
Total Cost
$2.213
Recommended model Muse Spark Open (low)

It has the best score here (8.9), while costing about 3.7x less than GPT-5.4 (medium).

Detailed comparison

Metric Muse Spark Open Muse Spark Open low Release: 2026-10-15 GPT-5.4 GPT-5.4 medium Release: 2026-03-05
Score 8.9 8.8
Rank #53 #60
Reliability 9.9 10.0
Consistency 9.1 8.7
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 76.8% 78.3%
Flaky tests 3 4
Total Runs 69 69
Cost per result 3.746 12.535
Total Cost $0.600 $2.213
Input Price $1.250 / 1M $2.500 / 1M
Output Price $4.250 / 1M $15.000 / 1M
Cache Read Price $0.150 / 1M $0.250 / 1M
Cache Write Price N/A N/A
Total Input Tokens 278,684 223,210
Output Tokens 10,151 7,312
Reasoning Tokens 48,907 89,190
Response Time (avg) 21.62s 24.81s
Response Time (max) 119.16s 100.41s
Response Time (total) 497.25s 570.60s
Parameters 816B total (42B active) ~1.5T total (~100B active)
Availability Weights available Closed

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.

#53 Muse Spark Open

low
Cost
$0.014
Time
38.9s
Tokens
3,372 tok

#60 GPT-5.4

medium
Cost
$0.214
Time
199.6s
Tokens
14,349 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 Open 10.0 10.0 100.0% 0 9.97s 8,479 347 10,835
GPT-5.4 8.8 7.8 88.9% 1 44.36s 7,305 433 24,216

Quick Compare

Switch Comparison Pair

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