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OpenAI: GPT-5.2 vs OpenAI: gpt-oss-120b

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

Summary

Metric OpenAI: GPT-5.2 medium Release: Unknown release date OpenAI: gpt-oss-120b medium Release: Unknown release date Free Available
Rank #12 #25
Score 6.93 5.64
Consistency 8.22 7.55
Cost per result 2.780 0.101
Total Cost $0.251 $0.008
Tests Correct
Wrong Tests 5 7
Attempt pass rate 76.2% 59.5%
Flaky tests 3 4
Output Tokens 1,869 11,407
Reasoning Tokens 14,190 26,106

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: GPT-5.2 7.00 7.28 77.8% 1 549 2,002
OpenAI: gpt-oss-120b 7.00 9.81 66.7% 0 3,463 2,077
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: GPT-5.2 10.00 10.00 100.0% 0 234 499
OpenAI: gpt-oss-120b 5.50 5.87 66.7% 1 241 1,114
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: GPT-5.2 4.00 7.21 55.6% 1 42 9,690
OpenAI: gpt-oss-120b 1.00 4.41 22.2% 2 6,018 18,520
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: GPT-5.2 9.50 10.00 100.0% 0 95 587
OpenAI: gpt-oss-120b 10.00 10.00 100.0% 0 120 1,770
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: GPT-5.2 8.00 10.00 66.7% 0 710 943
OpenAI: gpt-oss-120b 5.00 7.13 44.4% 1 1,278 1,542
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Output Tokens Reasoning Tokens
OpenAI: GPT-5.2 1.00 1.62 66.7% 1 239 469
OpenAI: gpt-oss-120b 9.00 9.97 100.0% 0 287 1,083

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