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OpenAI: gpt-oss-120b vs Z.ai: GLM 5.1

Last updated at: 2026-05-22

Metric gpt-oss-120b gpt-oss-120b none Release: 2025-08-05 Free Available GLM 5.1 GLM 5.1 none Release: 2026-04-07
Score 5.2 5.6
Rank #129 #113
Reliability 10.0 10.0
Consistency 8.7 8.1
Tests Correct
Attempt pass rate 36.8% 40.0%
Flaky tests 3 5
Total Runs 57 60
Cost per result 0.201 0.941
Total Cost $0.011 $0.057
Input Price $0.000 / 1M $0.980 / 1M
Output Price $0.000 / 1M $3.080 / 1M
Output Tokens 51,505 3,749
Reasoning Tokens 0 0
Response Time (avg) 21.86s 4.16s
Response Time (max) 113.71s 32.57s
Response Time (total) 349.78s 83.23s

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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-oss-120b 6.5 10.0 50.0% 0 32.84s 8,676 0
GLM 5.1 4.0 6.3 25.0% 2 2.11s 305 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
gpt-oss-120b 4.3 1.1 66.7% 1 9.57s 3,232 0
GLM 5.1 4.3 9.5 0.0% 0 6.33s 519 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
gpt-oss-120b 3.0 10.0 0.0% 0 0ms 0 0
GLM 5.1 2.8 2.1 33.3% 1 32.57s 2,129 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
gpt-oss-120b 6.5 10.0 50.0% 0 7.12s 598 0
GLM 5.1 10.0 10.0 100.0% 0 1.08s 204 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
gpt-oss-120b 3.0 10.0 0.0% 0 34.98s 29,483 0
GLM 5.1 2.9 7.2 11.1% 1 1.99s 24 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
gpt-oss-120b 4.8 10.0 0.0% 0 10.79s 615 0
GLM 5.1 5.0 10.0 0.0% 0 790ms 39 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
gpt-oss-120b 9.8 10.0 100.0% 0 5.10s 1,982 0
GLM 5.1 9.8 10.0 100.0% 0 1.58s 66 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
gpt-oss-120b 4.4 4.5 44.5% 2 9.51s 3,781 0
GLM 5.1 6.1 7.8 44.4% 1 1.48s 152 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
gpt-oss-120b 3.0 10.0 0.0% 0 0ms 0 0
GLM 5.1 10.0 10.0 100.0% 0 10.68s 300 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
gpt-oss-120b 3.0 10.0 0.0% 0 47.29s 3,138 0
GLM 5.1 3.0 10.0 0.0% 0 2.34s 11 0

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