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

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

Qwen: Qwen3.5-27B Qwen: Qwen3.5-Flash
Vendorqwenqwen
Quality Score100100
Benchmark Score55.6-
Input Price$0.20/M$0.07/M
Output Price$1.56/M$0.26/M
Context Window262,1441,000,000
Max Output65,53665,536
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index55.7-

Who wins by task?

TaskQwen: Qwen3.5-27BQwen: Qwen3.5-Flash
SQL Generation 137 134
Code Review 137 132
Code Completion 130 131
Code Refactoring 136 136
Bug Fixing 141 136
Unit Test Generation 127 124
Code Documentation 131 131
Regex Writing 125 119
CI/CD Pipelines 123 120
Frontend Component Design 128 122
Data Analysis 132 124
CSV / Spreadsheet Cleanup 130 134
ETL Scripting 130 128
JSON Extraction 131 131
Bulk Data Labeling 129 129
Long-Document Summarization 138 138
Short-Form Summarization 126 123
Blog Post Writing 125 122

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

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