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Qwen: Qwen3.5 Plus 2026-04-20 vs OpenAI: GPT-5.4

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-20.

Qwen: Qwen3.5 Plus 2026-04-20 OpenAI: GPT-5.4
Vendorqwenopenai
Quality Score100100
Benchmark Score-90.4
Input Price$0.30/M$2.50/M
Output Price$1.80/M$15.00/M
Context Window1,000,0001,050,000
Max Output65,536128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index-84.8
ai_index_agentic-67.8
ai_index_coding-100.0
eqbench-82.4

Who wins by task?

TaskQwen: Qwen3.5 Plus 2026-04-20OpenAI: GPT-5.4
SQL Generation 133 174
Code Review 132 175
Code Completion 131 120
Code Refactoring 136 174
Bug Fixing 136 188
Unit Test Generation 124 159
Code Documentation 131 146
Regex Writing 119 136
CI/CD Pipelines 120 149
Frontend Component Design 122 149
Data Analysis 124 173
CSV / Spreadsheet Cleanup 133 157
ETL Scripting 128 161
JSON Extraction 131 137
Bulk Data Labeling 129 122
OCR / Document Parsing 131 149
Table Extraction from PDFs 131 149
Long-Document Summarization 137 168
Short-Form Summarization 123 122
Blog Post Writing 121 144

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

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