Google: Gemini 3.1 Flash Lite vs Qwen: Qwen3.5-9B
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| Google: Gemini 3.1 Flash Lite | Qwen: Qwen3.5-9B | |
|---|---|---|
| Vendor | qwen | |
| Quality Score | 100 | 100 |
| Benchmark Score | - | 31.3 |
| Input Price | $0.25/M | $0.17/M |
| Output Price | $1.50/M | $0.25/M |
| Context Window | 1,048,576 | 262,144 |
| Max Output | 65,536 | 235,929 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | ✓ | - |
| Benchmark Scores | ||
| ai_index | - | 35.4 |
| ai_index_agentic | - | 12.2 |
| ai_index_coding | - | 47.3 |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, Qwen3.5-9B costs $0.23 and Gemini 3.1 Flash Lite costs $0.62, so Qwen3.5-9B is about 2.7 times cheaper for the same work.
Gemini 3.1 Flash Lite reads up to 1,048,576 tokens at once, roughly 1,573 pages of text, against about 393 pages for Qwen3.5-9B.
Only Gemini 3.1 Flash Lite offers audio input.
Across the 20 tasks where they differ, Gemini 3.1 Flash Lite scores higher on 2 (Code Completion, Code Documentation), Qwen3.5-9B on 18 (SQL Generation, Code Review, Code Refactoring and others).
Gemini 3.1 Flash Lite was released in May 2026 and Qwen3.5-9B in March 2026.
Pick Gemini 3.1 Flash Lite if you need long documents or audio input; pick Qwen3.5-9B 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 | Qwen: Qwen3.5-9B |
|---|---|---|
| SQL Generation | 133 | 145 |
| Code Review | 132 | 139 |
| Code Completion | 131 | 129 |
| Code Refactoring | 136 | 138 |
| Bug Fixing | 136 | 145 |
| Unit Test Generation | 124 | 133 |
| Code Documentation | 131 | 130 |
| Regex Writing | 119 | 126 |
| CI/CD Pipelines | 120 | 126 |
| Frontend Component Design | 122 | 131 |
| Data Analysis | 124 | 140 |
| CSV / Spreadsheet Cleanup | 133 | 137 |
| ETL Scripting | 128 | 132 |
| JSON Extraction | 131 | 139 |
| Bulk Data Labeling | 129 | 132 |
| OCR / Document Parsing | 131 | 135 |
| Table Extraction from PDFs | 131 | 135 |
| Long-Document Summarization | 137 | 138 |
| Short-Form Summarization | 123 | 127 |
| Blog Post Writing | 121 | 126 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →