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

Last updated at: 2026-05-08

Metric GPT-5.5 GPT-5.5 medium Release: 2026-04-24 MiMo-V2.5-Pro MiMo-V2.5-Pro medium Release: 2026-04-22
Score 8.9 8.1
Rank #4 #18
Reliability 10.0 10.0
Consistency 9.1 9.2
Tests Correct
Attempt pass rate 87.7% 74.1%
Flaky tests 2 2
Total Runs 57 54
Cost per result 18.365 1.661
Total Cost $2.939 $0.200
Input Price $5.000 / 1M $1.000 / 1M
Output Price $30.000 / 1M $3.000 / 1M
Output Tokens 1,950 2,790
Reasoning Tokens 91,386 52,001
Response Time (avg) 33.02s 16.23s
Response Time (max) 332.10s 84.22s
Response Time (total) 627.45s 292.10s

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-5.5 10.0 10.0 100.0% 0 4.66s 250 1,335
MiMo-V2.5-Pro 10.0 10.0 100.0% 0 3.26s 323 1,179
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 9.09s 318 1,391
MiMo-V2.5-Pro 10.0 10.0 100.0% 0 32.58s 543 7,485
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 19.29s 312 2,841
MiMo-V2.5-Pro 10.0 10.0 100.0% 0 53.36s 348 11,870
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 4.18s 234 593
MiMo-V2.5-Pro 7.3 5.8 83.3% 1 18.81s 260 8,383
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.5 5.3 7.2 44.4% 1 164.14s 67 79,625
MiMo-V2.5-Pro 5.3 10.0 33.3% 0 37.87s 275 17,023
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 4.16s 138 223
MiMo-V2.5-Pro 5.5 10.0 0.0% 0 4.02s 155 163
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 3.36s 93 538
MiMo-V2.5-Pro 9.9 10.0 100.0% 0 2.77s 82 803
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 6.78s 250 2,254
MiMo-V2.5-Pro 6.7 7.9 55.6% 1 5.16s 493 2,187
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.5 10.0 10.0 100.0% 0 10.57s 258 832
MiMo-V2.5-Pro 10.0 10.0 100.0% 0 16.87s 311 2,908
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.5 2.8 1.6 33.3% 1 37.86s 30 1,754
MiMo-V2.5-Pro - - - - - - - -

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