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StepFun: Step 3.5 Flash vs Xiaomi: MiMo-V2-Pro

Last updated at: 2026-03-20

Metric Step 3.5 Flash Step 3.5 Flash medium Release: 2026-02-01 Free Available MiMo-V2-Pro MiMo-V2-Pro medium Release: 2026-03-18
Score 7.9 8.0
Rank #23 #20
Consistency 9.1 8.5
Tests Correct
Attempt pass rate 70.6% 76.5%
Flaky tests 2 3
Total Runs 49 45
Cost per result 0.000 1.110
Total Cost $0.000 $0.123
Input Price $0.100 / 1M $1.000 / 1M
Output Price $0.300 / 1M $3.000 / 1M
Output Tokens 71,904 1,875
Reasoning Tokens 155,607 26,959
Response Time (avg) 26.78s 9.78s
Response Time (max) 170.45s 64.71s
Response Time (total) 294.58s 156.45s

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Score vs Response Time (avg)

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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
Step 3.5 Flash 10.0 10.0 100.0% 0 13.56s 14,376 17,668
MiMo-V2-Pro 10.0 10.0 100.0% 0 3.06s 223 1,107
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Step 3.5 Flash 10.0 10.0 100.0% 0 29.57s 1,176 12,984
MiMo-V2-Pro 4.7 1.6 66.7% 1 64.71s 380 14,186
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Step 3.5 Flash 10.0 10.0 100.0% 0 15.01s 600 13,886
MiMo-V2-Pro 7.3 5.8 83.3% 1 17.20s 260 7,484
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Step 3.5 Flash 5.3 7.2 44.4% 1 170.45s 45,350 90,436
MiMo-V2-Pro 5.3 10.0 33.3% 0 6.00s 155 1,048
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Step 3.5 Flash 5.5 10.0 0.0% 0 6.54s 2,214 2,584
MiMo-V2-Pro 10.0 10.0 100.0% 0 4.06s 198 424
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Step 3.5 Flash 8.5 6.8 83.3% 1 4.98s 2,284 3,412
MiMo-V2-Pro 9.9 10.0 100.0% 0 3.36s 83 667
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Step 3.5 Flash 5.3 10.0 33.3% 0 7.72s 5,629 10,835
MiMo-V2-Pro 7.0 7.2 55.6% 1 4.71s 313 1,179
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Step 3.5 Flash 10.0 10.0 100.0% 0 11.91s 275 3,802
MiMo-V2-Pro 10.0 10.0 100.0% 0 8.19s 263 864

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