head-to-head

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

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-04-29.

OpenAI: GPT-5.4 Nano Qwen: Qwen3.5-Flash
Vendoropenaiqwen
Quality Score100100
Input Price$0.20/M$0.07/M
Output Price$1.25/M$0.26/M
Context Window400,0001,000,000
Max Output128,00065,536
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--

Who wins by task?

TaskOpenAI: GPT-5.4 NanoQwen: Qwen3.5-Flash
SQL Generation 133 134
Code Completion 131 131
Code Documentation 131 131
Regex Writing 119 119
CSV / Spreadsheet Cleanup 133 134
JSON Extraction 131 131
Bulk Data Labeling 129 129
Long-Document Summarization 137 138
Short-Form Summarization 123 123
Blog Post Writing 121 122

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

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