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Gemini 3.5 Flash vs GLM 5.3 FlashX (high)

The average score is effectively tied at 6.9 vs 6.8. GLM 5.3 FlashX (high) has the lower benchmark cost at $0.135 vs $1.093. Gemini 3.5 Flash is faster at 10.18s vs 12.07s, with pass rates of 69.7% vs 68.2%.

Last updated at: 2026-09-21

Compared models

Rank
#159
Total Output Tokens
119,100
Response Time (avg)
10.18s
Total Cost
$1.093
Rank
#163
Total Output Tokens
83,899
Response Time (avg)
12.07s
Total Cost
$0.135
Recommended model GLM 5.3 FlashX (high)

It has the best score here (6.8), while costing about 8.1x less than Gemini 3.5 Flash.

Detailed comparison

Metric Gemini 3.5 Flash Gemini 3.5 Flash none Release: 2026-05-19 GLM 5.3 FlashX GLM 5.3 FlashX high Release: 2026-09-21
Score 6.9 6.8
Rank #159 #163
Reliability 10.0 10.0
Consistency 8.9 8.2
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 69.7% 68.2%
Flaky tests 3 5
Total Runs 66 66
Cost per result 7.805 1.125
Total Cost $1.093 $0.135
Input Price $1.500 / 1M $0.370 / 1M
Output Price $9.000 / 1M $1.250 / 1M
Total Input Tokens 13,852 81,365
Output Tokens 119,100 6,821
Reasoning Tokens 0 77,078
Response Time (avg) 10.18s 12.07s
Response Time (max) 64.36s 91.16s
Response Time (total) 183.29s 265.62s
Parameters ~500B total (~20B active) 320B total (18B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#159 Gemini 3.5 Flash

none
Cost
$0.225
Time
125.5s
Tokens
25,004 tok

#163 GLM 5.3 FlashX

high
Cost
$0.030
Time
169.4s
Tokens
23,950 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
Gemini 3.5 Flash 8.8 7.8 88.9% 1 34.69s 8,122 75,927 0
GLM 5.3 FlashX 8.2 7.2 88.9% 1 8.06s 7,317 374 9,267

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