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Google: Gemini 2.5 Flash vs Google: Gemma 4 31B

Summary

Gemini 2.5 Flash vs Gemma 4 31B benchmark comparison: Gemini 2.5 Flash leads on average score with 8.2 vs 6.3. Gemma 4 31B has the lower benchmark cost at $0.033 vs $0.379. Gemini 2.5 Flash is faster at 15.49s vs 56.55s, with pass rates of 69.8% vs 69.8%.

Recommended model: Gemini 2.5 Flash - It has the best score here (8.2), while responding about 3.6x faster than Gemma 4 31B.

Last updated at: 2026-06-18

Metric Gemini 2.5 Flash Gemini 2.5 Flash medium Release: 2025-06-17 Gemma 4 31B Gemma 4 31B medium Release: 2026-04-02 Free Available
Score 8.2 6.3
Rank #24 #88
Reliability 10.0 10.0
Consistency 9.6 9.4
Tests Correct
Attempt pass rate 69.8% 69.8%
Flaky tests 1 1
Total Runs 63 63
Cost per result 2.701 0.257
Total Cost $0.379 $0.033
Input Price $0.300 / 1M $0.120 / 1M
Output Price $2.500 / 1M $0.350 / 1M
Total Input Tokens 34,476 17,957
Output Tokens 1,930 22,356
Reasoning Tokens 145,145 65,726
Response Time (avg) 15.49s 56.55s
Response Time (max) 95.48s 437.40s
Response Time (total) 325.39s 1074.41s

Generation showcase

Hamster playing table tennis

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

#24 Gemini 2.5 Flash

medium
Invalid SVG
Cost
$0.000
Time
274.0s
Tokens
0 tok

#88 Gemma 4 31B

medium
Cost
$0.002
Time
45.7s
Tokens
2,696 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 2.5 Flash 8.4 10.0 75.0% 0 6.30s 492 255 10,233
Gemma 4 31B 10.0 10.0 100.0% 0 12.89s 816 962 2,046
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 2.5 Flash 7.8 10.0 66.7% 0 41.01s 6,669 543 32,303
Gemma 4 31B 4.3 5.8 22.2% 1 219.76s 5,568 11,098 33,212
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 2.5 Flash 10.0 10.0 100.0% 0 28.44s 12,522 303 11,922
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 2.5 Flash 10.0 10.0 100.0% 0 4.06s 7,257 279 2,325
Gemma 4 31B 10.0 10.0 100.0% 0 21.11s 8,334 1,822 2,951
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 2.5 Flash 5.9 7.2 55.6% 1 37.34s 633 18 80,702
Gemma 4 31B 7.7 10.0 66.7% 0 38.48s 876 4,349 8,985
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 2.5 Flash 4.8 10.0 0.0% 0 4.86s 486 92 1,899
Gemma 4 31B 10.0 10.0 100.0% 0 9.57s 567 105 888
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 2.5 Flash 9.8 10.0 100.0% 0 2.62s 615 69 1,203
Gemma 4 31B 10.0 10.0 100.0% 0 12.76s 777 533 2,035
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 2.5 Flash 7.7 10.0 66.7% 0 3.18s 558 126 2,499
Gemma 4 31B 9.9 10.0 100.0% 0 26.91s 801 1,795 5,595
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 2.5 Flash 10.0 10.0 100.0% 0 6.20s 5,088 234 1,140
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 2.5 Flash 3.0 10.0 0.0% 0 2.76s 156 11 919
Gemma 4 31B 3.0 10.0 0.0% 0 90.14s 218 1,692 10,014

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