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Muse Spark 1.3 (high) vs Grok 4.5 (high)

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 $2.252. Grok 4.5 (high) is faster at 72.30s vs 117.06s, with pass rates of 81.8% vs 86.4%.

Last updated at: 2026-09-02

Rank
#24
Total Output Tokens
265,177
Response Time (avg)
117.06s
Total Cost
$1.252
Rank
#26
Total Output Tokens
324,462
Response Time (avg)
72.30s
Total Cost
$2.252
Recommended model Muse Spark 1.3 (high)

It has the best score here (9.0), while costing about 1.8x less than Grok 4.5 (high).

Detailed comparison

Metric Muse Spark 1.3 Muse Spark 1.3 high Release: 2026-09-02 Grok 4.5 Grok 4.5 high Release: 2026-07-08
Score 9.0 9.0
Rank #24 #26
Reliability 9.5 10.0
Consistency 8.9 8.9
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 81.8% 86.4%
Flaky tests 3 3
Total Runs 66 66
Cost per result 7.361 12.565
Total Cost $1.252 $2.252
Input Price $1.250 / 1M $2.000 / 1M
Output Price $4.250 / 1M $6.000 / 1M
Total Input Tokens 99,477 152,175
Output Tokens 14,053 5,655
Reasoning Tokens 251,124 318,807
Response Time (avg) 117.06s 72.30s
Response Time (max) 470.12s 676.83s
Response Time (total) 2575.43s 1590.56s
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.

#24 Muse Spark 1.3

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

#26 SpaceXAI: Grok 4.5

high
Cost
$0.015
Time
29.7s
Tokens
2,737 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
Grok 4.5 10.0 10.0 100.0% 0 155.16s 9,579 357 100,752

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