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Google: Gemini 3.1 Pro Preview vs Google: Gemma 4 31B

Last updated at: 2026-05-10

Metric Gemini 3.1 Pro Preview Gemini 3.1 Pro Preview medium Release: 2026-02-19 Gemma 4 31B Gemma 4 31B none Release: 2026-04-02 Free Available
Score 9.6 6.9
Rank #2 #66
Reliability 10.0 10.0
Consistency 10.0 10.0
Tests Correct
Attempt pass rate 94.7% 52.6%
Flaky tests 0 0
Total Runs 57 57
Cost per result 3.300 0.025
Total Cost $0.594 $0.003
Input Price $2.000 / 1M $0.130 / 1M
Output Price $12.000 / 1M $0.380 / 1M
Output Tokens 1,944 1,371
Reasoning Tokens 41,839 0
Response Time (avg) 15.15s 3.86s
Response Time (max) 40.61s 26.13s
Response Time (total) 181.78s 65.57s

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) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 7.90s 112 3,218
Gemma 4 31B 6.5 10.0 50.0% 0 1.85s 45 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 19.88s 405 4,201
Gemma 4 31B 10.0 10.0 100.0% 0 26.13s 699 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 9.5 10.0 100.0% 0 40.61s 432 9,281
Gemma 4 31B 3.0 10.0 0.0% 0 0ms 0 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 7.72s 279 3,904
Gemma 4 31B 10.0 10.0 100.0% 0 2.25s 285 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 7.7 10.0 66.7% 0 32.73s 18 12,424
Gemma 4 31B 7.7 10.0 66.7% 0 3.22s 27 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 11.77s 108 1,179
Gemma 4 31B 10.0 10.0 100.0% 0 2.09s 117 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 9.56s 72 2,236
Gemma 4 31B 6.5 10.0 50.0% 0 2.84s 78 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 7.15s 232 3,117
Gemma 4 31B 6.5 10.0 33.3% 0 2.95s 108 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 23.15s 274 982
Gemma 4 31B 3.0 10.0 0.0% 0 0ms 0 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 6.27s 12 1,297
Gemma 4 31B 3.0 10.0 0.0% 0 1.25s 12 0

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