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Qwen: Qwen3.5-9B vs Qwen: Qwen3.5-27B

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-22.

Qwen: Qwen3.5-9B Qwen: Qwen3.5-27B
Vendorqwenqwen
Quality Score100100
Benchmark Score40.055.6
Input Price$0.10/M$0.20/M
Output Price$0.15/M$1.56/M
Context Window256,000262,144
Max Output32,76865,536
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index41.255.7
ai_index_coding47.3-

Who wins by task?

TaskQwen: Qwen3.5-9BQwen: Qwen3.5-27B
SQL Generation 144 137
Code Review 139 137
Code Completion 129 130
Code Refactoring 138 136
Bug Fixing 143 141
Unit Test Generation 132 127
Code Documentation 130 131
Regex Writing 126 125
CI/CD Pipelines 126 123
Frontend Component Design 131 128
Data Analysis 138 132
CSV / Spreadsheet Cleanup 137 130
ETL Scripting 132 130
JSON Extraction 139 131
Bulk Data Labeling 132 129
OCR / Document Parsing 134 131
Table Extraction from PDFs 134 131
Long-Document Summarization 137 138
Short-Form Summarization 127 126
Blog Post Writing 125 125

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

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