head-to-head

Qwen: Qwen3.7 Plus vs Qwen: Qwen3.5-9B

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.

Qwen: Qwen3.7 Plus Qwen: Qwen3.5-9B
Vendorqwenqwen
Quality Score100100
Benchmark Score64.831.3
Input Price$0.32/M$0.17/M
Output Price$1.28/M$0.25/M
Context Window1,000,000262,144
Max Output131,072235,929
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index64.335.4
ai_index_agentic34.312.2
ai_index_coding92.247.3

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, Qwen3.5-9B costs $0.23 and Qwen3.7 Plus costs $0.64, so Qwen3.5-9B is about 2.8 times cheaper for the same work.

Qwen3.7 Plus reads up to 1,000,000 tokens at once, roughly 1,500 pages of text, against about 393 pages for Qwen3.5-9B.

Only Qwen3.5-9B offers video input.

On our blended benchmark score Qwen3.7 Plus leads 64.8 to 31.3.

Across the 20 tasks where they differ, Qwen3.7 Plus scores higher on 20 (SQL Generation, Code Review, Code Completion and others).

Qwen3.7 Plus was released in June 2026 and Qwen3.5-9B in March 2026.

Pick Qwen3.7 Plus if you need long documents, benchmark performance or the stronger all-round task scores; pick Qwen3.5-9B if you need lower cost or video input.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.

Who wins by task?

TaskQwen: Qwen3.7 PlusQwen: Qwen3.5-9B
SQL Generation 162 145
Code Review 157 139
Code Completion 133 129
Code Refactoring 157 138
Bug Fixing 166 145
Unit Test Generation 147 133
Code Documentation 140 130
Regex Writing 131 126
CI/CD Pipelines 138 126
Frontend Component Design 140 131
Data Analysis 156 140
CSV / Spreadsheet Cleanup 151 137
ETL Scripting 147 132
JSON Extraction 146 139
Bulk Data Labeling 134 132
OCR / Document Parsing 144 135
Table Extraction from PDFs 144 135
Long-Document Summarization 153 138
Short-Form Summarization 129 127
Blog Post Writing 135 126

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

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