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Claude Sonnet 5.5 (high) vs Muse Ember (low)

The average score is effectively tied at 8.6 vs 8.6. Muse Ember (low) has the lower benchmark cost at $0.114 vs $1.175. Muse Ember (low) is faster at 8.22s vs 10.79s, with pass rates of 81.2% vs 72.5%.

Last updated at: 2026-11-10

Compared models

Rank
#93
Total Output Tokens
48,293
Response Time (avg)
10.79s
Total Cost
$1.175
Rank
#86
Total Output Tokens
169,226
Response Time (avg)
8.22s
Total Cost
$0.114
Recommended model Muse Ember (low)

It has the best score here (8.6), while costing about 10.4x less than Claude Sonnet 5.5 (high).

Detailed comparison

Metric Claude Sonnet 5.5 Claude Sonnet 5.5 high Release: 2026-09-29 Muse Ember Muse Ember low Release: 2026-11-09
Score 8.6 8.6
Rank #93 #86
Reliability 10.0 10.0
Consistency 8.3 8.9
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 81.2% 72.5%
Flaky tests 5 3
Total Runs 69 69
Cost per result 7.340 0.757
Total Cost $1.175 $0.114
Input Price $2.000 / 1M $0.100 / 1M
Output Price $10.000 / 1M $0.500 / 1M
Cache Read Price $0.200 / 1M $0.004 / 1M
Cache Write Price $2.500 / 1M $0.125 / 1M
Total Input Tokens 345,687 288,136
Output Tokens 13,550 13,507
Reasoning Tokens 34,743 155,719
Response Time (avg) 10.79s 8.22s
Response Time (max) 51.53s 49.79s
Response Time (total) 248.22s 189.12s
Parameters ~1T total (~100B active) ~150B total (~10B active)
Availability Closed Closed

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Model generation showcase

Hamster playing table tennis

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

#93 Claude Sonnet 5.5

high
Cost
$0.088
Time
73.5s
Tokens
8,914 tok

#86 Muse Ember

low
Cost
$0.003
Time
11.3s
Tokens
4,679 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 10.0 10.0 100.0% 0 9.85s 10,608 561 6,326
Muse Ember 10.0 10.0 100.0% 0 5.21s 7,410 765 15,944

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