head-to-head

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

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.

OpenAI: GPT-5.4 Qwen: Qwen3.5-Flash
Vendoropenaiqwen
Quality Score100100
Benchmark Score80.9-
Input Price$2.50/M$0.07/M
Output Price$15.00/M$0.26/M
Context Window1,050,0001,000,000
Max Output128,00065,536
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index64.3-
eqbench82.4-

Who wins by task?

TaskOpenAI: GPT-5.4Qwen: Qwen3.5-Flash
SQL Generation 145 134
Code Review 154 132
Code Completion 120 131
Code Refactoring 157 136
Bug Fixing 158 136
Unit Test Generation 137 124
Code Documentation 140 131
Regex Writing 126 119
CI/CD Pipelines 133 120
Frontend Component Design 133 122
Data Analysis 138 124
CSV / Spreadsheet Cleanup 139 134
ETL Scripting 145 128
JSON Extraction 120 131
Bulk Data Labeling 116 129
OCR / Document Parsing 136 131
Table Extraction from PDFs 136 131
Long-Document Summarization 157 138
Short-Form Summarization 117 123
Blog Post Writing 133 122

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

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