Google: Gemini 3.5 Flash Lite vs Google: Gemma 4 31B
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| Google: Gemini 3.5 Flash Lite | Google: Gemma 4 31B | |
|---|---|---|
| Vendor | ||
| Quality Score | 100 | 100 |
| Benchmark Score | - | 53.7 |
| Input Price | $0.30/M | $0.20/M |
| Output Price | $2.50/M | $0.40/M |
| Context Window | 1,048,576 | 262,144 |
| Max Output | 65,536 | 16,384 |
| 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 costs $0.30 and Gemini 3.5 Flash Lite costs $0.93, so Gemma 4 31B is about 3.1 times cheaper for the same work.
Gemini 3.5 Flash Lite reads up to 1,048,576 tokens at once, roughly 1,573 pages of text, against about 393 pages for Gemma 4 31B.
Only Gemini 3.5 Flash Lite offers audio input.
Across the 20 tasks where they differ, Gemma 4 31B on 20 (SQL Generation, Code Review, Code Completion and others).
Gemini 3.5 Flash Lite was released in July 2026 and Gemma 4 31B in April 2026.
Pick Gemini 3.5 Flash Lite if you need long documents or audio input; pick Gemma 4 31B 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 3.5 Flash Lite | Google: Gemma 4 31B |
|---|---|---|
| SQL Generation | 133 | 156 |
| Code Review | 132 | 152 |
| Code Completion | 131 | 131 |
| Code Refactoring | 136 | 151 |
| Bug Fixing | 136 | 160 |
| Unit Test Generation | 124 | 143 |
| Code Documentation | 131 | 137 |
| Regex Writing | 119 | 131 |
| CI/CD Pipelines | 120 | 135 |
| Frontend Component Design | 122 | 138 |
| Data Analysis | 124 | 152 |
| CSV / Spreadsheet Cleanup | 133 | 145 |
| ETL Scripting | 128 | 143 |
| JSON Extraction | 131 | 143 |
| Bulk Data Labeling | 129 | 133 |
| OCR / Document Parsing | 131 | 140 |
| Table Extraction from PDFs | 131 | 140 |
| Long-Document Summarization | 137 | 149 |
| Short-Form Summarization | 123 | 129 |
| Blog Post Writing | 121 | 133 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →