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OpenAI: GPT-5.3 Chat vs HY3 Preview

Last updated at: 2026-04-23

Metric GPT-5.3 Chat GPT-5.3 Chat none Release: 2026-03-03 HY3 Preview HY3 Preview medium Release: 2026-04-22 Free Available
Score 7.7 8.1
Rank #41 #27
Consistency 8.6 9.6
Tests Correct
Attempt pass rate 68.5% 74.1%
Flaky tests 3 1
Total Runs 54 54
Cost per result 3.082 0.000
Total Cost $0.340 $0.000
Input Price $1.750 / 1M $0.000 / 1M
Output Price $14.000 / 1M $0.000 / 1M
Output Tokens 20,784 65,057
Reasoning Tokens 0 0
Response Time (avg) 5.88s 14.63s
Response Time (max) 18.33s 46.04s
Response Time (total) 105.90s 248.72s

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-5.3 Chat 6.7 8.1 58.3% 1 3.86s 3,167 0
HY3 Preview 10.0 10.0 100.0% 0 6.59s 5,955 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.3 Chat 10.0 10.0 100.0% 0 9.32s 1,436 0
HY3 Preview 10.0 10.0 100.0% 0 31.37s 8,054 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.3 Chat 10.0 10.0 100.0% 0 11.96s 2,614 0
HY3 Preview 10.0 10.0 100.0% 0 46.04s 12,018 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.3 Chat 10.0 10.0 100.0% 0 2.21s 942 0
HY3 Preview 6.5 10.0 50.0% 0 5.25s 930 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.3 Chat 3.5 4.4 33.3% 2 13.01s 8,264 0
HY3 Preview 5.3 10.0 33.3% 0 22.30s 22,527 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.3 Chat 4.6 10.0 0.0% 0 1.99s 319 0
HY3 Preview 10.0 10.0 100.0% 0 16.84s 2,448 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.3 Chat 8.3 10.0 50.0% 0 3.29s 1,455 0
HY3 Preview 10.0 10.0 100.0% 0 6.16s 2,967 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.3 Chat 10.0 10.0 100.0% 0 2.93s 1,726 0
HY3 Preview 5.3 7.4 44.4% 1 9.55s 7,062 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.3 Chat 10.0 10.0 100.0% 0 8.36s 861 0
HY3 Preview 10.0 10.0 100.0% 0 15.02s 3,096 0

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