Google: Gemini 3.1 Flash Lite vs Qwen: Qwen3.5 Plus 2026-04-20
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| Google: Gemini 3.1 Flash Lite | Qwen: Qwen3.5 Plus 2026-04-20 | |
|---|---|---|
| Vendor | qwen | |
| Quality Score | 100 | 100 |
| Input Price | $0.25/M | $0.30/M |
| Output Price | $1.50/M | $1.80/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, Gemini 3.1 Flash Lite costs $0.62 and Qwen3.5 Plus 2026-04-20 costs $0.75, so Gemini 3.1 Flash Lite is about 1.2 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 offers audio input.
Across the 6 tasks where they differ, Gemini 3.1 Flash Lite scores higher on 6 (Code Completion, Code Documentation, Regex Writing and others).
Gemini 3.1 Flash Lite was released in May 2026 and Qwen3.5 Plus 2026-04-20 in April 2026.
Pick Gemini 3.1 Flash Lite 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 | Google: Gemini 3.1 Flash Lite | Qwen: Qwen3.5 Plus 2026-04-20 |
|---|---|---|
| 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 →