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

Summary

Gemini 2.5 Flash vs GLM 5.2 benchmark comparison: Gemini 2.5 Flash leads on average score with 8.2 vs 7.1. GLM 5.2 has the lower benchmark cost at $0.076 vs $0.379. GLM 5.2 is faster at 6.34s vs 15.49s, with pass rates of 69.8% vs 60.3%.

Recommended model: GLM 5.2 - It offers the best overall trade-off: a competitive score (7.1), lower cost than Gemini 2.5 Flash, and balanced response time.

Last updated at: 2026-06-18

Metric Gemini 2.5 Flash Gemini 2.5 Flash medium Release: 2025-06-17 GLM 5.2 GLM 5.2 none Release: 2026-06-17
Score 8.2 7.1
Rank #24 #61
Reliability 10.0 9.9
Consistency 9.6 9.6
Tests Correct
Attempt pass rate 69.8% 60.3%
Flaky tests 1 1
Total Runs 63 63
Cost per result 2.701 0.628
Total Cost $0.379 $0.076
Input Price $0.300 / 1M $1.400 / 1M
Output Price $2.500 / 1M $4.400 / 1M
Total Input Tokens 34,476 38,671
Output Tokens 1,930 4,817
Reasoning Tokens 145,145 0
Response Time (avg) 15.49s 6.34s
Response Time (max) 95.48s 20.69s
Response Time (total) 325.39s 133.19s

Generation showcase

Hamster playing table tennis

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

#24 Gemini 2.5 Flash

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

#61 GLM 5.2

none
Invalid SVG
Cost
$0.033
Time
87.7s
Tokens
7,455 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 8.3 10.0 75.0% 0 3.70s 567 313 0
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 3.7 9.5 0.0% 0 7.55s 7,263 1,958 0
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 20.69s 14,296 1,489 0
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 7.17s 7,113 204 0
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 5.3 10.0 33.3% 0 6.50s 696 27 0
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 6.1 3.1 66.7% 1 4.42s 480 82 0
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 9.8 10.0 100.0% 0 3.84s 642 66 0
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 7.7 10.0 66.7% 0 3.31s 618 265 0
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 15.76s 6,807 400 0
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 3.41s 189 13 0

Quick Compare

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