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

Last updated at: 2026-06-01

Metric Gemini 3.1 Flash Lite Preview Gemini 3.1 Flash Lite Preview high Release: 2026-03-03 Gemini 3.5 Flash Gemini 3.5 Flash high Release: 2026-05-19
Score 8.6 9.6
Rank #14 #2
Reliability N/A 10.0
Consistency 10.0 9.6
Tests Correct
Attempt pass rate 81.3% 96.7%
Flaky tests 0 1
Total Runs 48 60
Cost per result 17.763 5.231
Total Cost $2.310 $0.994
Input Price $0.250 / 1M $1.500 / 1M
Output Price $1.500 / 1M $9.000 / 1M
Output Tokens 1,283 1,969
Reasoning Tokens 1,533,310 102,679
Response Time (avg) 68.14s 8.30s
Response Time (max) 280.52s 34.82s
Response Time (total) 1090.28s 165.92s

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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 Flash Lite Preview 10.0 10.0 100.0% 0 43.87s 144 193,077
Gemini 3.5 Flash 10.0 10.0 100.0% 0 2.57s 174 4,997
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 10.0 10.0 100.0% 0 280.52s 335 380,440
Gemini 3.5 Flash 10.0 10.0 100.0% 0 22.37s 351 16,323
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 10.0 10.0 100.0% 0 7.16s 279 6,186
Gemini 3.5 Flash 10.0 10.0 100.0% 0 6.43s 279 8,466
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 5.3 10.0 33.3% 0 127.58s 18 566,202
Gemini 3.5 Flash 7.6 7.2 77.8% 1 14.09s 12 24,721
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 10.0 10.0 100.0% 0 5.25s 117 3,915
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.63s 115 1,650
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 9.8 10.0 100.0% 0 64.03s 69 190,053
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.35s 70 3,799
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 7.7 10.0 66.7% 0 46.68s 87 190,953
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.23s 241 4,940
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 10.0 10.0 100.0% 0 7.73s 234 2,484
Gemini 3.5 Flash 9.8 10.0 100.0% 0 4.96s 265 1,608
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview - - - - - - - -
Gemini 3.5 Flash 10.0 10.0 100.0% 0 24.62s 450 34,170
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview - - - - - - - -
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.94s 12 2,005

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