head-to-head
Qwen: Qwen3.5 Plus 2026-04-20 vs Qwen: Qwen3.5-Flash
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.
| Qwen: Qwen3.5 Plus 2026-04-20 | Qwen: Qwen3.5-Flash | |
|---|---|---|
| Vendor | qwen | qwen |
| Quality Score | 100 | 100 |
| Input Price | $0.30/M | $0.07/M |
| Output Price | $1.80/M | $0.26/M |
| Context Window | 1,000,000 | 1,000,000 |
| Max Output | 65,536 | 65,536 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
Who wins by task?
| Task | Qwen: Qwen3.5 Plus 2026-04-20 | Qwen: Qwen3.5-Flash |
|---|---|---|
| SQL Generation | 133 | 134 |
| Code Completion | 131 | 131 |
| Code Documentation | 131 | 131 |
| Regex Writing | 119 | 119 |
| CSV / Spreadsheet Cleanup | 133 | 134 |
| JSON Extraction | 131 | 131 |
| Bulk Data Labeling | 129 | 129 |
| Long-Document Summarization | 137 | 138 |
| Short-Form Summarization | 123 | 123 |
| Blog Post Writing | 121 | 122 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →
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