head-to-head

Qwen: Qwen3.5 Plus 2026-04-20 vs Qwen: Qwen3.5-Flash

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-Flash
Vendorqwenqwen
Quality Score100100
Input Price$0.30/M$0.07/M
Output Price$1.80/M$0.26/M
Context Window1,000,0001,000,000
Max Output65,53665,536
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--

Who wins by task?

TaskQwen: Qwen3.5 Plus 2026-04-20Qwen: Qwen3.5-Flash
SQL Generation 133 134
Code Completion 131 131
Code Documentation 131 131
Regex Writing 119 119
CSV / Spreadsheet Cleanup 133 134
JSON Extraction 131 131
Bulk Data Labeling 129 129
Long-Document Summarization 137 138
Short-Form Summarization 123 123
Blog Post Writing 121 122

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

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