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xAI: Grok 4.5 vs Z.ai: GLM 5.2

Summary

Grok 4.5 (low) vs GLM 5.2 (medium) benchmark comparison: GLM 5.2 (medium) leads on average score with 8.7 vs 7.8. GLM 5.2 (medium) has the lower benchmark cost at $0.098 vs $0.760. Grok 4.5 (low) is faster at 15.48s vs 23.28s, with pass rates of 74.6% vs 84.1%.

Recommended model: GLM 5.2 (medium) - It has the best score here (8.7), while costing about 7.8x less than Grok 4.5 (low).

Last updated at: 2026-07-08

Metric Grok 4.5 Grok 4.5 low Release: 2026-07-08 GLM 5.2 GLM 5.2 medium Release: 2026-06-17
Score 7.8 8.7
Rank #34 #14
Reliability 10.0 9.5
Consistency 9.7 8.4
Tests Correct
Attempt pass rate 74.6% 84.1%
Flaky tests 1 4
Total Runs 63 63
Cost per result 5.061 2.159
Total Cost $0.760 $0.098
Input Price $2.000 / 1M $0.420 / 1M
Output Price $6.000 / 1M $1.320 / 1M
Total Input Tokens 58,652 37,199
Output Tokens 1,735 12,261
Reasoning Tokens 105,233 49,500
Response Time (avg) 15.48s 23.28s
Response Time (max) 205.28s 101.36s
Response Time (total) 324.98s 488.94s

Generation showcase

Hamster playing table tennis

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

#34 xAI: Grok 4.5

low
Cost
$0.011
Time
12.4s
Tokens
2,018 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 2.75s 2,991 261 3,000
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 10.0 10.0 100.0% 0 13.72s 9,579 303 15,641
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 3.0 10.0 0.0% 0 8.16s 15,084 261 2,370
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 3.44s 8,937 225 2,549
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 3.0 10.0 0.0% 0 72.64s 2,514 14 70,275
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 6.1 3.1 66.7% 1 4.88s 1,077 98 1,253
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 2.80s 1,857 57 1,878
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 3.20s 2,430 217 2,590
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 5.83s 13,394 284 871
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 13.98s 789 15 4,806
GLM 5.2 3.0 10.0 0.0% 0 34.25s 138 381 2,529

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