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Inception: Mercury 2 vs Elephant Alpha

Last updated at: 2026-06-03

Metric Mercury 2 Mercury 2 none Release: 2026-02-24 Elephant Alpha Elephant Alpha medium Release: 2026-04-14
Score 4.6 5.3
Rank #153 #134
Reliability 10.0 N/A
Consistency 9.1 9.7
Tests Correct
Attempt pass rate 25.0% 31.7%
Flaky tests 2 1
Total Runs 60 60
Cost per result 0.216 0.000
Total Cost $0.009 $0.000
Input Price $0.250 / 1M $0.000 / 1M
Output Price $0.750 / 1M $0.000 / 1M
Total Input Tokens 25,515 33,744
Output Tokens 3,001 2,596
Reasoning Tokens 0 0
Response Time (avg) 614ms 1.27s
Response Time (max) 1.27s 3.70s
Response Time (total) 12.28s 22.82s

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Score vs Response Time (avg)

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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
Mercury 2 3.0 10.0 0.0% 0 483ms 631 286 0
Elephant Alpha 6.6 10.0 50.0% 0 1.19s 726 815 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Mercury 2 3.5 9.4 0.0% 0 831ms 4,631 1,650 0
Elephant Alpha 4.0 6.7 16.7% 1 1.30s 813 365 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Mercury 2 3.0 10.0 0.0% 0 606ms 4,821 131 0
Elephant Alpha 3.0 10.0 0.0% 0 3.70s 14,046 562 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Mercury 2 7.3 5.9 83.3% 1 667ms 6,362 180 0
Elephant Alpha 6.5 10.0 50.0% 0 979ms 8,004 246 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Mercury 2 5.3 7.2 44.4% 1 534ms 784 46 0
Elephant Alpha 3.0 10.0 0.0% 0 925ms 810 24 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Mercury 2 4.8 10.0 0.0% 0 628ms 495 159 0
Elephant Alpha 4.3 10.0 0.0% 0 920ms 540 105 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Mercury 2 6.5 10.0 50.0% 0 551ms 691 82 0
Elephant Alpha 9.8 10.0 100.0% 0 987ms 732 82 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Mercury 2 3.1 10.0 0.0% 0 535ms 694 251 0
Elephant Alpha 5.3 10.0 33.3% 0 868ms 729 166 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Mercury 2 10.0 10.0 100.0% 0 1.27s 6,193 197 0
Elephant Alpha 3.0 10.0 0.0% 0 2.83s 7,344 231 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Mercury 2 3.0 10.0 0.0% 0 548ms 213 19 0
Elephant Alpha 3.0 10.0 0.0% 0 0ms 0 0 0

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