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OpenAI: GPT-5.5 vs Xiaomi: MiMo-V2.5

Summary

GPT-5.5 vs MiMo-V2.5 benchmark comparison: MiMo-V2.5 leads on average score with 6.7 vs 6.3. MiMo-V2.5 has the lower benchmark cost at $0.063 vs $0.231. GPT-5.5 is faster at 1.89s vs 27.11s, with pass rates of 54.0% vs 69.8%.

Recommended model: MiMo-V2.5 - It has the best score here (6.7), while costing about 3.7x less than GPT-5.5.

Last updated at: 2026-06-18

Metric GPT-5.5 GPT-5.5 none Release: 2026-04-24 MiMo-V2.5 MiMo-V2.5 medium Release: 2026-04-22
Score 6.3 6.7
Rank #90 #76
Reliability 10.0 10.0
Consistency 8.8 8.1
Tests Correct
Attempt pass rate 54.0% 69.8%
Flaky tests 3 5
Total Runs 63 63
Cost per result 2.302 2.966
Total Cost $0.231 $0.063
Input Price $5.000 / 1M $0.140 / 1M
Output Price $30.000 / 1M $0.280 / 1M
Total Input Tokens 34,212 41,838
Output Tokens 1,971 2,827
Reasoning Tokens 0 198,898
Response Time (avg) 1.89s 27.11s
Response Time (max) 5.56s 162.44s
Response Time (total) 39.64s 569.38s

Generation showcase

Hamster playing table tennis

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

#90 GPT-5.5

none
Cost
$0.090
Time
54.3s
Tokens
3,063 tok

#76 MiMo-V2.5

medium
Cost
$0.002
Time
54.8s
Tokens
5,247 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-5.5 6.9 7.9 66.7% 1 1.31s 606 213 0
MiMo-V2.5 10.0 10.0 100.0% 0 4.14s 621 281 1,739
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 5.5 10.0 33.3% 0 1.35s 7,305 462 0
MiMo-V2.5 6.2 4.7 66.7% 2 97.14s 7,422 557 81,977
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 3.0 10.0 0.0% 0 5.56s 11,019 300 0
MiMo-V2.5 10.0 10.0 100.0% 0 16.86s 15,060 363 7,609
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 1.18s 7,140 222 0
MiMo-V2.5 2.7 5.7 16.7% 1 6.33s 7,746 306 5,714
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 2.9 7.2 11.1% 1 1.31s 723 52 0
MiMo-V2.5 5.3 10.0 33.3% 0 34.53s 735 507 49,478
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 3.41s 477 124 0
MiMo-V2.5 5.4 2.5 66.7% 1 5.37s 492 121 418
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 6.2 5.8 66.7% 1 1.15s 660 81 0
MiMo-V2.5 9.9 10.0 100.0% 0 1.80s 672 88 801
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 7.7 10.0 66.7% 0 1.29s 642 252 0
MiMo-V2.5 8.2 7.2 88.9% 1 20.25s 660 279 33,254
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 3.90s 5,445 247 0
MiMo-V2.5 10.0 10.0 100.0% 0 7.29s 8,220 303 2,424
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-5.5 3.0 10.0 0.0% 0 5.01s 195 18 0
MiMo-V2.5 3.0 10.0 0.0% 0 51.29s 210 22 15,484

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