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OpenAI: GPT-5.4 vs Qwen: Qwen3.5 Plus 2026-02-15

Last updated at: 2026-03-15

Metric GPT-5.4 GPT-5.4 medium Release: 2026-03-05 Qwen3.5 Plus 2026-02-15 Qwen3.5 Plus 2026-02-15 medium Release: 2026-02-15
Rank #9 #4
Score 8.5 8.8
Consistency 8.5 9.5
Cost per result 6.601 1.264
Total Cost $0.793 $0.165
Tests Correct
Attempt pass rate 83.3% 85.4%
Flaky tests 3 1
Total Runs 48 48
Output Tokens 1,756 1,735
Reasoning Tokens 46,642 77,212
Response Time (avg) 20.05s 34.45s
Response Time (max) 100.41s 79.86s
Response Time (total) 320.87s 310.09s

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 10.0 10.0 100.0% 0 5.02s 216 1,466
Qwen3.5 Plus 2026-02-15 10.0 10.0 100.0% 0 10.37s 186 5,926
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 10.0 10.0 100.0% 0 20.57s 301 3,543
Qwen3.5 Plus 2026-02-15 10.0 10.0 100.0% 0 46.85s 421 7,906
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 10.0 10.0 100.0% 0 5.32s 234 804
Qwen3.5 Plus 2026-02-15 10.0 10.0 100.0% 0 46.91s 270 14,916
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 5.3 7.2 44.4% 1 74.27s 61 34,748
Qwen3.5 Plus 2026-02-15 5.3 10.0 33.3% 0 17.50s 35 16,680
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 4.7 3.1 33.3% 1 4.92s 145 321
Qwen3.5 Plus 2026-02-15 4.7 1.6 66.7% 1 79.86s 73 8,675
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 10.0 10.0 100.0% 0 3.11s 93 897
Qwen3.5 Plus 2026-02-15 10.0 10.0 100.0% 0 31.93s 101 7,704
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 8.2 7.2 88.9% 1 9.13s 442 3,832
Qwen3.5 Plus 2026-02-15 10.0 10.0 100.0% 0 34.57s 340 14,496
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
GPT-5.4 10.0 10.0 100.0% 0 13.28s 264 1,031
Qwen3.5 Plus 2026-02-15 10.0 10.0 100.0% 0 7.54s 309 909

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