head-to-head

OpenAI: GPT-5.6 Luna vs Qwen: Qwen3.6 27B

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

OpenAI: GPT-5.6 Luna Qwen: Qwen3.6 27B
Vendoropenaiqwen
Quality Score100100
Benchmark Score62.332.8
Input Price$0.20/M$0.32/M
Output Price$1.20/M$2.70/M
Context Window1,050,000262,144
Max Output128,000262,140
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index61.635.4

Who wins by task?

TaskOpenAI: GPT-5.6 LunaQwen: Qwen3.6 27B
SQL Generation 141 135
Code Review 143 133
Code Completion 133 129
Code Refactoring 145 133
Bug Fixing 147 137
Unit Test Generation 131 125
Code Documentation 137 129
Regex Writing 125 122
CI/CD Pipelines 127 121
Frontend Component Design 129 126
Data Analysis 133 129
CSV / Spreadsheet Cleanup 136 129
ETL Scripting 136 127
JSON Extraction 131 131
Bulk Data Labeling 129 129
OCR / Document Parsing 134 130
Table Extraction from PDFs 134 130
Long-Document Summarization 147 135
Short-Form Summarization 126 125
Blog Post Writing 129 123

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

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