head-to-head

Anthropic Claude Sonnet Latest vs Qwen: Qwen3.5-9B

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-26.

	Anthropic Claude Sonnet Latest	Qwen: Qwen3.5-9B
Vendor	~anthropic	qwen
Quality Score	100	100
Benchmark Score	-	40.0
Input Price	$3.00/M	$0.10/M
Output Price	$15.00/M	$0.15/M
Context Window	1,000,000	262,144
Max Output	128,000	262,144
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	-
Benchmark Scores
ai_index	-	41.2
ai_index_coding	-	47.3

Who wins by task?

Task	Anthropic Claude Sonnet Latest	Qwen: Qwen3.5-9B
SQL Generation	132	144
Code Review	132	139
Code Completion	116	130
Code Refactoring	136	138
Bug Fixing	136	144
Unit Test Generation	124	132
Code Documentation	128	131
Regex Writing	116	126
CI/CD Pipelines	120	126
Frontend Component Design	122	131
Data Analysis	124	138
CSV / Spreadsheet Cleanup	132	137
ETL Scripting	128	132
JSON Extraction	120	139
Bulk Data Labeling	116	132
OCR / Document Parsing	131	135
Table Extraction from PDFs	131	135
Long-Document Summarization	136	138
Short-Form Summarization	112	127
Blog Post Writing	120	126

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