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OpenAI: GPT-5.2 Chat vs Xiaomi: MiMo-V2.5

Last updated at: 2026-04-22

Metric GPT-5.2 Chat GPT-5.2 Chat none Release: 2025-12-11 MiMo-V2.5 MiMo-V2.5 medium Release: 2026-04-22
Score 7.9 7.8
Rank #29 #35
Consistency 8.7 8.6
Tests Correct
Attempt pass rate 75.9% 74.1%
Flaky tests 3 3
Total Runs 54 54
Cost per result 2.424 2.102
Total Cost $0.291 $0.253
Input Price $1.750 / 1M $0.400 / 1M
Output Price $14.000 / 1M $2.000 / 1M
Output Tokens 17,346 2,840
Reasoning Tokens 0 116,242
Response Time (avg) 6.84s 13.71s
Response Time (max) 38.52s 86.93s
Response Time (total) 123.17s 246.73s

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Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.2 Chat 8.7 7.9 91.7% 1 3.40s 1,807 0
MiMo-V2.5 10.0 10.0 100.0% 0 1.98s 303 2,022
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.2 Chat 10.0 10.0 100.0% 0 8.97s 1,345 0
MiMo-V2.5 10.0 10.0 100.0% 0 31.48s 488 14,813
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.2 Chat 10.0 10.0 100.0% 0 9.12s 1,243 0
MiMo-V2.5 10.0 10.0 100.0% 0 16.86s 363 7,609
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.2 Chat 10.0 10.0 100.0% 0 3.05s 980 0
MiMo-V2.5 2.7 5.7 16.7% 1 6.33s 306 5,714
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.2 Chat 5.3 10.0 33.3% 0 17.78s 7,810 0
MiMo-V2.5 5.3 10.0 33.3% 0 34.53s 507 49,478
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.2 Chat 4.4 3.0 33.3% 1 3.20s 335 0
MiMo-V2.5 3.8 2.5 33.3% 1 1.55s 118 170
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.2 Chat 7.5 6.1 83.3% 1 5.46s 1,528 0
MiMo-V2.5 9.9 10.0 100.0% 0 1.80s 88 801
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.2 Chat 7.7 10.0 66.7% 0 4.42s 1,743 0
MiMo-V2.5 8.2 7.2 88.9% 1 20.60s 364 33,211
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.2 Chat 10.0 10.0 100.0% 0 4.68s 555 0
MiMo-V2.5 10.0 10.0 100.0% 0 7.29s 303 2,424

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