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OpenAI: GPT-5.5 vs HY3 Preview

Last updated at: 2026-04-26

Metric GPT-5.5 GPT-5.5 low Release: 2026-04-24 HY3 Preview HY3 Preview high Release: 2026-04-22 Free Available
Score 9.0 8.5
Rank #5 #11
Reliability 10.0 N/A
Consistency 9.6 8.8
Tests Correct
Attempt pass rate 87.0% 81.5%
Flaky tests 1 3
Total Runs 54 50
Cost per result 4.534 0.000
Total Cost $0.681 $0.000
Input Price $5.000 / 1M $0.000 / 1M
Output Price $30.000 / 1M $0.000 / 1M
Output Tokens 1,959 238,920
Reasoning Tokens 16,134 0
Response Time (avg) 8.39s 55.19s
Response Time (max) 56.19s 149.94s
Response Time (total) 151.01s 938.23s

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Score vs Total Cost

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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-5.5 10.0 10.0 100.0% 0 4.15s 232 1,056
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-5.5 10.0 10.0 100.0% 0 7.79s 369 936
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-5.5 10.0 10.0 100.0% 0 9.56s 303 717
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-5.5 10.0 10.0 100.0% 0 3.28s 228 157
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-5.5 5.3 10.0 33.3% 0 27.57s 69 11,731
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-5.5 10.0 10.0 100.0% 0 3.45s 143 132
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-5.5 9.9 10.0 100.0% 0 2.98s 93 356
HY3 Preview 8.5 6.8 83.3% 1 34.02s 13,331 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.5 9.0 7.9 88.9% 1 4.48s 272 948
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-5.5 10.0 10.0 100.0% 0 4.96s 250 101
HY3 Preview 10.0 10.0 100.0% 0 78.83s 10,370 0

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