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

Summary

gpt-oss-120b vs MiMo-V2.5 benchmark comparison: gpt-oss-120b leads on average score with 6.1 vs 4.9. MiMo-V2.5 has the lower benchmark cost at $0.007 vs $0.013. MiMo-V2.5 is faster at 2.20s vs 22.28s, with pass rates of 52.4% vs 27.0%.

Recommended model: MiMo-V2.5 - It offers the best overall trade-off: a competitive score (4.9), lower cost than gpt-oss-120b, and balanced response time.

Last updated at: 2026-06-04

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 6.1 4.9
Rank #99 #143
Reliability 10.0 10.0
Consistency 8.0 9.6
Tests Correct
Attempt pass rate 52.4% 27.0%
Flaky tests 5 1
Total Runs 63 63
Cost per result 0.141 0.413
Total Cost $0.013 $0.007
Input Price $0.039 / 1M $0.140 / 1M
Output Price $0.180 / 1M $0.280 / 1M
Total Input Tokens 39,084 41,985
Output Tokens 20,013 2,267
Reasoning Tokens 50,233 0
Response Time (avg) 22.28s 2.20s
Response Time (max) 68.16s 6.86s
Response Time (total) 311.96s 46.21s

Generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#99 gpt-oss-120b

medium
Cost
$0.001
Time
26.7s
Tokens
555 tok

#143 MiMo-V2.5

none
Cost
$0.007
Time
267.4s
Tokens
25,283 tok

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) Input Tokens Output Tokens Reasoning Tokens
gpt-oss-120b 6.7 9.9 50.0% 0 10.21s 1,314 3,518 2,177
MiMo-V2.5 3.5 8.0 16.7% 1 2.19s 645 282 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
gpt-oss-120b 5.9 7.0 55.6% 1 38.37s 7,782 3,365 11,973
MiMo-V2.5 5.5 10.0 33.3% 0 3.24s 7,440 696 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
gpt-oss-120b 10.0 10.0 100.0% 0 31.18s 11,535 694 5,072
MiMo-V2.5 3.0 10.0 0.0% 0 2.36s 15,075 330 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
gpt-oss-120b 6.4 5.9 66.7% 1 1.98s 7,476 241 1,114
MiMo-V2.5 6.5 10.0 50.0% 0 1.01s 7,758 366 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
gpt-oss-120b 2.9 4.4 22.2% 2 50.92s 1,266 6,784 20,606
MiMo-V2.5 3.0 10.0 0.0% 0 756ms 753 27 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
gpt-oss-120b 4.3 10.0 0.0% 0 7.90s 659 107 387
MiMo-V2.5 4.4 9.9 0.0% 0 6.86s 498 81 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
gpt-oss-120b 9.9 10.0 100.0% 0 7.63s 1,036 126 1,799
MiMo-V2.5 6.5 10.0 50.0% 0 751ms 684 72 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
gpt-oss-120b 5.3 7.2 44.4% 1 21.71s 1,190 1,790 2,264
MiMo-V2.5 5.4 10.0 33.3% 0 2.13s 678 166 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
gpt-oss-120b 9.8 10.0 100.0% 0 6.91s 6,514 287 1,083
MiMo-V2.5 10.0 10.0 100.0% 0 2.43s 8,238 231 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
gpt-oss-120b 3.0 10.0 0.0% 0 26.51s 312 3,101 3,758
MiMo-V2.5 3.0 10.0 0.0% 0 3.89s 216 16 0

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