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Google: Gemini 2.5 Flash vs Z.ai: GLM 5.2

Summary

Gemini 2.5 Flash (medium) vs GLM 5.2 (high) benchmark comparison: Gemini 2.5 Flash (medium) leads on average score with 8.2 vs 8.0. Gemini 2.5 Flash (medium) has the lower benchmark cost at $0.379 vs $0.554. Gemini 2.5 Flash (medium) is faster at 15.49s vs 37.09s, with pass rates of 69.8% vs 77.8%.

Recommended model: Gemini 2.5 Flash (medium) - It has the best score here (8.2), while responding about 2.4x faster than GLM 5.2 (high).

Last updated at: 2026-07-10

Metric Gemini 2.5 Flash Gemini 2.5 Flash medium Release: 2025-06-17 GLM 5.2 GLM 5.2 high Release: 2026-06-17
Score 8.2 8.0
Rank #28 #32
Reliability 10.0 9.3
Consistency 9.6 7.6
Tests Correct
Attempt pass rate 69.8% 77.8%
Flaky tests 1 6
Total Runs 63 63
Cost per result 2.701 4.255
Total Cost $0.379 $0.554
Input Price $0.300 / 1M $0.770 / 1M
Output Price $2.500 / 1M $2.420 / 1M
Total Input Tokens 34,476 34,993
Output Tokens 1,930 51,575
Reasoning Tokens 145,145 166,065
Response Time (avg) 15.49s 37.09s
Response Time (max) 95.48s 180.69s
Response Time (total) 325.39s 778.91s

Generation showcase

Hamster playing table tennis

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

#28 Gemini 2.5 Flash

medium
Invalid SVG
Cost
$0.000
Time
274.0s
Tokens
0 tok

#32 GLM 5.2

high
Invalid SVG
Cost
$0.000
Time
300.0s
Tokens
0 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 2.5 Flash 8.4 10.0 75.0% 0 6.30s 492 255 10,233
GLM 5.2 10.0 10.0 100.0% 0 5.80s 639 406 2,660
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 2.5 Flash 7.8 10.0 66.7% 0 41.01s 6,669 543 32,303
GLM 5.2 6.4 4.4 77.8% 2 73.03s 5,124 2,302 22,546
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 2.5 Flash 10.0 10.0 100.0% 0 28.44s 12,522 303 11,922
GLM 5.2 10.0 10.0 100.0% 0 43.51s 12,696 711 4,267
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 2.5 Flash 10.0 10.0 100.0% 0 4.06s 7,257 279 2,325
GLM 5.2 10.0 10.0 100.0% 0 5.81s 7,143 435 1,414
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 2.5 Flash 5.9 7.2 55.6% 1 37.34s 633 18 80,702
GLM 5.2 3.5 4.4 33.3% 2 73.97s 551 46,693 90,566
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 2.5 Flash 4.8 10.0 0.0% 0 4.86s 486 92 1,899
GLM 5.2 10.0 10.0 100.0% 0 12.90s 498 63 1,743
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 2.5 Flash 9.8 10.0 100.0% 0 2.62s 615 69 1,203
GLM 5.2 10.0 10.0 100.0% 0 4.26s 678 151 1,210
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 2.5 Flash 7.7 10.0 66.7% 0 3.18s 558 126 2,499
GLM 5.2 6.0 4.6 66.7% 2 33.71s 665 568 22,392
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 2.5 Flash 10.0 10.0 100.0% 0 6.20s 5,088 234 1,140
GLM 5.2 10.0 10.0 100.0% 0 9.25s 6,861 246 503
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 2.5 Flash 3.0 10.0 0.0% 0 2.76s 156 11 919
GLM 5.2 3.0 10.0 0.0% 0 127.82s 138 0 18,764

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