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Google: Gemini 3.1 Pro Preview vs xAI: Grok 4.20 Multi-Agent Beta

Last updated at: 2026-03-12

Metric Gemini 3.1 Pro Preview Gemini 3.1 Pro Preview medium Release: 2026-02-19 Grok 4.20 Multi-Agent Beta Grok 4.20 Multi-Agent Beta medium Release: 2026-03-12
Rank #2 #47
Avg Score 9.4 4.9
Consistency 10.0 7.1
Cost per result 3.417 97.178
Total Cost $0.513 $4.859
Tests Correct
Attempt pass rate 93.8% 52.1%
Flaky tests 0 6
Total Runs 48 48
Output Tokens 1,521 293,634
Reasoning Tokens 35,656 291,260
Response Time (avg) 16.60s 9.08s
Response Time (max) 40.61s 35.28s
Response Time (total) 149.36s 127.09s

Top Models by Score

Score vs Total Cost

Response Time (avg)

Avg Score vs Response Time (avg)

Total Output Tokens

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
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 9.52s 106 2,533
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
Gemini 3.1 Pro Preview 9.0 10.0 100.0% 0 40.61s 432 9,281
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
Gemini 3.1 Pro Preview 9.9 10.0 100.0% 0 7.72s 279 3,904
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
Gemini 3.1 Pro Preview 7.0 10.0 66.7% 0 32.73s 18 12,424
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
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 11.77s 108 1,179
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
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 9.56s 72 2,236
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
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 7.15s 232 3,117
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
Gemini 3.1 Pro Preview 10.0 10.0 100.0% 0 23.15s 274 982
Grok 4.20 Multi-Agent Beta 10.0 10.0 0.0% 0 0ms 0 0

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