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Muse Spark 1.3 (high) vs GPT-5.5 (medium)

The average score is effectively tied at 9.0 vs 9.0. Muse Spark 1.3 (high) has the lower benchmark cost at $1.252 vs $4.163. GPT-5.5 (medium) is faster at 38.97s vs 117.06s, with pass rates of 81.8% vs 87.9%.

Last updated at: 2026-09-02

Rank
#24
Total Output Tokens
265,177
Response Time (avg)
117.06s
Total Cost
$1.252
Rank
#22
Total Output Tokens
125,316
Response Time (avg)
38.97s
Total Cost
$4.163
Recommended model Muse Spark 1.3 (high)

It has the best score here (9.0), while costing about 3.3x less than GPT-5.5 (medium).

Detailed comparison

Metric Muse Spark 1.3 Muse Spark 1.3 high Release: 2026-09-02 GPT-5.5 GPT-5.5 medium Release: 2026-04-24
Score 9.0 9.0
Rank #24 #22
Reliability 9.5 10.0
Consistency 8.9 8.9
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 81.8% 87.9%
Flaky tests 3 3
Total Runs 66 66
Cost per result 7.361 23.127
Total Cost $1.252 $4.163
Input Price $1.250 / 1M $5.000 / 1M
Output Price $4.250 / 1M $30.000 / 1M
Total Input Tokens 99,477 80,668
Output Tokens 14,053 5,617
Reasoning Tokens 251,124 119,699
Response Time (avg) 117.06s 38.97s
Response Time (max) 470.12s 332.10s
Response Time (total) 2575.43s 857.43s
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.

#24 Muse Spark 1.3

high
Cost
$0.050
Time
203.3s
Tokens
11,679 tok

#22 GPT-5.5

medium
Cost
$0.112
Time
71.9s
Tokens
3,807 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 1.3 10.0 10.0 100.0% 0 146.96s 7,275 2,003 59,912
GPT-5.5 8.8 7.8 88.9% 1 59.77s 7,305 362 24,959

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