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

Summary

Gemini 3.1 Flash Lite vs Gemini 3.5 Flash benchmark comparison: Gemini 3.5 Flash leads on average score with 9.8 vs 6.1. Gemini 3.1 Flash Lite has the lower benchmark cost at $0.013 vs $1.115. Gemini 3.1 Flash Lite is faster at 1.06s vs 8.84s, with pass rates of 52.4% vs 96.8%.

Recommended model: Gemini 3.5 Flash - It has the strongest score in this comparison (9.8) and the best overall balance of cost and response time across all 2 models.

Last updated at: 2026-06-18

Metric Gemini 3.1 Flash Lite Gemini 3.1 Flash Lite none Release: 2026-05-08 Gemini 3.5 Flash Gemini 3.5 Flash high Release: 2026-05-19
Score 6.1 9.8
Rank #96 #1
Reliability 10.0 10.0
Consistency 8.6 9.6
Tests Correct
Attempt pass rate 52.4% 96.8%
Flaky tests 4 1
Total Runs 63 63
Cost per result 0.144 5.575
Total Cost $0.013 $1.115
Input Price $0.250 / 1M $1.500 / 1M
Output Price $1.500 / 1M $9.000 / 1M
Total Input Tokens 36,710 37,594
Output Tokens 2,484 1,975
Reasoning Tokens 0 115,638
Response Time (avg) 1.06s 8.84s
Response Time (max) 2.97s 34.82s
Response Time (total) 22.35s 185.57s

Generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#96 Gemini 3.1 Flash Lite

none
Cost
$0.001
Time
4.5s
Tokens
727 tok

#1 Gemini 3.5 Flash

high
Cost
$0.208
Time
118.2s
Tokens
23,158 tok

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) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 7.5 8.4 66.7% 1 1.07s 506 639 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 2.57s 492 174 4,997
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 5.5 10.0 33.3% 0 938ms 8,128 666 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 22.96s 8,118 456 47,129
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 3.0 10.0 0.0% 0 2.73s 12,870 357 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 22.37s 12,873 351 16,323
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 10.0 10.0 100.0% 0 843ms 7,267 279 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 6.43s 7,548 279 8,466
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 2.9 7.2 11.1% 1 762ms 647 15 0
Gemini 3.5 Flash 7.6 7.2 77.8% 1 14.09s 633 12 24,721
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 4.0 10.0 0.0% 0 992ms 486 63 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.63s 486 115 1,650
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 10.0 10.0 100.0% 0 859ms 619 72 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.35s 615 70 3,799
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 6.3 4.8 66.7% 2 720ms 570 150 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.23s 558 241 4,940
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 10.0 10.0 100.0% 0 2.97s 5,457 234 0
Gemini 3.5 Flash 9.8 10.0 100.0% 0 4.96s 6,115 265 1,608
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 3.0 10.0 0.0% 0 733ms 160 9 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.94s 156 12 2,005

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