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Claude Sonnet 5.5 (xhigh) vs Muse Spark 1.1 (low)

The average score is effectively tied at 8.3 vs 8.3. Muse Spark 1.1 (low) has the lower benchmark cost at $0.673 vs $1.069. Muse Spark 1.1 (low) is faster at 11.89s vs 13.17s, with pass rates of 78.8% vs 71.2%.

Last updated at: 2026-09-29

Compared models

Rank
#79
Total Output Tokens
77,105
Response Time (avg)
13.17s
Total Cost
$1.069
Rank
#78
Total Output Tokens
116,489
Response Time (avg)
11.89s
Total Cost
$0.673
Recommended model Muse Spark 1.1 (low)

It has the best score here (8.3), while costing about 1.6x less than Claude Sonnet 5.5 (xhigh).

Detailed comparison

Metric Claude Sonnet 5.5 Claude Sonnet 5.5 xhigh Release: 2026-09-29 Muse Spark 1.1 Muse Spark 1.1 low Release: 2026-07-16
Score 8.3 8.3
Rank #79 #78
Reliability 10.0 10.0
Consistency 8.7 8.5
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 78.8% 71.2%
Flaky tests 4 4
Total Runs 66 66
Cost per result 7.123 5.173
Total Cost $1.069 $0.673
Input Price $2.000 / 1M $1.250 / 1M
Output Price $10.000 / 1M $4.250 / 1M
Total Input Tokens 148,643 141,878
Output Tokens 9,700 11,033
Reasoning Tokens 67,405 105,456
Response Time (avg) 13.17s 11.89s
Response Time (max) 54.91s 54.15s
Response Time (total) 289.67s 261.69s
Parameters ~1T total (~100B active) ~1T total (~50B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#79 Claude Sonnet 5.5

xhigh
Cost
$0.319
Time
258.6s
Tokens
31,969 tok

#78 Muse Spark 1.1

low
Cost
$0.020
Time
39.2s
Tokens
4,947 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
Claude Sonnet 5.5 8.2 7.2 88.9% 1 11.90s 10,608 555 9,501
Muse Spark 1.1 10.0 10.0 100.0% 0 10.34s 8,562 394 14,503

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