Google: Gemini 3.5 Flash Lite (batch) vs Google: Gemini 3.1 Flash Lite
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| Google: Gemini 3.5 Flash Lite (batch) | Google: Gemini 3.1 Flash Lite | |
|---|---|---|
| Vendor | ||
| Quality Score | 100 | 100 |
| Input Price | $0.15/M | $0.25/M |
| Output Price | $1.25/M | $1.50/M |
| Context Window | 1,048,576 | 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 3.5 Flash Lite (batch) costs $0.46 and Gemini 3.1 Flash Lite costs $0.62, so Gemini 3.5 Flash Lite (batch) is about 1.4 times cheaper for the same work.
Both read up to 1,048,576 tokens at once, roughly 1,573 pages of text.
Across the 5 tasks where they differ, Gemini 3.5 Flash Lite (batch) scores higher on 5 (SQL Generation, CSV / Spreadsheet Cleanup, Bulk Data Labeling and others).
Gemini 3.5 Flash Lite (batch) was released in July 2026 and Gemini 3.1 Flash Lite in May 2026.
Pick Gemini 3.5 Flash Lite (batch) 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 (batch) | Google: Gemini 3.1 Flash Lite |
|---|---|---|
| SQL Generation | 133 | 133 |
| CSV / Spreadsheet Cleanup | 133 | 133 |
| Bulk Data Labeling | 129 | 129 |
| Long-Document Summarization | 137 | 137 |
| Blog Post Writing | 121 | 121 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →