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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 low Release: 2026-03-03 Gemini 3.1 Pro Preview Gemini 3.1 Pro Preview medium Release: 2026-02-19
Score 8.1 9.6
Rank #22 #2
Consistency 10.0 10.0
Tests Correct
Attempt pass rate 72.2% 94.4%
Flaky tests 0 0
Total Runs 54 54
Cost per result 0.168 3.400
Total Cost $0.022 $0.578
Input Price $0.250 / 1M $2.000 / 1M
Output Price $1.500 / 1M $12.000 / 1M
Output Tokens 2,247 1,932
Reasoning Tokens 8,058 40,542
Response Time (avg) 3.22s 15.96s
Response Time (max) 11.91s 40.61s
Response Time (total) 58.00s 175.52s

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 Flash Lite Preview 8.3 10.0 75.0% 0 2.12s 462 1,638
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 7.90s 112 3,218
Coding 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 2.20s 630 372
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 19.88s 405 4,201
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite Preview 3.0 10.0 0.0% 0 11.91s 225 762
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 3.00s 291 696
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 2.36s 18 1,212
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 4.0 10.0 0.0% 0 1.54s 69 384
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 10.0 10.0 100.0% 0 1.49s 72 753
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 10.0 10.0 100.0% 0 2.76s 243 1,248
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 9.54s 237 993
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 23.15s 274 982

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