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OpenAI: GPT-5.4 vs OpenAI: gpt-oss-120b

Last updated at: 2026-04-29

Metric GPT-5.4 GPT-5.4 none Release: 2026-03-05 gpt-oss-120b gpt-oss-120b medium Release: 2025-08-05 Free Available
Score 5.9 5.8
Rank #86 #88
Reliability N/A N/A
Consistency 9.1 7.2
Tests Correct
Attempt pass rate 42.6% 51.9%
Flaky tests 2 6
Total Runs 54 54
Cost per result 1.477 0.144
Total Cost $0.104 $0.011
Input Price $2.500 / 1M $0.000 / 1M
Output Price $15.000 / 1M $0.000 / 1M
Output Tokens 2,317 13,493
Reasoning Tokens 0 36,879
Response Time (avg) 1.51s 16.08s
Response Time (max) 2.95s 50.92s
Response Time (total) 27.21s 176.88s

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

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-5.4 3.2 8.0 8.3% 1 1.21s 406 0
gpt-oss-120b 6.7 9.9 50.0% 0 10.21s 3,518 2,177
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 10.0 10.0 100.0% 0 2.95s 480 0
gpt-oss-120b 4.3 1.1 66.7% 1 26.33s 228 2,549
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 3.0 10.0 0.0% 0 2.89s 291 0
gpt-oss-120b 10.0 10.0 100.0% 0 31.18s 694 5,072
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 10.0 10.0 100.0% 0 1.04s 222 0
gpt-oss-120b 6.4 5.9 66.7% 1 1.98s 241 1,114
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 5.3 7.2 44.4% 1 1.07s 50 0
gpt-oss-120b 2.9 4.4 22.2% 2 50.92s 6,784 20,606
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 4.4 9.9 0.0% 0 1.78s 184 0
gpt-oss-120b 4.3 10.0 0.0% 0 7.90s 107 387
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 6.5 10.0 50.0% 0 1.07s 81 0
gpt-oss-120b 9.9 10.0 100.0% 0 7.63s 126 1,799
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 5.6 9.8 33.3% 0 1.52s 357 0
gpt-oss-120b 3.2 4.7 22.2% 2 11.80s 1,508 2,092
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 10.0 10.0 100.0% 0 2.75s 246 0
gpt-oss-120b 9.8 10.0 100.0% 0 6.91s 287 1,083

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