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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 medium Release: 2026-03-17 HY3 Preview HY3 Preview high Release: 2026-04-22 Free Available
Score 7.3 8.6
Rank #58 #10
Reliability N/A N/A
Consistency 7.4 9.2
Tests Correct
Attempt pass rate 70.4% 83.3%
Flaky tests 6 2
Total Runs 54 50
Cost per result 3.313 0.000
Total Cost $0.299 $0.000
Input Price $0.750 / 1M $0.000 / 1M
Output Price $4.500 / 1M $0.000 / 1M
Output Tokens 2,131 238,920
Reasoning Tokens 59,567 0
Response Time (avg) 15.22s 55.19s
Response Time (max) 102.91s 149.94s
Response Time (total) 273.90s 938.23s

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 8.6 7.9 91.7% 1 4.05s 296 2,876
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 7.76s 423 1,548
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 10.0 10.0 100.0% 0 17.81s 317 4,317
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 2.43s 234 650
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 4.1 4.4 44.5% 2 65.31s 60 43,286
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 4.5 10.0 0.0% 0 3.72s 150 510
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 7.4 6.7 66.7% 1 2.50s 129 1,337
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 6.8 7.9 55.6% 1 4.33s 271 2,449
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 4.7 1.6 66.7% 1 9.62s 251 2,594
HY3 Preview 10.0 10.0 100.0% 0 78.83s 10,370 0

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