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Ember-1 (max) vs GLM 5.3 Flash (low)

The average score is effectively tied at 6.7 vs 6.6. GLM 5.3 Flash (low) has the lower benchmark cost at $0.038 vs $3.264. GLM 5.3 Flash (low) is faster at 11.82s vs 97.34s, with pass rates of 59.4% vs 58.0%.

Last updated at: 2026-11-13

Compared models

Rank
#254
Total Output Tokens
186,901
Response Time (avg)
97.34s
Total Cost
$3.264
Rank
#258
Total Output Tokens
27,168
Response Time (avg)
11.82s
Total Cost
$0.038
Recommended model GLM 5.3 Flash (low)

It has the best score here (6.6), while costing about 87.9x less than Ember-1 (max).

Detailed comparison

Metric Ember-1 Ember-1 max Release: 2026-09-28 GLM 5.3 Flash GLM 5.3 Flash low Release: 2026-08-26
Score 6.7 6.6
Rank #254 #258
Reliability 8.3 10.0
Consistency 7.8 8.5
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 59.4% 58.0%
Flaky tests 6 4
Total Runs 69 69
Cost per result 29.671 0.338
Total Cost $3.264 $0.038
Input Price $3.000 / 1M $0.150 / 1M
Output Price $15.000 / 1M $0.500 / 1M
Cache Read Price $0.300 / 1M $0.030 / 1M
Cache Write Price N/A N/A
Total Input Tokens 153,399 255,173
Output Tokens 7,803 9,891
Reasoning Tokens 179,098 17,277
Response Time (avg) 97.34s 11.82s
Response Time (max) 587.08s 90.45s
Response Time (total) 2238.73s 271.92s
Parameters ~2.8T total (~104B active) 320B total (18B active)
Availability Closed Open source

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.

#254 Ember-1

max
Cost
$0.163
Time
229.4s
Tokens
11,002 tok

#258 GLM 5.3 Flash

low
Cost
$0.001
Time
20.7s
Tokens
1,482 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
Ember-1 5.2 4.4 55.6% 2 105.09s 3,362 1,149 27,957
GLM 5.3 Flash 5.4 7.2 44.4% 1 10.38s 7,317 398 3,973

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