head-to-head

OpenAI: GPT-5.4 Nano vs Qwen: Qwen3.5 397B A17B

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

OpenAI: GPT-5.4 Nano Qwen: Qwen3.5 397B A17B
Vendoropenaiqwen
Quality Score100100
Benchmark Score31.553.4
Input Price$0.20/M$0.55/M
Output Price$1.25/M$3.50/M
Context Window400,000262,144
Max Output128,000235,929
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index34.230.4
eqbench-71.3

Who wins by task?

TaskOpenAI: GPT-5.4 NanoQwen: Qwen3.5 397B A17B
SQL Generation 138 139
Code Review 138 140
Code Completion 132 131
Code Refactoring 141 141
Bug Fixing 142 144
Unit Test Generation 128 129
Code Documentation 134 134
Regex Writing 123 125
CI/CD Pipelines 124 125
Frontend Component Design 126 128
Data Analysis 129 132
CSV / Spreadsheet Cleanup 135 133
ETL Scripting 132 133
JSON Extraction 131 131
Bulk Data Labeling 129 128
OCR / Document Parsing 132 131
Table Extraction from PDFs 132 131
Long-Document Summarization 143 143
Short-Form Summarization 125 126
Blog Post Writing 126 127

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

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