Anthropic: Claude Sonnet 5 vs Qwen: Qwen3.7 Plus
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-29.
| Anthropic: Claude Sonnet 5 | Qwen: Qwen3.7 Plus | |
|---|---|---|
| Vendor | anthropic | qwen |
| Quality Score | 100 | 100 |
| Benchmark Score | 63.9 | 39.7 |
| Input Price | $2.00/M | $0.32/M |
| Output Price | $10.00/M | $1.28/M |
| Context Window | 1,000,000 | 1,000,000 |
| Max Output | 128,000 | 131,072 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
| Benchmark Scores | ||
| ai_index | 63.0 | 41.5 |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, Qwen3.7 Plus costs $0.64 and Claude Sonnet 5 costs $4.50, so Qwen3.7 Plus is about 7.0 times cheaper for the same work.
Both read up to 1,000,000 tokens at once, roughly 1,500 pages of text.
On our blended benchmark score Claude Sonnet 5 leads 63.9 to 39.7.
Across the 20 tasks where they differ, Claude Sonnet 5 scores higher on 14 (SQL Generation, Code Review, Code Refactoring and others), Qwen3.7 Plus on 6 (Code Completion, Code Documentation, CSV / Spreadsheet Cleanup and others).
Pick Claude Sonnet 5 if you need benchmark performance or the stronger all-round task scores; pick Qwen3.7 Plus if you need lower cost.
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?
| Task | Anthropic: Claude Sonnet 5 | Qwen: Qwen3.7 Plus |
|---|---|---|
| SQL Generation | 140 | 138 |
| Code Review | 144 | 139 |
| Code Completion | 118 | 132 |
| Code Refactoring | 146 | 142 |
| Bug Fixing | 148 | 143 |
| Unit Test Generation | 131 | 129 |
| Code Documentation | 135 | 135 |
| Regex Writing | 123 | 123 |
| CI/CD Pipelines | 127 | 125 |
| Frontend Component Design | 129 | 127 |
| Data Analysis | 133 | 130 |
| CSV / Spreadsheet Cleanup | 135 | 135 |
| ETL Scripting | 136 | 133 |
| JSON Extraction | 121 | 131 |
| Bulk Data Labeling | 118 | 129 |
| OCR / Document Parsing | 134 | 133 |
| Table Extraction from PDFs | 134 | 133 |
| Long-Document Summarization | 146 | 144 |
| Short-Form Summarization | 116 | 125 |
| Blog Post Writing | 128 | 126 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →