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OpenAI: GPT-5.4 vs Qwen: Qwen3.5-27B

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-22.

OpenAI: GPT-5.4 Qwen: Qwen3.5-27B
Vendoropenaiqwen
Quality Score100100
Benchmark Score90.455.6
Input Price$2.50/M$0.20/M
Output Price$15.00/M$1.56/M
Context Window1,050,000262,144
Max Output128,00065,536
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index84.855.7
ai_index_agentic67.8-
ai_index_coding100.0-
eqbench82.4-

Who wins by task?

TaskOpenAI: GPT-5.4Qwen: Qwen3.5-27B
SQL Generation 174 137
Code Review 175 137
Code Completion 120 130
Code Refactoring 174 136
Bug Fixing 188 141
Unit Test Generation 159 127
Code Documentation 146 131
Regex Writing 136 125
CI/CD Pipelines 149 123
Frontend Component Design 149 128
Data Analysis 173 132
CSV / Spreadsheet Cleanup 157 130
ETL Scripting 161 130
JSON Extraction 137 131
Bulk Data Labeling 122 129
OCR / Document Parsing 149 131
Table Extraction from PDFs 149 131
Long-Document Summarization 168 138
Short-Form Summarization 122 126
Blog Post Writing 144 125

Scores reflect capability match + benchmark data + pricing for each task. Methodology →

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