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xAI: Grok 4.20 Multi-Agent Beta vs Xiaomi: MiMo-V2-Omni

Last updated at: 2026-03-21

Metric Grok 4.20 Multi-Agent Beta Grok 4.20 Multi-Agent Beta medium Release: 2026-03-12 MiMo-V2-Omni MiMo-V2-Omni none Release: 2026-03-18
Score 6.2 6.4
Rank #47 #43
Consistency 7.2 10.0
Tests Correct
Attempt pass rate 54.9% 47.1%
Flaky tests 6 0
Total Runs 51 17
Cost per result 82.962 0.069
Total Cost $4.978 $0.006
Input Price $2.000 / 1M $0.400 / 1M
Output Price $6.000 / 1M $2.000 / 1M
Output Tokens 298,948 469
Reasoning Tokens 296,529 0
Response Time (avg) 8.64s 2.01s
Response Time (max) 35.28s 6.81s
Response Time (total) 129.64s 34.09s

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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
Grok 4.20 Multi-Agent Beta 6.9 5.8 75.0% 2 3.46s 33,706 33,077
MiMo-V2-Omni 4.8 10.0 25.0% 0 1.10s 74 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Grok 4.20 Multi-Agent Beta 3.0 10.0 0.0% 0 0ms 0 0
MiMo-V2-Omni 3.0 10.0 0.0% 0 2.47s 110 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Grok 4.20 Multi-Agent Beta 10.0 10.0 100.0% 0 5.54s 25,306 25,051
MiMo-V2-Omni 10.0 10.0 100.0% 0 1.69s 83 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Grok 4.20 Multi-Agent Beta 2.9 7.2 11.1% 1 24.67s 164,609 163,647
MiMo-V2-Omni 5.3 10.0 33.3% 0 1.14s 8 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Grok 4.20 Multi-Agent Beta 5.8 2.8 66.7% 1 6.40s 15,848 15,746
MiMo-V2-Omni 4.5 10.0 0.0% 0 1.19s 37 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Grok 4.20 Multi-Agent Beta 8.3 10.0 50.0% 0 4.63s 25,457 25,322
MiMo-V2-Omni 6.5 10.0 50.0% 0 4.18s 22 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Grok 4.20 Multi-Agent Beta 7.2 5.1 77.8% 2 5.01s 34,022 33,686
MiMo-V2-Omni 8.0 10.0 66.7% 0 2.71s 58 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Grok 4.20 Multi-Agent Beta 3.0 10.0 0.0% 0 0ms 0 0
MiMo-V2-Omni 10.0 10.0 100.0% 0 2.76s 77 0

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