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Inception: Mercury 2 vs xAI: Grok 4.20 Multi-Agent Beta

Last updated at: 2026-03-12

Metric Mercury 2 Mercury 2 none Release: 2026-02-24 Grok 4.20 Multi-Agent Beta Grok 4.20 Multi-Agent Beta medium Release: 2026-03-12
Rank #61 #47
Avg Score 3.4 4.9
Consistency 9.0 7.1
Cost per result 0.153 97.178
Total Cost $0.007 $4.859
Tests Correct
Attempt pass rate 31.3% 52.1%
Flaky tests 2 6
Total Runs 48 48
Output Tokens 1,303 293,634
Reasoning Tokens 0 291,260
Response Time (avg) 596ms 9.08s
Response Time (max) 1.27s 35.28s
Response Time (total) 9.54s 127.09s

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Avg 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
Mercury 2 10.0 10.0 0.0% 0 466ms 274 0
Grok 4.20 Multi-Agent Beta 4.0 4.4 66.7% 2 3.77s 28,392 27,808
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mercury 2 10.0 10.0 0.0% 0 606ms 131 0
Grok 4.20 Multi-Agent Beta 10.0 10.0 0.0% 0 0ms 0 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mercury 2 5.5 5.9 83.3% 1 667ms 180 0
Grok 4.20 Multi-Agent Beta 9.9 10.0 100.0% 0 5.54s 25,306 25,051
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mercury 2 4.0 7.2 44.4% 1 534ms 46 0
Grok 4.20 Multi-Agent Beta 10.0 7.2 11.1% 1 24.67s 164,609 163,647
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mercury 2 4.0 10.0 0.0% 0 628ms 159 0
Grok 4.20 Multi-Agent Beta 4.0 2.8 66.7% 1 6.40s 15,848 15,746
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mercury 2 5.5 10.0 50.0% 0 551ms 82 0
Grok 4.20 Multi-Agent Beta 9.0 10.0 50.0% 0 4.63s 25,457 25,322
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mercury 2 10.0 10.0 0.0% 0 533ms 234 0
Grok 4.20 Multi-Agent Beta 6.3 5.1 77.8% 2 5.01s 34,022 33,686
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mercury 2 10.0 10.0 100.0% 0 1.27s 197 0
Grok 4.20 Multi-Agent Beta 10.0 10.0 0.0% 0 0ms 0 0

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