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Google: Gemini 3 Flash Preview vs Inception: Mercury 2

Last updated at: 2026-06-03

Metric Gemini 3 Flash Preview Gemini 3 Flash Preview medium Release: 2025-12-17 Mercury 2 Mercury 2 medium Release: 2026-02-24
Score 9.8 6.5
Rank #1 #89
Reliability 10.0 10.0
Consistency 9.6 8.8
Tests Correct
Attempt pass rate 98.3% 51.7%
Flaky tests 1 3
Total Runs 60 60
Cost per result 2.980 0.611
Total Cost $0.567 $0.055
Input Price $0.500 / 1M $0.250 / 1M
Output Price $3.000 / 1M $0.750 / 1M
Total Input Tokens 34,014 32,570
Output Tokens 2,000 4,022
Reasoning Tokens 181,033 58,405
Response Time (avg) 16.50s 2.27s
Response Time (max) 117.26s 14.63s
Response Time (total) 330.06s 43.20s

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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) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 3.88s 494 330 3,216
Mercury 2 6.9 9.9 50.0% 0 1.12s 554 2,546 2,609
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 7.9 6.4 83.3% 1 95.96s 5,119 456 127,964
Mercury 2 7.2 6.5 66.7% 1 2.29s 4,519 270 8,514
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 22.42s 12,873 351 10,485
Mercury 2 10.0 10.0 100.0% 0 3.28s 12,909 268 4,887
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 5.43s 7,548 279 4,893
Mercury 2 7.3 5.9 83.3% 1 1.11s 6,234 183 1,656
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 15.27s 633 12 21,684
Mercury 2 2.9 7.2 11.1% 1 6.48s 695 41 30,754
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 5.19s 486 72 1,905
Mercury 2 4.8 10.0 0.0% 0 821ms 456 137 542
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 4.04s 615 72 2,709
Mercury 2 10.0 10.0 100.0% 0 1.07s 340 14 958
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 4.05s 558 183 4,365
Mercury 2 5.4 10.0 33.3% 0 949ms 601 361 2,781
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 12.60s 5,532 234 1,487
Mercury 2 10.0 10.0 100.0% 0 1.89s 6,080 180 1,956
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 5.50s 156 11 2,325
Mercury 2 3.0 10.0 0.0% 0 2.58s 182 22 3,748

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