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Google: Gemini 3.1 Pro Preview vs Gemini 3 PRO Preview

Last updated at: 2026-05-29

Metric Gemini 3.1 Pro Preview Gemini 3.1 Pro Preview medium Release: 2026-02-19 Gemini 3 PRO Preview Gemini 3 PRO Preview medium Release: 2025-11-18
Score 9.3 8.1
Rank #4 #22
Reliability 10.0 N/A
Consistency 10.0 10.0
Tests Correct
Attempt pass rate 90.0% 73.7%
Flaky tests 0 0
Total Runs 60 60
Cost per result 5.587 1.406
Total Cost $1.006 $0.197
Input Price $2.000 / 1M $0.000 / 1M
Output Price $12.000 / 1M $0.000 / 1M
Output Tokens 1,971 1,490
Reasoning Tokens 75,384 10,102
Response Time (avg) 20.77s 9.05s
Response Time (max) 88.68s 26.24s
Response Time (total) 269.96s 90.53s

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Score vs Total Cost

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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
Gemini 3 PRO Preview 10.0 10.0 100.0% 0 14.99s 149 1,485
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Pro Preview 7.0 9.8 50.0% 0 54.28s 429 37,735
Gemini 3 PRO Preview 3.0 10.0 0.0% 0 0ms 0 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
Gemini 3 PRO Preview 3.0 10.0 0.0% 0 10.37s 351 952
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
Gemini 3 PRO Preview 10.0 10.0 100.0% 0 10.84s 279 3,156
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
Gemini 3 PRO Preview 5.3 10.0 33.3% 0 7.01s 15 1,195
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
Gemini 3 PRO Preview 10.0 10.0 100.0% 0 9.34s 78 374
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
Gemini 3 PRO Preview 9.8 10.0 100.0% 0 3.26s 69 754
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 6.90s 235 3,128
Gemini 3 PRO Preview 10.0 10.0 100.0% 0 3.88s 225 1,215
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
Gemini 3 PRO Preview 10.0 10.0 100.0% 0 11.96s 324 971
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
Gemini 3 PRO Preview 0.0 0.0 0.0% 0 0ms 0 0

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