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xAI: Grok 4.5 vs Z.ai: GLM 5.2

Summary

Grok 4.5 (medium) vs GLM 5.2 (medium) benchmark comparison: GLM 5.2 (medium) leads on average score with 8.7 vs 8.3. GLM 5.2 (medium) has the lower benchmark cost at $0.098 vs $1.696. GLM 5.2 (medium) is faster at 23.28s vs 62.63s, with pass rates of 77.8% vs 84.1%.

Recommended model: GLM 5.2 (medium) - It has the best score here (8.7), while costing about 17.5x less than Grok 4.5 (medium).

Last updated at: 2026-07-08

Metric Grok 4.5 Grok 4.5 medium Release: 2026-07-08 GLM 5.2 GLM 5.2 medium Release: 2026-06-17
Score 8.3 8.7
Rank #23 #14
Reliability 9.9 9.5
Consistency 8.9 8.4
Tests Correct
Attempt pass rate 77.8% 84.1%
Flaky tests 3 4
Total Runs 63 63
Cost per result 11.304 2.159
Total Cost $1.696 $0.098
Input Price $2.000 / 1M $0.420 / 1M
Output Price $6.000 / 1M $1.320 / 1M
Total Input Tokens 53,500 37,199
Output Tokens 1,621 12,261
Reasoning Tokens 263,127 49,500
Response Time (avg) 62.63s 23.28s
Response Time (max) 436.38s 101.36s
Response Time (total) 1315.20s 488.94s

Generation showcase

Hamster playing table tennis

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

#23 xAI: Grok 4.5

medium
Cost
$0.044
Time
59.4s
Tokens
7,512 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
Grok 4.5 10.0 10.0 100.0% 0 23.50s 2,991 147 4,018
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
Grok 4.5 7.6 7.2 77.8% 1 155.69s 9,579 390 104,634
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
Grok 4.5 10.0 10.0 100.0% 0 15.65s 15,084 261 4,254
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
Grok 4.5 10.0 10.0 100.0% 0 6.29s 8,937 225 3,657
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
Grok 4.5 2.9 7.2 11.1% 1 198.89s 2,212 11 121,922
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
Grok 4.5 6.5 3.4 66.7% 1 12.84s 1,077 71 2,384
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
Grok 4.5 9.8 10.0 100.0% 0 6.06s 1,857 57 2,728
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
Grok 4.5 10.0 10.0 100.0% 0 7.75s 2,430 254 3,641
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
Grok 4.5 10.0 10.0 100.0% 0 6.57s 8,544 192 968
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
Grok 4.5 3.0 10.0 0.0% 0 74.44s 789 13 14,921
GLM 5.2 3.0 10.0 0.0% 0 34.25s 138 381 2,529

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