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

The average score is effectively tied at 8.8 vs 8.8. Muse Spark Open (medium) has the lower benchmark cost at $1.260 vs $2.213. GPT-5.4 (medium) is faster at 24.81s vs 77.44s, with pass rates of 78.3% vs 78.3%.

Last updated at: 2026-10-16

Compared models

Rank
#61
Total Output Tokens
220,815
Response Time (avg)
77.44s
Total Cost
$1.260
Rank
#60
Total Output Tokens
96,502
Response Time (avg)
24.81s
Total Cost
$2.213
Recommended model GPT-5.4 (medium)

It has the best score here (8.8), while responding about 3.1x faster than Muse Spark Open (medium).

Detailed comparison

Metric Muse Spark Open Muse Spark Open medium Release: 2026-10-15 GPT-5.4 GPT-5.4 medium Release: 2026-03-05
Score 8.8 8.8
Rank #61 #60
Reliability 9.8 10.0
Consistency 8.2 8.7
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 78.3% 78.3%
Flaky tests 5 4
Total Runs 69 69
Cost per result 8.396 12.535
Total Cost $1.260 $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 256,646 223,210
Output Tokens 10,490 7,312
Reasoning Tokens 210,325 89,190
Response Time (avg) 77.44s 24.81s
Response Time (max) 643.19s 100.41s
Response Time (total) 1781.16s 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.

#61 Muse Spark Open

medium
Cost
$0.018
Time
10.0s
Tokens
4,265 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 8.2 7.2 88.9% 1 18.01s 8,478 821 18,472
GPT-5.4 8.8 7.8 88.9% 1 44.36s 7,305 433 24,216

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