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Google: Gemini 3.5 Flash vs Z.ai: GLM 5.2

Summary

Gemini 3.5 Flash vs GLM 5.2 benchmark comparison: Gemini 3.5 Flash leads on average score with 9.8 vs 8.7. GLM 5.2 has the lower benchmark cost at $0.324 vs $1.115. Gemini 3.5 Flash is faster at 8.84s vs 23.28s, with pass rates of 96.8% vs 84.1%.

Recommended model: Gemini 3.5 Flash - It has the best score here (9.8), while responding about 2.6x faster than GLM 5.2.

Last updated at: 2026-06-17

Metric Gemini 3.5 Flash Gemini 3.5 Flash high Release: 2026-05-19 GLM 5.2 GLM 5.2 medium Release: 2026-06-17
Score 9.8 8.7
Rank #1 #14
Reliability 10.0 9.5
Consistency 9.6 8.4
Tests Correct
Attempt pass rate 96.8% 84.1%
Flaky tests 1 4
Total Runs 63 63
Cost per result 5.575 2.159
Total Cost $1.115 $0.324
Input Price $1.500 / 1M $1.400 / 1M
Output Price $9.000 / 1M $4.400 / 1M
Total Input Tokens 37,594 37,199
Output Tokens 1,975 12,261
Reasoning Tokens 115,638 49,500
Response Time (avg) 8.84s 23.28s
Response Time (max) 34.82s 101.36s
Response Time (total) 185.57s 488.94s

Generation showcase

Hamster playing table tennis

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

#1 Gemini 3.5 Flash

high
Cost
$0.208
Time
118.2s
Tokens
23,158 tok

#14 GLM 5.2

medium
Cost
$0.041
Time
195.8s
Tokens
9,287 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

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 2.57s 492 174 4,997
GLM 5.2 10.0 10.0 100.0% 0 5.89s 639 497 2,634
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 22.96s 8,118 456 47,129
GLM 5.2 8.2 7.2 88.9% 1 40.96s 7,317 1,475 17,123
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 22.37s 12,873 351 16,323
GLM 5.2 10.0 10.0 100.0% 0 51.96s 12,696 458 4,531
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 6.43s 7,548 279 8,466
GLM 5.2 10.0 10.0 100.0% 0 13.44s 7,149 348 2,345
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 7.6 7.2 77.8% 1 14.09s 633 12 24,721
GLM 5.2 4.1 4.4 44.5% 2 45.47s 551 8,188 11,606
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.63s 486 115 1,650
GLM 5.2 10.0 10.0 100.0% 0 17.39s 498 54 1,842
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.35s 615 70 3,799
GLM 5.2 9.9 10.0 100.0% 0 7.90s 678 94 1,518
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.23s 558 241 4,940
GLM 5.2 8.2 7.2 88.9% 1 13.13s 672 536 4,822
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 9.8 10.0 100.0% 0 4.96s 6,115 265 1,608
GLM 5.2 10.0 10.0 100.0% 0 20.41s 6,861 230 550
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.94s 156 12 2,005
GLM 5.2 3.0 10.0 0.0% 0 34.25s 138 381 2,529

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