Navigate
Advertise here

Mercury 2.5 Preview (medium) vs GLM 5.3 Flash (low)

Mercury 2.5 Preview (medium) leads on average score with 6.8 vs 6.6. GLM 5.3 Flash (low) has the lower benchmark cost at $0.038 vs $0.039. Mercury 2.5 Preview (medium) is faster at 6.66s vs 11.82s, with pass rates of 66.7% vs 58.0%.

Last updated at: 2026-10-09

Compared models

Rank
#183
Total Output Tokens
150,107
Response Time (avg)
6.66s
Total Cost
$0.039
Rank
#197
Total Output Tokens
27,168
Response Time (avg)
11.82s
Total Cost
$0.038
Recommended model Mercury 2.5 Preview (medium)

It has the best score here (6.8), while responding about 1.8x faster than GLM 5.3 Flash (low).

Detailed comparison

Metric Mercury 2.5 Preview Mercury 2.5 Preview medium Release: 2026-09-02 GLM 5.3 Flash GLM 5.3 Flash low Release: 2026-08-26
Score 6.8 6.6
Rank #183 #197
Reliability 10.0 10.0
Consistency 9.6 8.5
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 66.7% 58.0%
Flaky tests 1 4
Total Runs 69 69
Cost per result 0.244 0.338
Total Cost $0.039 $0.038
Input Price $0.040 / 1M $0.150 / 1M
Output Price $0.150 / 1M $0.500 / 1M
Cache Read Price N/A $0.030 / 1M
Cache Write Price N/A N/A
Total Input Tokens 397,291 255,173
Output Tokens 6,355 9,891
Reasoning Tokens 143,752 17,277
Response Time (avg) 6.66s 11.82s
Response Time (max) 74.63s 90.45s
Response Time (total) 153.29s 271.92s
Parameters ~100B 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.

#183 Mercury 2.5 Preview

medium
Cost
$0.001
Time
2.7s
Tokens
2,241 tok

#197 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
Mercury 2.5 Preview 7.8 10.0 66.7% 0 3.86s 7,839 552 22,126
GLM 5.3 Flash 5.4 7.2 44.4% 1 10.38s 7,317 398 3,973

Switch Comparison Pair