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OpenAI: GPT-5.4 Mini vs Qwen: Qwen3.5-Flash

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

OpenAI: GPT-5.4 Mini Qwen: Qwen3.5-Flash
Vendoropenaiqwen
Quality Score100100
Benchmark Score70.8-
Input Price$0.75/M$0.07/M
Output Price$4.50/M$0.26/M
Context Window400,0001,000,000
Max Output128,00065,536
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index66.0-
ai_index_agentic49.8-
ai_index_coding92.5-

Who wins by task?

TaskOpenAI: GPT-5.4 MiniQwen: Qwen3.5-Flash
SQL Generation 164 134
Code Review 159 132
Code Completion 132 131
Code Refactoring 158 136
Bug Fixing 170 136
Unit Test Generation 148 124
Code Documentation 140 131
Regex Writing 132 119
CI/CD Pipelines 139 120
Frontend Component Design 141 122
Data Analysis 160 124
CSV / Spreadsheet Cleanup 151 134
ETL Scripting 149 128
JSON Extraction 146 131
Bulk Data Labeling 133 129
OCR / Document Parsing 144 131
Table Extraction from PDFs 144 131
Long-Document Summarization 154 138
Short-Form Summarization 129 123
Blog Post Writing 136 122

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

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