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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 9.2 vs 6.1. Gemini 3.1 Flash Lite has the lower benchmark cost at $0.013 vs $0.349. Gemini 3.1 Flash Lite is faster at 1.33s vs 3.27s, with pass rates of 54.0% vs 90.5%.

Recommended model: Gemini 3.5 Flash - It has the strongest score in this comparison (9.2) 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 minimal Release: 2026-05-08 Gemini 3.5 Flash Gemini 3.5 Flash low Release: 2026-05-19
Score 6.1 9.2
Rank #94 #5
Reliability 10.0 10.0
Consistency 8.8 10.0
Tests Correct
Attempt pass rate 54.0% 90.5%
Flaky tests 3 0
Total Runs 63 63
Cost per result 0.130 1.834
Total Cost $0.013 $0.349
Input Price $0.250 / 1M $1.500 / 1M
Output Price $1.500 / 1M $9.000 / 1M
Total Input Tokens 36,973 36,938
Output Tokens 2,487 2,033
Reasoning Tokens 0 30,519
Response Time (avg) 1.33s 3.27s
Response Time (max) 4.49s 9.05s
Response Time (total) 27.91s 68.65s

Generation showcase

Hamster playing table tennis

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

#94 Gemini 3.1 Flash Lite

minimal
Cost
$0.001
Time
3.7s
Tokens
635 tok

#5 Gemini 3.5 Flash

low
Cost
$0.068
Time
39.1s
Tokens
7,588 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 8.3 10.0 75.0% 0 1.10s 500 639 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 2.52s 494 209 2,536
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 831ms 8,126 666 0
Gemini 3.5 Flash 7.8 10.0 66.7% 0 6.71s 8,118 458 13,420
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 2.53s 12,870 357 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 6.44s 12,873 351 3,050
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 1.04s 7,552 279 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 1.81s 7,548 279 1,164
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 1.02s 641 15 0
Gemini 3.5 Flash 7.7 10.0 66.7% 0 3.39s 633 12 4,538
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 791ms 490 63 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 2.27s 486 119 916
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 932ms 615 72 0
Gemini 3.5 Flash 9.9 10.0 100.0% 0 1.86s 615 71 1,652
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 6.0 4.6 66.7% 2 2.15s 564 153 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 2.35s 558 288 2,150
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 3.51s 5,457 234 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.27s 5,457 234 403
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 724ms 158 9 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 1.88s 156 12 690

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