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OpenAI: gpt-oss-120b vs Xiaomi: MiMo-V2.5

Last updated at: 2026-04-22

Metric gpt-oss-120b gpt-oss-120b medium Release: 2025-08-05 Free Available MiMo-V2.5 MiMo-V2.5 none Release: 2026-04-22
Score 5.8 5.1
Rank #70 #92
Consistency 7.2 10.0
Tests Correct
Attempt pass rate 51.9% 27.8%
Flaky tests 6 0
Total Runs 54 54
Cost per result 0.144 0.368
Total Cost $0.011 $0.019
Input Price $0.000 / 1M $0.400 / 1M
Output Price $0.000 / 1M $2.000 / 1M
Output Tokens 13,493 2,177
Reasoning Tokens 36,879 0
Response Time (avg) 16.08s 1.05s
Response Time (max) 50.92s 2.43s
Response Time (total) 176.88s 18.94s

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Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
gpt-oss-120b 6.7 9.9 50.0% 0 10.21s 3,518 2,177
MiMo-V2.5 4.8 10.0 25.0% 0 842ms 232 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 26.33s 228 2,549
MiMo-V2.5 10.0 10.0 100.0% 0 1.95s 660 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
gpt-oss-120b 10.0 10.0 100.0% 0 31.18s 694 5,072
MiMo-V2.5 3.0 10.0 0.0% 0 2.36s 330 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
gpt-oss-120b 6.4 5.9 66.7% 1 1.98s 241 1,114
MiMo-V2.5 6.5 10.0 50.0% 0 1.01s 366 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
gpt-oss-120b 2.9 4.4 22.2% 2 50.92s 6,784 20,606
MiMo-V2.5 3.0 10.0 0.0% 0 756ms 27 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
gpt-oss-120b 4.3 10.0 0.0% 0 7.90s 107 387
MiMo-V2.5 4.6 10.0 0.0% 0 841ms 97 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
gpt-oss-120b 9.9 10.0 100.0% 0 7.63s 126 1,799
MiMo-V2.5 6.5 10.0 50.0% 0 751ms 72 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
gpt-oss-120b 3.2 4.7 22.2% 2 11.80s 1,508 2,092
MiMo-V2.5 3.4 10.0 0.0% 0 731ms 162 0
Tool Calling 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 6.91s 287 1,083
MiMo-V2.5 10.0 10.0 100.0% 0 2.43s 231 0

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