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OpenAI: GPT-5.3-Codex vs Qwen: Qwen3.6 Max Preview

Last updated at: 2026-04-27

Metric GPT-5.3-Codex GPT-5.3-Codex medium Release: 2026-02-05 Qwen3.6 Max Preview Qwen3.6 Max Preview medium Release: 2026-04-20
Score 8.6 8.8
Rank #11 #8
Reliability N/A 10.0
Consistency 8.7 9.5
Tests Correct
Attempt pass rate 83.3% 85.2%
Flaky tests 3 1
Total Runs 54 54
Cost per result 4.405 5.486
Total Cost $0.573 $0.823
Input Price $1.750 / 1M $1.300 / 1M
Output Price $14.000 / 1M $7.800 / 1M
Output Tokens 2,279 2,158
Reasoning Tokens 35,179 97,495
Response Time (avg) 15.38s 48.31s
Response Time (max) 100.93s 186.74s
Response Time (total) 276.91s 869.64s

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-Codex 8.7 7.9 91.7% 1 4.16s 240 1,722
Qwen3.6 Max Preview 10.0 10.0 100.0% 0 22.13s 228 10,075
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.3-Codex 10.0 10.0 100.0% 0 8.95s 491 1,530
Qwen3.6 Max Preview 10.0 10.0 100.0% 0 117.87s 368 13,790
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.3-Codex 10.0 10.0 100.0% 0 19.56s 364 2,731
Qwen3.6 Max Preview 10.0 10.0 100.0% 0 121.49s 390 14,575
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.3-Codex 10.0 10.0 100.0% 0 3.07s 234 728
Qwen3.6 Max Preview 10.0 10.0 100.0% 0 41.15s 270 10,106
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.3-Codex 5.9 7.2 55.6% 1 64.31s 64 25,308
Qwen3.6 Max Preview 2.9 7.2 11.1% 1 95.91s 60 30,371
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.3-Codex 4.6 10.0 0.0% 0 4.87s 187 331
Qwen3.6 Max Preview 10.0 10.0 100.0% 0 32.24s 129 3,510
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.3-Codex 10.0 10.0 100.0% 0 3.04s 93 693
Qwen3.6 Max Preview 10.0 10.0 100.0% 0 24.31s 103 5,848
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.3-Codex 9.0 7.9 88.9% 1 5.12s 352 1,644
Qwen3.6 Max Preview 10.0 10.0 100.0% 0 24.19s 301 7,649
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.3-Codex 10.0 10.0 100.0% 0 6.37s 254 492
Qwen3.6 Max Preview 10.0 10.0 100.0% 0 18.32s 309 1,571

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