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OpenAI: GPT-5.6 Luna vs Xiaomi: MiMo-V2.5-Pro

MiMo-V2.5-Pro leads on average score with 5.5 vs 5.4. MiMo-V2.5-Pro has the lower benchmark cost at $0.068 vs $0.142. GPT-5.6 Luna is faster at 1.50s vs 4.12s, with pass rates of 34.9% vs 37.9%.

Recommended modelMiMo-V2.5-ProIt has the best score here (5.5), while costing about 2.1x less than GPT-5.6 Luna.

Last updated at: 2026-07-22

Metric GPT-5.6 Luna GPT-5.6 Luna none Release: 2026-07-09 MiMo-V2.5-Pro MiMo-V2.5-Pro none Release: 2026-04-22
Score 5.4 5.5
Rank #166 #160
Reliability 10.0 10.0
Consistency 8.8 8.6
Tests Correct
Attempt pass rate 34.9% 37.9%
Flaky tests 3 4
Total Runs 66 66
Cost per result 2.360 1.509
Total Cost $0.142 $0.068
Input Price $1.000 / 1M $0.435 / 1M
Output Price $6.000 / 1M $0.870 / 1M
Total Input Tokens 101,323 124,799
Output Tokens 6,709 15,362
Reasoning Tokens 0 0
Response Time (avg) 1.50s 4.12s
Response Time (max) 10.57s 53.13s
Response Time (total) 32.91s 90.55s

Hamster playing table tennis

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

#166 GPT-5.6 Luna

none
Cost
$0.016
Time
15.8s
Tokens
2,685 tok

#160 MiMo-V2.5-Pro

none
Cost
$0.004
Time
46.4s
Tokens
4,025 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-5.6 Luna 3.8 7.2 22.2% 1 980ms 7,302 459 0
MiMo-V2.5-Pro 4.3 7.8 22.2% 1 1.41s 6,559 485 0

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