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OpenAI: GPT-4o-mini vs StepFun: Step 3.5 Flash

Last updated at: 2026-04-11

Metric GPT-4o-mini GPT-4o-mini none Release: 2024-07-18 Step 3.5 Flash Step 3.5 Flash none Release: 2026-02-01
Score 4.9 3.0
Rank #83 #93
Consistency 9.9 10.0
Tests Correct
Attempt pass rate 22.2% 0.0%
Flaky tests 0 0
Total Runs 54 3
Cost per result 0.122 0.000
Total Cost $0.005 $0.000
Input Price $0.150 / 1M $0.100 / 1M
Output Price $0.600 / 1M $0.300 / 1M
Output Tokens 1,947 0
Reasoning Tokens 0 0
Response Time (avg) 2.00s 0ms
Response Time (max) 7.58s 0ms
Response Time (total) 21.99s 0ms

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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-4o-mini 4.8 10.0 25.0% 0 1.34s 186 0
Step 3.5 Flash - - - - - - - -
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-4o-mini 3.0 8.7 0.0% 0 2.55s 347 0
Step 3.5 Flash 3.0 10.0 0.0% 0 0ms 0 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-4o-mini 3.0 10.0 0.0% 0 7.58s 568 0
Step 3.5 Flash - - - - - - - -
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-4o-mini 10.0 10.0 100.0% 0 1.27s 183 0
Step 3.5 Flash - - - - - - - -
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-4o-mini 3.0 10.0 0.0% 0 637ms 15 0
Step 3.5 Flash - - - - - - - -
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-4o-mini 4.0 10.0 0.0% 0 909ms 66 0
Step 3.5 Flash - - - - - - - -
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-4o-mini 4.8 10.0 0.0% 0 1.27s 69 0
Step 3.5 Flash - - - - - - - -
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-4o-mini 3.7 10.0 0.0% 0 1.30s 308 0
Step 3.5 Flash - - - - - - - -
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-4o-mini 10.0 10.0 100.0% 0 2.51s 205 0
Step 3.5 Flash - - - - - - - -

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