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OpenAI: GPT-5.4 Mini vs xAI: Grok 4.1 Fast

Last updated at: 2026-03-17

Metric GPT-5.4 Mini GPT-5.4 Mini none Release: 2026-03-17 Grok 4.1 Fast Grok 4.1 Fast medium Release: 2025-11-19
Rank #66 #36
Score 4.8 6.9
Consistency 8.6 7.5
Cost per result 0.737 0.568
Total Cost $0.030 $0.052
Tests Correct
Attempt pass rate 31.4% 66.7%
Flaky tests 3 5
Total Runs 51 51
Output Tokens 2,085 1,189
Reasoning Tokens 0 84,595
Response Time (avg) 1.17s 23.91s
Response Time (max) 2.52s 121.79s
Response Time (total) 19.82s 239.09s

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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) Output Tokens Reasoning Tokens
GPT-5.4 Mini 3.1 8.1 8.3% 1 929ms 654 0
Grok 4.1 Fast 8.7 7.9 91.7% 1 3.81s 108 4,741
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 4.1 Fast 10.0 10.0 100.0% 0 37.64s 261 12,272
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 4.1 Fast 10.0 10.0 100.0% 0 6.63s 180 5,409
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 4.1 Fast 5.8 4.4 66.7% 2 121.79s 11 37,657
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 4.1 Fast 4.2 9.9 0.0% 0 16.25s 127 3,456
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 4.1 Fast 6.6 10.0 50.0% 0 5.30s 55 3,489
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 4.1 Fast 5.3 7.2 44.4% 1 8.08s 187 6,086
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 4.1 Fast 2.8 1.6 33.3% 1 27.71s 260 11,485

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