Qwen: Qwen3.5 Plus 2026-04-20 vs Google: Gemini 3.1 Flash Lite Preview
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| Qwen: Qwen3.5 Plus 2026-04-20 | Google: Gemini 3.1 Flash Lite Preview | |
|---|---|---|
| Vendor | qwen | |
| Quality Score | 100 | 100 |
| Input Price | $0.30/M | $0.25/M |
| Output Price | $1.80/M | $1.50/M |
| Context Window | 1,000,000 | 1,048,576 |
| 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, Gemini 3.1 Flash Lite Preview costs $0.62 and Qwen3.5 Plus 2026-04-20 costs $0.75, so Gemini 3.1 Flash Lite Preview is about 1.2 times cheaper for the same work.
Both take in a similar amount of text: 1,000,000 and 1,048,576 tokens, about 1,500 and 1,573 pages.
Only Gemini 3.1 Flash Lite Preview offers audio input.
Across the 6 tasks where they differ, Gemini 3.1 Flash Lite Preview on 6 (Code Completion, Code Documentation, Regex Writing and others).
Qwen3.5 Plus 2026-04-20 was released in April 2026 and Gemini 3.1 Flash Lite Preview in March 2026.
Pick Gemini 3.1 Flash Lite Preview if you need lower cost, audio input 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 | Qwen: Qwen3.5 Plus 2026-04-20 | Google: Gemini 3.1 Flash Lite Preview |
|---|---|---|
| Code Completion | 131 | 131 |
| Code Documentation | 131 | 131 |
| Regex Writing | 119 | 119 |
| JSON Extraction | 131 | 131 |
| Bulk Data Labeling | 129 | 129 |
| Short-Form Summarization | 123 | 123 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →