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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 7.8. Gemini 3.1 Flash Lite has the lower benchmark cost at $0.071 vs $1.115. Gemini 3.1 Flash Lite is faster at 3.23s vs 8.84s, with pass rates of 65.1% 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 medium Release: 2026-05-08 Gemini 3.5 Flash Gemini 3.5 Flash high Release: 2026-05-19
Score 7.8 9.8
Rank #34 #1
Reliability 10.0 10.0
Consistency 9.2 9.6
Tests Correct
Attempt pass rate 65.1% 96.8%
Flaky tests 2 1
Total Runs 63 63
Cost per result 0.539 5.575
Total Cost $0.071 $1.115
Input Price $0.250 / 1M $1.500 / 1M
Output Price $1.500 / 1M $9.000 / 1M
Total Input Tokens 36,808 37,594
Output Tokens 2,254 1,975
Reasoning Tokens 38,300 115,638
Response Time (avg) 3.23s 8.84s
Response Time (max) 10.87s 34.82s
Response Time (total) 67.80s 185.57s

Generation showcase

Hamster playing table tennis

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

#34 Gemini 3.1 Flash Lite

medium
Cost
$0.003
Time
5.3s
Tokens
1,754 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 9.1 10.0 75.0% 0 2.39s 502 604 4,201
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 3.81s 8,134 459 8,978
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 10.0 10.0 100.0% 0 10.87s 12,873 327 7,401
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 2.60s 7,362 279 2,845
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 3.16s 643 15 5,165
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 10.0 10.0 100.0% 0 2.60s 488 84 1,142
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 9.9 10.0 100.0% 0 2.59s 623 75 3,320
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 7.6 7.2 77.8% 1 1.95s 568 165 2,450
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 4.55s 5,457 234 921
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 3.08s 158 12 1,877
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.94s 156 12 2,005

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