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xAI: Grok 4.20 vs Z.ai: GLM 5 Turbo

Last updated at: 2026-05-22

Metric Grok 4.20 Grok 4.20 none Release: 2026-03-31 GLM 5 Turbo GLM 5 Turbo none Release: 2026-03-15
Score 5.4 5.3
Rank #120 #125
Reliability N/A 10.0
Consistency 9.5 9.3
Tests Correct
Attempt pass rate 35.2% 33.3%
Flaky tests 1 2
Total Runs 54 60
Cost per result 1.574 0.602
Total Cost $0.095 $0.037
Input Price $1.250 / 1M $1.200 / 1M
Output Price $2.500 / 1M $4.000 / 1M
Output Tokens 1,967 1,809
Reasoning Tokens 0 0
Response Time (avg) 1.11s 2.83s
Response Time (max) 6.04s 8.21s
Response Time (total) 20.02s 56.58s

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Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Grok 4.20 4.8 10.0 25.0% 0 501ms 267 0
GLM 5 Turbo 3.0 10.0 0.0% 0 2.84s 382 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Grok 4.20 3.4 9.3 0.0% 0 1.22s 312 0
GLM 5 Turbo 4.4 6.7 16.7% 1 2.58s 523 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Grok 4.20 3.0 10.0 0.0% 0 6.04s 282 0
GLM 5 Turbo 3.0 10.0 0.0% 0 4.89s 144 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Grok 4.20 10.0 10.0 100.0% 0 522ms 207 0
GLM 5 Turbo 10.0 10.0 100.0% 0 2.47s 204 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Grok 4.20 3.0 10.0 0.0% 0 687ms 325 0
GLM 5 Turbo 5.3 10.0 33.3% 0 1.97s 25 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Grok 4.20 4.8 10.0 0.0% 0 659ms 83 0
GLM 5 Turbo 4.2 9.9 0.0% 0 2.18s 48 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Grok 4.20 6.3 10.0 50.0% 0 455ms 60 0
GLM 5 Turbo 6.5 10.0 50.0% 0 2.13s 65 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Grok 4.20 5.3 7.2 44.4% 1 487ms 242 0
GLM 5 Turbo 5.5 7.4 44.4% 1 2.43s 180 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Grok 4.20 10.0 10.0 100.0% 0 4.63s 189 0
GLM 5 Turbo 10.0 10.0 100.0% 0 8.21s 222 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Grok 4.20 - - - - - - - -
GLM 5 Turbo 3.0 10.0 0.0% 0 2.37s 16 0

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