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Anthropic: Claude Sonnet 5 vs Qwen: Qwen3.6 27B

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

Anthropic: Claude Sonnet 5 Qwen: Qwen3.6 27B
Vendoranthropicqwen
Quality Score100100
Benchmark Score92.066.1
Input Price$2.00/M$0.28/M
Output Price$10.00/M$2.40/M
Context Window1,000,000262,144
Max Output128,000262,140
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index88.061.1
ai_index_agentic77.044.6
ai_index_coding100.088.6

Who wins by task?

TaskAnthropic: Claude Sonnet 5Qwen: Qwen3.6 27B
SQL Generation 171 159
Code Review 167 152
Code Completion 119 129
Code Refactoring 164 148
Bug Fixing 180 162
Unit Test Generation 154 144
Code Documentation 141 134
Regex Writing 135 131
CI/CD Pipelines 144 135
Frontend Component Design 146 140
Data Analysis 171 158
CSV / Spreadsheet Cleanup 153 145
ETL Scripting 154 142
JSON Extraction 138 146
Bulk Data Labeling 124 134
OCR / Document Parsing 146 141
Table Extraction from PDFs 146 141
Long-Document Summarization 159 145
Short-Form Summarization 122 129
Blog Post Writing 140 132

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

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