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Muse Spark 1.2 (high) vs GPT-5.4 (medium)

Muse Spark 1.2 (high) leads on average score with 8.7 vs 8.5. GPT-5.4 (medium) has the lower benchmark cost at $1.560 vs $1.771. GPT-5.4 (medium) is faster at 22.85s vs 26.59s, with pass rates of 74.2% vs 77.3%.

Last updated at: 2026-09-18

Compared models

Rank
#45
Total Output Tokens
382,087
Response Time (avg)
26.59s
Total Cost
$1.771
Rank
#51
Total Output Tokens
90,466
Response Time (avg)
22.85s
Total Cost
$1.560
Recommended model GPT-5.4 (medium)

It offers the best overall trade-off: a competitive score (8.5), lower cost than Muse Spark 1.2 (high), and balanced response time.

Detailed comparison

Metric Muse Spark 1.2 Muse Spark 1.2 high Release: 2026-08-06 GPT-5.4 GPT-5.4 medium Release: 2026-03-05
Score 8.7 8.5
Rank #45 #51
Reliability 9.9 10.0
Consistency 8.3 8.6
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 74.2% 77.3%
Flaky tests 5 4
Total Runs 66 66
Cost per result 12.645 10.399
Total Cost $1.771 $1.560
Input Price $1.250 / 1M $2.500 / 1M
Output Price $4.250 / 1M $15.000 / 1M
Total Input Tokens 117,037 81,136
Output Tokens 6,983 6,155
Reasoning Tokens 375,104 84,311
Response Time (avg) 26.59s 22.85s
Response Time (max) 192.00s 100.41s
Response Time (total) 584.89s 502.78s
Parameters ~1T total (~50B active) ~1.5T total (~100B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#45 Muse Spark 1.2

high
Cost
$0.057
Time
34.7s
Tokens
13,356 tok

#51 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 1.2 10.0 10.0 100.0% 0 22.24s 7,275 351 47,857
GPT-5.4 8.8 7.8 88.9% 1 44.36s 7,305 433 24,216

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