head-to-head

Qwen: Qwen3.6 Flash vs OpenAI: GPT-5.3-Codex

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-05-03.

Qwen: Qwen3.6 Flash OpenAI: GPT-5.3-Codex
Vendorqwenopenai
Quality Score100100
Input Price$0.25/M$1.75/M
Output Price$1.50/M$14.00/M
Context Window1,000,000400,000
Max Output65,536128,000
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--

Who wins by task?

TaskQwen: Qwen3.6 FlashOpenAI: GPT-5.3-Codex
SQL Generation 133 132
Code Completion 131 116
Code Documentation 131 128
Regex Writing 119 116
CSV / Spreadsheet Cleanup 133 132
JSON Extraction 131 120
Bulk Data Labeling 129 117
Long-Document Summarization 137 136
Short-Form Summarization 123 112
Blog Post Writing 121 120

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

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