Google: Gemma 4 31B (free) vs Qwen: Qwen3.5-Flash
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| Google: Gemma 4 31B (free) | Qwen: Qwen3.5-Flash | |
|---|---|---|
| Vendor | qwen | |
| Quality Score | 100 | 100 |
| Benchmark Score | 53.7 | - |
| Input Price | Free | $0.07/M |
| Output Price | Free | $0.26/M |
| Context Window | 262,144 | 1,000,000 |
| Max Output | 32,768 | 65,536 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
| Benchmark Scores | ||
| ai_index | 48.4 | - |
| ai_index_agentic | 23.8 | - |
| ai_index_coding | 71.7 | - |
| eqbench | 57.5 | - |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, Gemma 4 31B (free) costs $0 and Qwen3.5-Flash costs $0.13, so Gemma 4 31B (free) is free for the same work.
Qwen3.5-Flash reads up to 1,000,000 tokens at once, roughly 1,500 pages of text, against about 393 pages for Gemma 4 31B (free).
Across the 19 tasks where they differ, Gemma 4 31B (free) scores higher on 19 (SQL Generation, Code Review, Code Refactoring and others).
Gemma 4 31B (free) was released in April 2026 and Qwen3.5-Flash in February 2026.
Pick Gemma 4 31B (free) if you need lower cost or the stronger all-round task scores; pick Qwen3.5-Flash if you need long documents.
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: Gemma 4 31B (free) | Qwen: Qwen3.5-Flash |
|---|---|---|
| SQL Generation | 156 | 134 |
| Code Review | 152 | 132 |
| Code Refactoring | 151 | 136 |
| Bug Fixing | 160 | 136 |
| Unit Test Generation | 143 | 124 |
| Code Documentation | 137 | 131 |
| Regex Writing | 131 | 119 |
| CI/CD Pipelines | 135 | 120 |
| Frontend Component Design | 138 | 122 |
| Data Analysis | 152 | 124 |
| CSV / Spreadsheet Cleanup | 145 | 134 |
| ETL Scripting | 143 | 128 |
| JSON Extraction | 143 | 131 |
| Bulk Data Labeling | 133 | 129 |
| OCR / Document Parsing | 140 | 131 |
| Table Extraction from PDFs | 140 | 131 |
| Long-Document Summarization | 149 | 138 |
| Short-Form Summarization | 129 | 123 |
| Blog Post Writing | 133 | 122 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →