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Meta: Muse Spark 1.1 vs OpenAI: GPT-5.4

Muse Spark 1.1 (medium) leads on average score with 8.6 vs 8.5. Muse Spark 1.1 (medium) has the lower benchmark cost at $1.357 vs $1.533. GPT-5.4 (medium) is faster at 23.10s vs 24.97s, with pass rates of 72.7% vs 77.3%.

Recommended modelMuse Spark 1.1 (medium)It has the strongest score in this comparison (8.6) and the best overall balance of cost and response time across all 2 models.

Last updated at: 2026-07-18

Metric Muse Spark 1.1 Muse Spark 1.1 medium Release: 2026-07-16 GPT-5.4 GPT-5.4 medium Release: 2026-03-05
Score 8.6 8.5
Rank #16 #18
Reliability 10.0 10.0
Consistency 9.2 8.6
Tests Correct
Attempt pass rate 72.7% 77.3%
Flaky tests 2 4
Total Runs 66 66
Cost per result 9.041 10.220
Total Cost $1.357 $1.533
Input Price $1.250 / 1M $2.500 / 1M
Output Price $4.250 / 1M $15.000 / 1M
Total Input Tokens 142,567 81,127
Output Tokens 7,905 6,155
Reasoning Tokens 269,225 82,515
Response Time (avg) 24.97s 23.10s
Response Time (max) 165.38s 100.41s
Response Time (total) 549.31s 508.26s

Hamster playing table tennis

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

#16 Muse Spark 1.1

medium
Cost
$0.024
Time
29.2s
Tokens
5,774 tok

#18 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 1.1 10.0 10.0 100.0% 0 15.66s 8,562 347 23,562
GPT-5.4 8.8 7.8 88.9% 1 44.36s 7,305 433 24,216

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