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OpenAI: GPT-5.4 Mini vs xAI: Grok 4.20 Multi-Agent Beta

Last updated at: 2026-03-17

Metric GPT-5.4 Mini GPT-5.4 Mini none Release: 2026-03-17 Grok 4.20 Multi-Agent Beta Grok 4.20 Multi-Agent Beta medium Release: 2026-03-12
Rank #66 #44
Score 4.8 6.2
Consistency 8.6 7.2
Cost per result 0.737 82.962
Total Cost $0.030 $4.978
Tests Correct
Attempt pass rate 31.4% 54.9%
Flaky tests 3 6
Total Runs 51 51
Output Tokens 2,085 298,948
Reasoning Tokens 0 296,529
Response Time (avg) 1.17s 8.64s
Response Time (max) 2.52s 35.28s
Response Time (total) 19.82s 129.64s

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) Output Tokens Reasoning Tokens
GPT-5.4 Mini 3.1 8.1 8.3% 1 929ms 654 0
Grok 4.20 Multi-Agent Beta 6.9 5.8 75.0% 2 3.46s 33,706 33,077
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 Mini 3.0 10.0 0.0% 0 2.52s 298 0
Grok 4.20 Multi-Agent Beta 3.0 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
GPT-5.4 Mini 10.0 10.0 100.0% 0 1.30s 222 0
Grok 4.20 Multi-Agent Beta 10.0 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
GPT-5.4 Mini 3.5 4.4 33.3% 2 937ms 88 0
Grok 4.20 Multi-Agent Beta 2.9 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
GPT-5.4 Mini 4.8 10.0 0.0% 0 1.82s 174 0
Grok 4.20 Multi-Agent Beta 5.8 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
GPT-5.4 Mini 6.3 10.0 50.0% 0 728ms 101 0
Grok 4.20 Multi-Agent Beta 8.3 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
GPT-5.4 Mini 5.4 10.0 33.3% 0 860ms 293 0
Grok 4.20 Multi-Agent Beta 7.2 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
GPT-5.4 Mini 3.0 10.0 0.0% 0 2.32s 255 0
Grok 4.20 Multi-Agent Beta 3.0 10.0 0.0% 0 0ms 0 0

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