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Mistral: Mistral Small 4 vs StepFun: Step 3.5 Flash

Last updated at: 2026-03-17

Metric Mistral Small 4 Mistral Small 4 medium Release: 2026-03-16 Step 3.5 Flash Step 3.5 Flash medium Release: 2026-02-01 Free Available
Rank #55 #22
Score 5.6 7.9
Consistency 7.0 9.1
Cost per result 0.502 0.000
Total Cost $0.026 $0.000
Tests Correct
Attempt pass rate 49.0% 70.6%
Flaky tests 6 2
Total Runs 51 49
Output Tokens 12,288 71,904
Reasoning Tokens 28,112 155,607
Response Time (avg) 4.18s 26.78s
Response Time (max) 25.25s 170.45s
Response Time (total) 71.03s 294.58s

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
Mistral Small 4 5.6 3.8 66.7% 3 2.67s 4,055 4,778
Step 3.5 Flash 10.0 10.0 100.0% 0 13.56s 14,376 17,668
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mistral Small 4 3.0 10.0 0.0% 0 25.25s 2,612 10,700
Step 3.5 Flash 10.0 10.0 100.0% 0 29.57s 1,176 12,984
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mistral Small 4 7.3 5.9 83.3% 1 1.23s 335 723
Step 3.5 Flash 10.0 10.0 100.0% 0 15.01s 600 13,886
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mistral Small 4 5.3 7.2 44.4% 1 6.11s 2,621 6,904
Step 3.5 Flash 5.3 7.2 44.4% 1 170.45s 45,350 90,436
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mistral Small 4 4.8 10.0 0.0% 0 2.05s 821 828
Step 3.5 Flash 5.5 10.0 0.0% 0 6.54s 2,214 2,584
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mistral Small 4 7.3 5.8 83.3% 1 1.38s 540 1,031
Step 3.5 Flash 8.5 6.8 83.3% 1 4.98s 2,284 3,412
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mistral Small 4 3.4 9.7 0.0% 0 2.00s 983 2,338
Step 3.5 Flash 5.3 10.0 33.3% 0 7.72s 5,629 10,835
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mistral Small 4 10.0 10.0 100.0% 0 3.50s 321 810
Step 3.5 Flash 10.0 10.0 100.0% 0 11.91s 275 3,802

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