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

GPT-5.5 (low) leads on average score with 9.3 vs 6.5. MiMo-V2.5 (medium) has the lower benchmark cost at $0.082 vs $1.253. GPT-5.5 (low) is faster at 10.13s vs 32.20s, with pass rates of 86.4% vs 69.7%.

Recommended modelGPT-5.5 (low)It has the best score here (9.3), while responding about 3.2x faster than MiMo-V2.5 (medium).

Last updated at: 2026-07-21

Metric GPT-5.5 GPT-5.5 low Release: 2026-04-24 MiMo-V2.5 MiMo-V2.5 medium Release: 2026-04-22
Score 9.3 6.5
Rank #9 #107
Reliability 10.0 10.0
Consistency 10.0 7.9
Tests Correct
Attempt pass rate 86.4% 69.7%
Flaky tests 0 6
Total Runs 66 66
Cost per result 6.594 3.124
Total Cost $1.253 $0.082
Input Price $5.000 / 1M $0.140 / 1M
Output Price $30.000 / 1M $0.280 / 1M
Total Input Tokens 80,058 105,447
Output Tokens 5,378 7,120
Reasoning Tokens 23,040 230,682
Response Time (avg) 10.13s 32.20s
Response Time (max) 56.19s 162.44s
Response Time (total) 222.82s 708.46s

Hamster playing table tennis

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

#9 GPT-5.5

low
Cost
$0.068
Time
37.0s
Tokens
2,339 tok

#107 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

Coding 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 15.04s 7,302 423 6,402
MiMo-V2.5 6.2 4.7 66.7% 2 97.14s 7,422 557 81,977

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