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Google: Gemma 4 31B vs Inception: Mercury 2

Last updated at: 2026-04-02

Metric Gemma 4 31B Gemma 4 31B none Release: 2026-04-02 Mercury 2 Mercury 2 medium Release: 2026-02-24
Score 6.7 6.3
Rank #47 #51
Consistency 10.0 8.5
Tests Correct
Attempt pass rate 52.9% 51.0%
Flaky tests 0 3
Total Runs 51 51
Cost per result 0.023 0.634
Total Cost $0.002 $0.045
Input Price $0.140 / 1M $0.250 / 1M
Output Price $0.400 / 1M $0.750 / 1M
Output Tokens 660 3,723
Reasoning Tokens 0 46,120
Response Time (avg) 2.55s 2.25s
Response Time (max) 4.68s 14.63s
Response Time (total) 38.20s 35.99s

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Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemma 4 31B 6.5 10.0 50.0% 0 1.85s 45 0
Mercury 2 6.9 9.9 50.0% 0 1.12s 2,546 2,609
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemma 4 31B 3.0 10.0 0.0% 0 0ms 0 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
Gemma 4 31B 10.0 10.0 100.0% 0 2.25s 285 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
Gemma 4 31B 7.7 10.0 66.7% 0 3.22s 27 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
Gemma 4 31B 10.0 10.0 100.0% 0 2.09s 117 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
Gemma 4 31B 6.5 10.0 50.0% 0 2.84s 78 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
Gemma 4 31B 5.5 10.0 33.3% 0 2.95s 108 0
Mercury 2 3.9 7.5 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
Gemma 4 31B 3.0 10.0 0.0% 0 0ms 0 0
Mercury 2 10.0 10.0 100.0% 0 1.89s 180 1,956

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