Google: Gemini 3.1 Flash Lite Preview vs Qwen: Qwen3.5-Flash
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| Google: Gemini 3.1 Flash Lite Preview | Qwen: Qwen3.5-Flash | |
|---|---|---|
| Vendor | qwen | |
| Quality Score | 100 | 100 |
| Input Price | $0.25/M | $0.07/M |
| Output Price | $1.50/M | $0.26/M |
| Context Window | 1,048,576 | 1,000,000 |
| Max Output | 65,536 | 65,536 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | ✓ | - |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, Qwen3.5-Flash costs $0.13 and Gemini 3.1 Flash Lite Preview costs $0.62, so Qwen3.5-Flash is about 4.8 times cheaper for the same work.
Both take in a similar amount of text: 1,048,576 and 1,000,000 tokens, about 1,573 and 1,500 pages.
Only Gemini 3.1 Flash Lite Preview offers audio input.
Across the 10 tasks where they differ, Qwen3.5-Flash on 10 (SQL Generation, Code Completion, Code Documentation and others).
Gemini 3.1 Flash Lite Preview was released in March 2026 and Qwen3.5-Flash in February 2026.
Pick Gemini 3.1 Flash Lite Preview if you need audio input; pick Qwen3.5-Flash if you need lower cost or the stronger all-round task scores.
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 | Google: Gemini 3.1 Flash Lite Preview | 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 →