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Google: Gemini 3.1 Flash Lite Preview vs Google: Gemini 3.1 Pro Preview

Last updated at: 2026-04-16

Metric Gemini 3.1 Flash Lite Preview Gemini 3.1 Flash Lite Preview high Release: 2026-03-03 Gemini 3.1 Pro Preview Gemini 3.1 Pro Preview medium Release: 2026-02-19
Score 8.4 9.6
Rank #11 #2
Consistency 9.6 10.0
Tests Correct
Attempt pass rate 77.1% 94.4%
Flaky tests 1 0
Total Runs 48 54
Cost per result 19.243 3.400
Total Cost $2.310 $0.578
Input Price $0.250 / 1M $2.000 / 1M
Output Price $1.500 / 1M $12.000 / 1M
Output Tokens 1,283 1,932
Reasoning Tokens 1,533,310 40,542
Response Time (avg) 68.83s 15.96s
Response Time (max) 280.52s 40.61s
Response Time (total) 1101.32s 175.52s

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Score vs Total Cost

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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 Flash Lite Preview 10.0 10.0 100.0% 0 43.87s 144 193,077
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 7.90s 112 3,218
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 10.0 10.0 100.0% 0 280.52s 335 380,440
Gemini 3.1 Pro Preview 9.5 10.0 100.0% 0 40.61s 432 9,281
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 10.0 10.0 100.0% 0 7.16s 279 6,186
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 7.72s 279 3,904
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 5.3 10.0 33.3% 0 127.58s 18 566,202
Gemini 3.1 Pro Preview 7.7 10.0 66.7% 0 32.73s 18 12,424
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 10.0 10.0 100.0% 0 5.25s 117 3,915
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 11.77s 108 1,179
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 7.9 6.9 66.7% 1 70.07s 69 190,053
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 9.56s 72 2,236
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 7.7 10.0 66.7% 0 46.33s 87 190,953
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 7.15s 232 3,117
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 10.0 10.0 100.0% 0 7.73s 234 2,484
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 23.15s 274 982
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview - - - - - - - -
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 19.88s 405 4,201

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