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Google: Gemini 3.5 Flash vs Google: Gemma 4 31B

Summary

Gemini 3.5 Flash vs Gemma 4 31B benchmark comparison: Gemini 3.5 Flash leads on average score with 9.8 vs 6.1. Gemma 4 31B has the lower benchmark cost at $0.004 vs $1.115. Gemma 4 31B is faster at 4.05s vs 8.84s, with pass rates of 96.8% vs 47.6%.

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 3.5 Flash Gemini 3.5 Flash high Release: 2026-05-19 Gemma 4 31B Gemma 4 31B none Release: 2026-04-02 Free Available
Score 9.8 6.1
Rank #1 #98
Reliability 10.0 10.0
Consistency 9.6 10.0
Tests Correct
Attempt pass rate 96.8% 47.6%
Flaky tests 1 0
Total Runs 63 63
Cost per result 5.575 0.034
Total Cost $1.115 $0.004
Input Price $1.500 / 1M $0.120 / 1M
Output Price $9.000 / 1M $0.350 / 1M
Total Input Tokens 37,594 20,911
Output Tokens 1,975 1,407
Reasoning Tokens 115,638 0
Response Time (avg) 8.84s 4.05s
Response Time (max) 34.82s 26.13s
Response Time (total) 185.57s 76.87s

Generation showcase

Hamster playing table tennis

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

#1 Gemini 3.5 Flash

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

#98 Gemma 4 31B

none
Cost
$0.001
Time
12.8s
Tokens
795 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 3.5 Flash 10.0 10.0 100.0% 0 2.57s 492 174 4,997
Gemma 4 31B 6.5 10.0 50.0% 0 1.85s 852 45 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 22.96s 8,118 456 47,129
Gemma 4 31B 5.5 10.0 33.3% 0 11.19s 8,381 735 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 22.37s 12,873 351 16,323
Gemma 4 31B 3.0 10.0 0.0% 0 0ms 0 0 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 6.43s 7,548 279 8,466
Gemma 4 31B 10.0 10.0 100.0% 0 2.25s 8,352 285 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 7.6 7.2 77.8% 1 14.09s 633 12 24,721
Gemma 4 31B 7.7 10.0 66.7% 0 3.22s 903 27 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.63s 486 115 1,650
Gemma 4 31B 10.0 10.0 100.0% 0 2.09s 576 117 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.35s 615 70 3,799
Gemma 4 31B 6.5 10.0 50.0% 0 2.84s 795 78 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.23s 558 241 4,940
Gemma 4 31B 6.5 10.0 33.3% 0 4.23s 828 108 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 9.8 10.0 100.0% 0 4.96s 6,115 265 1,608
Gemma 4 31B 3.0 10.0 0.0% 0 0ms 0 0 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.94s 156 12 2,005
Gemma 4 31B 3.0 10.0 0.0% 0 1.25s 224 12 0

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