picksbymodel Get API access →
head-to-head

Anthropic: Claude Sonnet 5 vs Qwen: Qwen3.5 Plus 2026-04-20

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

Anthropic: Claude Sonnet 5 Qwen: Qwen3.5 Plus 2026-04-20
Vendoranthropicqwen
Quality Score100100
Benchmark Score92.0-
Input Price$2.00/M$0.30/M
Output Price$10.00/M$1.80/M
Context Window1,000,0001,000,000
Max Output128,00065,536
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index88.0-
ai_index_agentic77.0-
ai_index_coding100.0-

Who wins by task?

TaskAnthropic: Claude Sonnet 5Qwen: Qwen3.5 Plus 2026-04-20
SQL Generation 171 133
Code Review 167 132
Code Completion 119 131
Code Refactoring 164 136
Bug Fixing 180 136
Unit Test Generation 154 124
Code Documentation 141 131
Regex Writing 135 119
CI/CD Pipelines 144 120
Frontend Component Design 146 122
Data Analysis 171 124
CSV / Spreadsheet Cleanup 153 133
ETL Scripting 154 128
JSON Extraction 138 131
Bulk Data Labeling 124 129
OCR / Document Parsing 146 131
Table Extraction from PDFs 146 131
Long-Document Summarization 159 137
Short-Form Summarization 122 123
Blog Post Writing 140 121

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

Related comparisons

Anthropic: Claude Sonnet 5 vs MoonshotAI: Kimi K2.7 Code Anthropic: Claude Sonnet 5 vs Qwen: Qwen3.7 Plus Anthropic: Claude Sonnet 5 vs MiniMax: MiniMax M3 Anthropic: Claude Sonnet 5 vs StepFun: Step 3.7 Flash Anthropic: Claude Sonnet 5 vs xAI: Grok Build 0.1 Anthropic: Claude Sonnet 5 vs Google: Gemini 3.5 Flash Anthropic: Claude Sonnet 5 vs Google: Gemini 3.1 Flash Lite Anthropic: Claude Sonnet 5 vs xAI: Grok 4.3