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Qwen: Qwen3.5 Plus 2026-04-20 vs Qwen: Qwen3.5-27B

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

Qwen: Qwen3.5 Plus 2026-04-20 Qwen: Qwen3.5-27B
Vendorqwenqwen
Quality Score100100
Benchmark Score-55.6
Input Price$0.30/M$0.20/M
Output Price$1.80/M$1.56/M
Context Window1,000,000262,144
Max Output65,53665,536
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index-55.7

Who wins by task?

TaskQwen: Qwen3.5 Plus 2026-04-20Qwen: Qwen3.5-27B
SQL Generation 133 137
Code Review 132 137
Code Completion 131 130
Code Refactoring 136 136
Bug Fixing 136 141
Unit Test Generation 124 127
Code Documentation 131 131
Regex Writing 119 125
CI/CD Pipelines 120 123
Frontend Component Design 122 128
Data Analysis 124 132
CSV / Spreadsheet Cleanup 133 130
ETL Scripting 128 130
Bulk Data Labeling 129 129
Long-Document Summarization 137 138
Short-Form Summarization 123 126
Blog Post Writing 121 125

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

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