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Google: Gemini 3.1 Flash Lite vs Google: Gemini 3 Flash Preview

Summary

Gemini 3.1 Flash Lite vs Gemini 3 Flash Preview benchmark comparison: Gemini 3 Flash Preview leads on average score with 9.6 vs 6.1. Gemini 3.1 Flash Lite has the lower benchmark cost at $0.013 vs $0.667. Gemini 3.1 Flash Lite is faster at 1.33s vs 18.64s, with pass rates of 54.0% vs 98.4%.

Recommended model: Gemini 3.1 Flash Lite - It offers the best overall trade-off: a competitive score (6.1), lower cost than Gemini 3 Flash Preview, and balanced response time.

Last updated at: 2026-06-18

Metric Gemini 3.1 Flash Lite Gemini 3.1 Flash Lite minimal Release: 2026-05-08 Gemini 3 Flash Preview Gemini 3 Flash Preview medium Release: 2025-12-17
Score 6.1 9.6
Rank #94 #2
Reliability 10.0 10.0
Consistency 8.8 9.7
Tests Correct
Attempt pass rate 54.0% 98.4%
Flaky tests 3 1
Total Runs 63 63
Cost per result 0.130 3.335
Total Cost $0.013 $0.667
Input Price $0.250 / 1M $0.500 / 1M
Output Price $1.500 / 1M $3.000 / 1M
Total Input Tokens 36,973 37,017
Output Tokens 2,487 2,006
Reasoning Tokens 0 214,153
Response Time (avg) 1.33s 18.64s
Response Time (max) 4.49s 117.26s
Response Time (total) 27.91s 391.35s

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

#2 Gemini 3 Flash Preview

medium
Cost
$0.010
Time
17.9s
Tokens
3,236 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 Flash Preview 10.0 10.0 100.0% 0 3.88s 494 330 3,216
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 Flash Preview 8.6 7.6 88.9% 1 84.40s 8,122 462 161,084
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 Flash Preview 10.0 10.0 100.0% 0 22.42s 12,873 351 10,485
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 Flash Preview 10.0 10.0 100.0% 0 5.43s 7,548 279 4,893
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 Flash Preview 10.0 10.0 100.0% 0 15.27s 633 12 21,684
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 Flash Preview 10.0 10.0 100.0% 0 5.19s 486 72 1,905
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 Flash Preview 10.0 10.0 100.0% 0 4.04s 615 72 2,709
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 Flash Preview 10.0 10.0 100.0% 0 4.05s 558 183 4,365
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 Flash Preview 10.0 10.0 100.0% 0 12.60s 5,532 234 1,487
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 Flash Preview 10.0 10.0 100.0% 0 5.50s 156 11 2,325

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