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Google: Gemini 3 Flash Preview vs Inception: Mercury 2

Summary

Gemini 3 Flash Preview vs Mercury 2 benchmark comparison: Mercury 2 leads on average score with 7.5 vs 7.4. Mercury 2 has the lower benchmark cost at $0.058 vs $0.111. Mercury 2 is faster at 2.24s vs 5.76s, with pass rates of 79.4% vs 54.0%.

Recommended model: Gemini 3 Flash Preview - It has the best overall balance of score, reliability, cost, and response time in this comparison.

Last updated at: 2026-06-12

Metric Gemini 3 Flash Preview Gemini 3 Flash Preview low Release: 2025-12-17 Mercury 2 Mercury 2 medium Release: 2026-02-24
Score 7.4 7.5
Rank #53 #46
Reliability 10.0 10.0
Consistency 9.2 8.8
Tests Correct
Attempt pass rate 79.4% 54.0%
Flaky tests 2 3
Total Runs 63 63
Cost per result 0.689 0.578
Total Cost $0.111 $0.058
Input Price $0.500 / 1M $0.250 / 1M
Output Price $3.000 / 1M $0.750 / 1M
Total Input Tokens 36,769 35,116
Output Tokens 2,076 4,048
Reasoning Tokens 28,518 61,219
Response Time (avg) 5.76s 2.24s
Response Time (max) 14.72s 14.63s
Response Time (total) 120.93s 44.72s

Generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#53 Gemini 3 Flash Preview

low
Cost
$0.007
Time
12.1s
Tokens
2,289 tok

#46 Mercury 2

medium
Cost
$0.002
Time
2.1s
Tokens
1,702 tok

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) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 3.48s 500 281 3,082
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 5.8 7.2 44.4% 1 6.00s 8,122 456 7,421
Mercury 2 8.2 7.7 77.8% 1 2.04s 7,065 296 11,328
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 3.0 10.0 0.0% 0 3.27s 12,860 326 0
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 9.40s 7,261 279 3,656
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 5.3 7.2 44.4% 1 8.05s 645 12 6,410
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 3.68s 492 120 981
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 9.9 10.0 100.0% 0 7.02s 621 71 2,752
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 5.77s 562 288 3,168
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 4.99s 5,550 234 415
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 2.75s 156 9 633
Mercury 2 3.0 10.0 0.0% 0 2.58s 182 22 3,748

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