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Anthropic: Claude Sonnet 5 vs Qwen: Qwen3.5-35B-A3B

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-07-02.

Anthropic: Claude Sonnet 5 Qwen: Qwen3.5-35B-A3B
Vendoranthropicqwen
Quality Score100100
Benchmark Score92.047.9
Input Price$2.00/M$0.14/M
Output Price$10.00/M$1.00/M
Context Window1,000,000262,144
Max Output128,00081,920
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index88.048.3
ai_index_agentic77.0-
ai_index_coding100.0-

Who wins by task?

TaskAnthropic: Claude Sonnet 5Qwen: Qwen3.5-35B-A3B
SQL Generation 171 136
Code Review 167 135
Code Completion 119 130
Code Refactoring 164 135
Bug Fixing 180 139
Unit Test Generation 154 127
Code Documentation 141 130
Regex Writing 135 124
CI/CD Pipelines 144 123
Frontend Component Design 146 127
Data Analysis 171 131
CSV / Spreadsheet Cleanup 153 130
ETL Scripting 154 129
JSON Extraction 138 131
Bulk Data Labeling 124 129
OCR / Document Parsing 146 130
Table Extraction from PDFs 146 130
Long-Document Summarization 159 137
Short-Form Summarization 122 126
Blog Post Writing 140 124

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

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