picksbymodel Get API access →
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 2026-06-20.

OpenAI: GPT-5.4 Qwen: Qwen3.5-Flash
Vendoropenaiqwen
Quality Score100100
Benchmark Score90.4-
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_index84.8-
ai_index_agentic67.8-
ai_index_coding100.0-
eqbench82.4-

Who wins by task?

TaskOpenAI: GPT-5.4Qwen: Qwen3.5-Flash
SQL Generation 174 134
Code Review 175 132
Code Completion 120 131
Code Refactoring 174 136
Bug Fixing 188 136
Unit Test Generation 159 124
Code Documentation 146 131
Regex Writing 136 119
CI/CD Pipelines 149 120
Frontend Component Design 149 122
Data Analysis 173 124
CSV / Spreadsheet Cleanup 157 134
ETL Scripting 161 128
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 122 123
Blog Post Writing 144 122

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

Related comparisons

MoonshotAI: Kimi K2.7 Code vs OpenAI: GPT-5.4 MoonshotAI: Kimi K2.7 Code vs Qwen: Qwen3.5-Flash Qwen: Qwen3.7 Plus vs OpenAI: GPT-5.4 Qwen: Qwen3.7 Plus vs Qwen: Qwen3.5-Flash MiniMax: MiniMax M3 vs OpenAI: GPT-5.4 MiniMax: MiniMax M3 vs Qwen: Qwen3.5-Flash StepFun: Step 3.7 Flash vs OpenAI: GPT-5.4 StepFun: Step 3.7 Flash vs Qwen: Qwen3.5-Flash