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OpenAI: GPT-5.2 vs Z.ai: GLM 5

Last updated at: 2026-04-14

Metric GPT-5.2 GPT-5.2 medium Release: 2025-12-11 GLM 5 GLM 5 none Release: 2026-02-12
Score 7.5 6.6
Rank #37 #50
Consistency 8.1 9.6
Tests Correct
Attempt pass rate 72.2% 51.9%
Flaky tests 4 1
Total Runs 54 54
Cost per result 3.193 0.217
Total Cost $0.352 $0.020
Input Price $1.750 / 1M $0.720 / 1M
Output Price $14.000 / 1M $2.300 / 1M
Output Tokens 2,705 1,959
Reasoning Tokens 18,977 0
Response Time (avg) 14.04s 4.23s
Response Time (max) 77.80s 11.07s
Response Time (total) 154.41s 46.51s

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Score vs Total Output Tokens

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.2 6.5 8.0 58.3% 1 7.81s 567 2,002
GLM 5 4.8 10.0 25.0% 0 2.37s 275 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.2 10.0 10.0 100.0% 0 15.12s 467 2,166
GLM 5 5.6 3.5 33.3% 1 8.84s 408 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.2 10.0 10.0 100.0% 0 14.06s 291 1,757
GLM 5 3.0 10.0 0.0% 0 4.98s 406 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.2 10.0 10.0 100.0% 0 3.15s 234 420
GLM 5 10.0 10.0 100.0% 0 5.78s 203 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.2 5.9 7.2 55.6% 1 77.80s 42 10,342
GLM 5 3.0 10.0 0.0% 0 2.24s 19 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.2 3.7 9.7 0.0% 0 4.32s 162 269
GLM 5 10.0 10.0 100.0% 0 3.27s 103 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.2 9.9 10.0 100.0% 0 3.12s 94 614
GLM 5 10.0 10.0 100.0% 0 1.48s 61 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.2 7.7 7.3 77.8% 1 5.47s 609 938
GLM 5 7.7 10.0 66.7% 0 2.05s 264 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.2 4.7 1.6 66.7% 1 10.30s 239 469
GLM 5 10.0 10.0 100.0% 0 11.07s 220 0

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