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Muse Spark 1.1 (medium) vs Grok 4.5 (medium)

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 $1.420 vs $2.042. Muse Spark 1.1 (medium) is faster at 26.25s vs 68.59s, with pass rates of 72.7% vs 83.3%.

Last updated at: 2026-08-20

Rank
#32
Total Output Tokens
292,152
Response Time (avg)
26.25s
Total Cost
$1.420
Rank
#37
Total Output Tokens
299,460
Response Time (avg)
68.59s
Total Cost
$2.042
Recommended model Muse Spark 1.1 (medium)

It has the best score here (8.6), while responding about 2.6x faster than Grok 4.5 (medium).

Detailed comparison

Metric Muse Spark 1.1 Muse Spark 1.1 medium Release: 2026-07-16 Grok 4.5 Grok 4.5 medium Release: 2026-07-08
Score 8.6 8.5
Rank #32 #37
Reliability 10.0 10.0
Consistency 9.2 8.9
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 72.7% 83.3%
Flaky tests 2 3
Total Runs 66 66
Cost per result 9.463 12.007
Total Cost $1.420 $2.042
Input Price $1.250 / 1M $2.000 / 1M
Output Price $4.250 / 1M $6.000 / 1M
Total Input Tokens 142,147 122,155
Output Tokens 7,905 5,514
Reasoning Tokens 284,247 293,946
Response Time (avg) 26.25s 68.59s
Response Time (max) 165.38s 436.38s
Response Time (total) 577.47s 1508.91s
Parameters ~1T total (~50B active) ~1.7T total (~170B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#32 Muse Spark 1.1

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

#37 SpaceXAI: Grok 4.5

medium
Cost
$0.044
Time
59.4s
Tokens
7,512 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
Grok 4.5 7.6 7.2 77.8% 1 155.69s 9,579 390 104,634

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