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OpenAI: gpt-oss-120b vs Z.ai: GLM 5

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Last updated at : 2026-02-27 15:16

Summary

Metric OpenAI: gpt-oss-120b medium Release: Unknown release date Free Available Z.ai: GLM 5 medium Release: Unknown release date
Rank #25 #9
Score 5.64 7.29
Consistency 7.55 8.18
Cost per result 0.101 1.196
Total Cost $0.008 $0.120
Tests Correct
Wrong Tests 7 4
Attempt pass rate 59.5% 83.3%
Flaky tests 4 3
Output Tokens 11,407 15,923
Reasoning Tokens 26,106 42,557

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: gpt-oss-120b 7.00 9.81 66.7% 0 3,463 2,077
Z.ai: GLM 5 10.00 10.00 100.0% 0 420 4,992
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: gpt-oss-120b 5.50 5.87 66.7% 1 241 1,114
Z.ai: GLM 5 5.00 5.62 83.3% 1 567 3,734
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: gpt-oss-120b 1.00 4.41 22.2% 2 6,018 18,520
Z.ai: GLM 5 1.00 4.41 33.3% 2 14,404 24,570
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: gpt-oss-120b 10.00 10.00 100.0% 0 120 1,770
Z.ai: GLM 5 9.50 9.99 100.0% 0 140 2,740
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: gpt-oss-120b 5.00 7.13 44.4% 1 1,278 1,542
Z.ai: GLM 5 10.00 10.00 100.0% 0 159 5,527
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: gpt-oss-120b 9.00 9.97 100.0% 0 287 1,083
Z.ai: GLM 5 10.00 10.00 100.0% 0 233 994

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