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OpenAI: GPT-5.4 Mini vs HY3 Preview

Last updated at: 2026-05-01

Metric GPT-5.4 Mini GPT-5.4 Mini none Release: 2026-03-17 HY3 Preview HY3 Preview high Release: 2026-04-22 Free Available
Score 5.1 8.6
Rank #117 #10
Reliability N/A N/A
Consistency 8.6 9.2
Tests Correct
Attempt pass rate 35.2% 83.3%
Flaky tests 3 2
Total Runs 54 50
Cost per result 0.630 0.000
Total Cost $0.032 $0.000
Input Price $0.750 / 1M $0.000 / 1M
Output Price $4.500 / 1M $0.000 / 1M
Output Tokens 2,418 238,920
Reasoning Tokens 0 0
Response Time (avg) 1.17s 55.19s
Response Time (max) 2.52s 149.94s
Response Time (total) 21.01s 938.23s

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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
GPT-5.4 Mini 3.1 8.1 8.3% 1 929ms 654 0
HY3 Preview 10.0 10.0 100.0% 0 32.69s 26,550 0
Coding 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 1.19s 333 0
HY3 Preview 10.0 10.0 100.0% 0 99.76s 38,167 0
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
HY3 Preview 10.0 10.0 100.0% 0 113.09s 31,319 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
HY3 Preview 6.5 10.0 50.0% 0 12.11s 4,323 0
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
HY3 Preview 5.3 7.2 44.4% 1 109.04s 87,559 0
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
HY3 Preview 10.0 10.0 100.0% 0 24.31s 5,490 0
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
HY3 Preview 9.9 10.0 100.0% 0 34.02s 13,331 0
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
HY3 Preview 9.0 7.9 88.9% 1 28.07s 21,811 0
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
HY3 Preview 10.0 10.0 100.0% 0 78.83s 10,370 0

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