head-to-head
Anthropic Claude Sonnet Latest vs Qwen: Qwen3.5 Plus 2026-04-20
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-23.
| Anthropic Claude Sonnet Latest | Qwen: Qwen3.5 Plus 2026-04-20 | |
|---|---|---|
| Vendor | ~anthropic | qwen |
| Quality Score | 100 | 100 |
| Input Price | $3.00/M | $0.30/M |
| Output Price | $15.00/M | $1.80/M |
| Context Window | 1,000,000 | 1,000,000 |
| Max Output | 128,000 | 65,536 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
Who wins by task?
| Task | Anthropic Claude Sonnet Latest | Qwen: Qwen3.5 Plus 2026-04-20 |
|---|---|---|
| SQL Generation | 132 | 133 |
| Code Completion | 116 | 131 |
| Code Documentation | 128 | 131 |
| Regex Writing | 116 | 119 |
| CSV / Spreadsheet Cleanup | 132 | 133 |
| JSON Extraction | 120 | 131 |
| Bulk Data Labeling | 116 | 129 |
| Long-Document Summarization | 136 | 137 |
| Short-Form Summarization | 112 | 123 |
| Blog Post Writing | 120 | 121 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →
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