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OpenAI: GPT-5.3 Chat vs Qwen: Qwen3.5-27B

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Last updated at: 2026-03-06

Metric OpenAI: GPT-5.3 Chat none Release: 2026-03-03 Qwen: Qwen3.5-27B medium Release: 2026-02-24
Avg Score 7.5 8.5
Rank #19 #5
Tests Correct
Consistency 8.4 9.5
Cost per result 3.110 3.283
Total Cost $0.311 $0.394
Attempt pass rate 75.6% 82.2%
Flaky tests 3 1
common.totalRuns 45 (15 x 3) 45 (15 x 3)
Output Tokens 18,953 1,588
Reasoning Tokens 0 177,639
Response Time (avg) 6.22s 48.85s
Response Time (max) 18.33s 163.96s
Response Time (total) 93.31s 732.75s

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-5.3 Chat 7.3 7.5 77.8% 1 4.72s 3,091 0
Qwen: Qwen3.5-27B 10.0 10.0 100.0% 0 9.69s 102 8,956
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
OpenAI: GPT-5.3 Chat 10.0 10.0 100.0% 0 11.96s 2,614 0
Qwen: Qwen3.5-27B 10.0 10.0 100.0% 0 163.96s 483 9,991
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
OpenAI: GPT-5.3 Chat 9.9 10.0 100.0% 0 2.21s 942 0
Qwen: Qwen3.5-27B 9.9 10.0 100.0% 0 30.26s 270 16,150
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
OpenAI: GPT-5.3 Chat 10.0 4.4 33.3% 2 13.01s 8,264 0
Qwen: Qwen3.5-27B 4.0 10.0 33.3% 0 79.53s 43 52,368
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
OpenAI: GPT-5.3 Chat 9.0 10.0 50.0% 0 3.29s 1,455 0
Qwen: Qwen3.5-27B 10.0 10.0 100.0% 0 19.66s 97 11,638
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
OpenAI: GPT-5.3 Chat 10.0 10.0 100.0% 0 2.93s 1,726 0
Qwen: Qwen3.5-27B 8.3 7.7 77.8% 1 64.61s 245 77,213
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
OpenAI: GPT-5.3 Chat 10.0 10.0 100.0% 0 8.36s 861 0
Qwen: Qwen3.5-27B 10.0 10.0 100.0% 0 7.45s 348 1,323

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