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

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-20.

Qwen: Qwen3.5-9B Qwen: Qwen3.5-Flash
Vendorqwenqwen
Quality Score100100
Benchmark Score40.0-
Input Price$0.10/M$0.07/M
Output Price$0.15/M$0.26/M
Context Window262,1441,000,000
Max Output262,14465,536
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index41.2-
ai_index_coding47.3-

Who wins by task?

TaskQwen: Qwen3.5-9BQwen: Qwen3.5-Flash
SQL Generation 144 134
Code Review 139 132
Code Completion 130 131
Code Refactoring 138 136
Bug Fixing 144 136
Unit Test Generation 132 124
Code Documentation 131 131
Regex Writing 126 119
CI/CD Pipelines 126 120
Frontend Component Design 131 122
Data Analysis 138 124
CSV / Spreadsheet Cleanup 137 134
ETL Scripting 132 128
JSON Extraction 139 131
Bulk Data Labeling 132 129
OCR / Document Parsing 135 131
Table Extraction from PDFs 135 131
Long-Document Summarization 138 138
Short-Form Summarization 127 123
Blog Post Writing 126 122

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

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