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Google: Gemini 3.1 Flash Lite vs Inception: Mercury 2

Last updated at: 2026-05-08

Metric Gemini 3.1 Flash Lite Gemini 3.1 Flash Lite none Release: 2026-05-08 Mercury 2 Mercury 2 medium Release: 2026-02-24
Score 6.7 6.3
Rank #73 #80
Reliability 10.0 10.0
Consistency 8.4 8.7
Tests Correct
Attempt pass rate 57.9% 50.9%
Flaky tests 4 3
Total Runs 57 57
Cost per result 0.123 0.616
Total Cost $0.012 $0.050
Input Price $0.250 / 1M $0.250 / 1M
Output Price $1.500 / 1M $0.750 / 1M
Output Tokens 2,454 3,994
Reasoning Tokens 0 52,081
Response Time (avg) 1.11s 2.23s
Response Time (max) 2.97s 14.63s
Response Time (total) 21.13s 40.10s

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 7.5 8.4 66.7% 1 1.07s 639 0
Mercury 2 6.9 9.9 50.0% 0 1.12s 2,546 2,609
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 1.59s 636 0
Mercury 2 10.0 10.0 100.0% 0 1.53s 249 2,213
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 3.0 10.0 0.0% 0 2.73s 357 0
Mercury 2 10.0 10.0 100.0% 0 3.28s 268 4,887
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 10.0 10.0 100.0% 0 843ms 279 0
Mercury 2 7.3 5.9 83.3% 1 1.11s 183 1,656
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 2.9 7.2 11.1% 1 762ms 15 0
Mercury 2 2.9 7.2 11.1% 1 6.48s 41 30,754
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 4.0 10.0 0.0% 0 992ms 63 0
Mercury 2 4.8 10.0 0.0% 0 821ms 137 542
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 859ms 72 0
Mercury 2 10.0 10.0 100.0% 0 1.07s 14 958
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 6.3 4.8 66.7% 2 720ms 150 0
Mercury 2 3.8 7.3 22.2% 1 934ms 354 2,758
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 2.97s 234 0
Mercury 2 10.0 10.0 100.0% 0 1.89s 180 1,956
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3.1 Flash Lite 3.0 10.0 0.0% 0 733ms 9 0
Mercury 2 3.0 10.0 0.0% 0 2.58s 22 3,748

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