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GLM 5.2 (medium) vs GLM 5.3 FlashX Legal (high)

The average score is effectively tied at 8.2 vs 8.2. GLM 5.3 FlashX Legal (high) has the lower benchmark cost at $0.521 vs $1.007. GLM 5.2 (medium) is faster at 26.88s vs 35.19s, with pass rates of 81.2% vs 72.5%.

Last updated at: 2026-11-10

Compared models

Rank
#125
Total Output Tokens
81,020
Response Time (avg)
26.88s
Total Cost
$1.007
Rank
#127
Total Output Tokens
345,985
Response Time (avg)
35.19s
Total Cost
$0.521
Recommended model GLM 5.3 FlashX Legal (high)

It has the best score here (8.2), while costing about 1.9x less than GLM 5.2 (medium).

Detailed comparison

Metric GLM 5.2 GLM 5.2 medium Release: 2026-06-17 GLM 5.3 FlashX Legal GLM 5.3 FlashX Legal high Release: 2026-11-02
Score 8.2 8.2
Rank #125 #127
Reliability 9.6 9.7
Consistency 8.1 8.6
Attempts 66/69 69/69
Tests Correct
Attempt pass rate 81.2% 72.5%
Flaky tests 4 4
Total Runs 66 69
Cost per result 2.890 3.473
Total Cost $1.007 $0.521
Input Price $0.153 / 1M $0.370 / 1M
Output Price $12.000 / 1M $1.250 / 1M
Cache Read Price $0.150 / 1M $0.075 / 1M
Cache Write Price N/A N/A
Total Input Tokens 227,164 238,713
Output Tokens 20,029 7,034
Reasoning Tokens 60,991 338,951
Response Time (avg) 26.88s 35.19s
Response Time (max) 102.40s 298.81s
Response Time (total) 591.34s 809.47s
Parameters 744B total (40B active) ~320B total (~18B active)
Availability Open source 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.

#125 GLM 5.2

medium
Cost
$0.041
Time
195.8s
Tokens
9,287 tok

#127 GLM 5.3 FlashX Legal

high
Cost
$0.018
Time
103.8s
Tokens
13,703 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
GLM 5.2 8.2 7.2 88.9% 1 40.96s 7,317 1,475 17,123
GLM 5.3 FlashX Legal 8.2 7.2 88.9% 1 27.50s 7,317 397 31,799

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