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Google: Gemini 3.1 Pro Preview vs Gemini 3 PRO Preview

Last updated at: 2026-04-14

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 9.6 8.4
Rank #2 #10
Consistency 10.0 10.0
Tests Correct
Attempt pass rate 94.4% 77.8%
Flaky tests 0 0
Total Runs 54 54
Cost per result 3.400 1.406
Total Cost $0.578 $0.197
Input Price $2.000 / 1M $0.000 / 1M
Output Price $12.000 / 1M $0.000 / 1M
Output Tokens 1,932 1,508
Reasoning Tokens 40,542 10,084
Response Time (avg) 15.96s 9.06s
Response Time (max) 40.61s 26.24s
Response Time (total) 175.52s 90.58s

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
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 10.0 10.0 100.0% 0 19.88s 405 4,201
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 7.15s 232 3,117
Gemini 3 PRO Preview 10.0 10.0 100.0% 0 3.91s 243 1,197
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

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