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

Last updated at: 2026-06-03

Metric Gemini 3.1 Flash Lite Preview Gemini 3.1 Flash Lite Preview none Release: 2026-03-03 Step 3.5 Flash Step 3.5 Flash medium Release: 2026-02-01
Score 7.5 7.4
Rank #49 #55
Reliability 10.0 10.0
Consistency 9.7 9.4
Tests Correct
Attempt pass rate 63.3% 59.7%
Flaky tests 1 1
Total Runs 60 57
Cost per result 0.142 0.133
Total Cost $0.017 $0.062
Input Price $0.250 / 1M $0.090 / 1M
Output Price $1.500 / 1M $0.300 / 1M
Total Input Tokens 34,579 33,555
Output Tokens 5,541 90,478
Reasoning Tokens 0 173,544
Response Time (avg) 1.23s 43.20s
Response Time (max) 3.39s 170.45s
Response Time (total) 24.68s 561.54s

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Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 7.5 8.4 66.7% 1 1.04s 504 1,092 0
Step 3.5 Flash 10.0 10.0 100.0% 0 40.57s 694 20,391 24,176
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 6.8 10.0 50.0% 0 1.06s 5,125 664 0
Step 3.5 Flash 3.5 7.8 0.0% 0 62.83s 1,335 12,098 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 3.0 10.0 0.0% 0 3.20s 13,026 339 0
Step 3.5 Flash 10.0 10.0 100.0% 0 29.57s 13,638 1,176 12,984
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 10.0 10.0 100.0% 0 1.22s 7,550 399 0
Step 3.5 Flash 10.0 10.0 100.0% 0 15.01s 7,368 600 13,886
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 5.3 10.0 33.3% 0 942ms 641 568 0
Step 3.5 Flash 5.3 7.2 44.4% 1 170.45s 673 45,350 90,436
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 4.0 10.0 0.0% 0 741ms 488 69 0
Step 3.5 Flash 5.5 10.0 0.0% 0 22.39s 509 240 3,506
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 10.0 10.0 100.0% 0 1.13s 623 574 0
Step 3.5 Flash 8.3 10.0 50.0% 0 4.78s 705 2,364 3,521
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 10.0 10.0 100.0% 0 900ms 570 1,045 0
Step 3.5 Flash 5.3 10.0 33.3% 0 7.22s 711 5,630 10,861
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 10.0 10.0 100.0% 0 3.39s 5,894 782 0
Step 3.5 Flash 10.0 10.0 100.0% 0 11.91s 7,701 275 3,802
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 3.0 10.0 0.0% 0 814ms 158 9 0
Step 3.5 Flash 3.0 10.0 0.0% 0 108.45s 221 2,354 10,372

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