head-to-head

OpenAI: GPT-5.4 Nano vs Qwen: Qwen3.5 Plus 2026-02-15

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

OpenAI: GPT-5.4 Nano Qwen: Qwen3.5 Plus 2026-02-15
Vendoropenaiqwen
Quality Score100100
Benchmark Score31.5-
Input Price$0.20/M$0.26/M
Output Price$1.25/M$1.56/M
Context Window400,0001,000,000
Max Output128,00065,536
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index34.2-

Who wins by task?

TaskOpenAI: GPT-5.4 NanoQwen: Qwen3.5 Plus 2026-02-15
SQL Generation 138 133
Code Review 138 132
Code Completion 132 131
Code Refactoring 141 136
Bug Fixing 142 136
Unit Test Generation 128 124
Code Documentation 134 131
Regex Writing 123 119
CI/CD Pipelines 124 120
Frontend Component Design 126 122
Data Analysis 129 124
CSV / Spreadsheet Cleanup 135 133
ETL Scripting 132 128
JSON Extraction 131 131
Bulk Data Labeling 129 129
OCR / Document Parsing 132 131
Table Extraction from PDFs 132 131
Long-Document Summarization 143 137
Short-Form Summarization 125 123
Blog Post Writing 126 121

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

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