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Muse Ember (low) vs GPT-5.2 (medium)

The average score is effectively tied at 8.6 vs 8.7. Muse Ember (low) has the lower benchmark cost at $0.114 vs $1.558. Muse Ember (low) is faster at 8.22s vs 31.29s, with pass rates of 72.5% vs 73.9%.

Last updated at: 2026-11-10

Compared models

Rank
#86
Total Output Tokens
169,226
Response Time (avg)
8.22s
Total Cost
$0.114
Rank
#80
Total Output Tokens
80,538
Response Time (avg)
31.29s
Total Cost
$1.558
Recommended model Muse Ember (low)

It has the best score here (8.6), while costing about 13.7x less than GPT-5.2 (medium).

Detailed comparison

Metric Muse Ember Muse Ember low Release: 2026-11-09 GPT-5.2 GPT-5.2 medium Release: 2025-12-11
Score 8.6 8.7
Rank #86 #80
Reliability 10.0 10.0
Consistency 8.9 8.5
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 72.5% 73.9%
Flaky tests 3 4
Total Runs 69 69
Cost per result 0.757 10.261
Total Cost $0.114 $1.558
Input Price $0.100 / 1M $1.750 / 1M
Output Price $0.500 / 1M $14.000 / 1M
Cache Read Price $0.004 / 1M $0.175 / 1M
Cache Write Price $0.125 / 1M N/A
Total Input Tokens 288,136 235,207
Output Tokens 13,507 11,065
Reasoning Tokens 155,719 69,473
Response Time (avg) 8.22s 31.29s
Response Time (max) 49.79s 116.86s
Response Time (total) 189.12s 531.98s
Parameters ~150B total (~10B active) ~1.2T total (~80B 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.

#86 Muse Ember

low
Cost
$0.003
Time
11.3s
Tokens
4,679 tok

#80 GPT-5.2

medium
Cost
$0.047
Time
49.2s
Tokens
3,396 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 Ember 10.0 10.0 100.0% 0 5.21s 7,410 765 15,944
GPT-5.2 10.0 10.0 100.0% 0 22.73s 7,302 511 11,912

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