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Google: Gemini 3.1 Pro Preview vs StepFun: Step 3.5 Flash

Last updated at: 2026-04-11

Metric Gemini 3.1 Pro Preview Gemini 3.1 Pro Preview medium Release: 2026-02-19 Step 3.5 Flash Step 3.5 Flash none Release: 2026-02-01
Score 9.6 3.0
Rank #2 #93
Consistency 10.0 10.0
Tests Correct
Attempt pass rate 94.4% 0.0%
Flaky tests 0 0
Total Runs 54 3
Cost per result 3.400 0.000
Total Cost $0.578 $0.000
Input Price $2.000 / 1M $0.100 / 1M
Output Price $12.000 / 1M $0.300 / 1M
Output Tokens 1,932 0
Reasoning Tokens 40,542 0
Response Time (avg) 15.96s 0ms
Response Time (max) 40.61s 0ms
Response Time (total) 175.52s 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
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 7.90s 112 3,218
Step 3.5 Flash - - - - - - - -
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 19.88s 405 4,201
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
Gemini 3.1 Pro Preview 9.5 10.0 100.0% 0 40.61s 432 9,281
Step 3.5 Flash - - - - - - - -
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 7.72s 279 3,904
Step 3.5 Flash - - - - - - - -
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 7.7 10.0 66.7% 0 32.73s 18 12,424
Step 3.5 Flash - - - - - - - -
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 11.77s 108 1,179
Step 3.5 Flash - - - - - - - -
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 9.56s 72 2,236
Step 3.5 Flash - - - - - - - -
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 7.15s 232 3,117
Step 3.5 Flash - - - - - - - -
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 23.15s 274 982
Step 3.5 Flash - - - - - - - -

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