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

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Last updated at: 2026-03-06

Metric OpenAI: GPT-5.4 medium Release: 2026-03-05 Qwen: Qwen3.5 Plus 2026-02-15 none Release: 2026-02-15
Avg Score 8.2 6.4
Rank #7 #27
Tests Correct
Consistency 8.9 10.0
Cost per result 6.533 0.168
Total Cost $0.784 $0.016
Attempt pass rate 86.7% 60.0%
Flaky tests 2 0
common.totalRuns 45 (15 x 3) 45 (15 x 3)
Output Tokens 1,611 1,898
Reasoning Tokens 46,321 0
Response Time (avg) 21.06s 2.70s
Response Time (max) 100.41s 6.65s
Response Time (total) 315.95s 24.26s

Top Models by Score

Score vs Total Cost

Response Time (avg)

Avg Score vs Response Time (avg)

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
OpenAI: GPT-5.4 10.0 10.0 100.0% 0 5.02s 216 1,466
Qwen: Qwen3.5 Plus 2026-02-15 4.0 10.0 33.3% 0 2.74s 514 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
OpenAI: GPT-5.4 10.0 10.0 100.0% 0 20.57s 301 3,543
Qwen: Qwen3.5 Plus 2026-02-15 10.0 10.0 0.0% 0 6.65s 314 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
OpenAI: GPT-5.4 9.9 10.0 100.0% 0 5.32s 234 804
Qwen: Qwen3.5 Plus 2026-02-15 9.9 10.0 100.0% 0 1.89s 243 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
OpenAI: GPT-5.4 4.0 7.2 44.4% 1 74.27s 61 34,748
Qwen: Qwen3.5 Plus 2026-02-15 4.0 10.0 33.3% 0 1.17s 17 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
OpenAI: GPT-5.4 10.0 10.0 100.0% 0 3.11s 93 897
Qwen: Qwen3.5 Plus 2026-02-15 10.0 10.0 100.0% 0 1.67s 72 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
OpenAI: GPT-5.4 7.0 7.2 88.9% 1 9.13s 442 3,832
Qwen: Qwen3.5 Plus 2026-02-15 7.0 10.0 66.7% 0 2.82s 516 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
OpenAI: GPT-5.4 10.0 10.0 100.0% 0 13.28s 264 1,031
Qwen: Qwen3.5 Plus 2026-02-15 10.0 10.0 100.0% 0 3.33s 222 0

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