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Mistral: Mistral Small 4 vs OpenAI: GPT-5.4 Mini

Last updated at: 2026-04-29

Metric Mistral Small 4 Mistral Small 4 none Release: 2026-03-16 GPT-5.4 Mini GPT-5.4 Mini none Release: 2026-03-17
Score 5.2 5.1
Rank #109 #112
Reliability N/A N/A
Consistency 9.5 8.6
Tests Correct
Attempt pass rate 31.5% 35.2%
Flaky tests 1 3
Total Runs 54 54
Cost per result 0.118 0.630
Total Cost $0.006 $0.032
Input Price $0.150 / 1M $0.750 / 1M
Output Price $0.600 / 1M $4.500 / 1M
Output Tokens 2,207 2,418
Reasoning Tokens 0 0
Response Time (avg) 665ms 1.17s
Response Time (max) 1.72s 2.52s
Response Time (total) 11.97s 21.01s

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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
Mistral Small 4 3.4 7.9 16.7% 1 395ms 182 0
GPT-5.4 Mini 3.1 8.1 8.3% 1 929ms 654 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mistral Small 4 4.5 9.0 0.0% 0 1.28s 583 0
GPT-5.4 Mini 10.0 10.0 100.0% 0 1.19s 333 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mistral Small 4 3.0 10.0 0.0% 0 1.72s 496 0
GPT-5.4 Mini 3.0 10.0 0.0% 0 2.52s 298 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mistral Small 4 10.0 10.0 100.0% 0 822ms 261 0
GPT-5.4 Mini 10.0 10.0 100.0% 0 1.30s 222 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mistral Small 4 5.3 10.0 33.3% 0 367ms 28 0
GPT-5.4 Mini 3.5 4.4 33.3% 2 937ms 88 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mistral Small 4 4.0 10.0 0.0% 0 729ms 205 0
GPT-5.4 Mini 4.8 10.0 0.0% 0 1.82s 174 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mistral Small 4 6.5 10.0 50.0% 0 380ms 69 0
GPT-5.4 Mini 6.3 10.0 50.0% 0 728ms 101 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mistral Small 4 3.1 9.9 0.0% 0 589ms 170 0
GPT-5.4 Mini 5.4 10.0 33.3% 0 860ms 293 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Mistral Small 4 10.0 10.0 100.0% 0 1.40s 213 0
GPT-5.4 Mini 3.0 10.0 0.0% 0 2.32s 255 0

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