OpenAI: GPT Mini Latest vs Google: Gemini 3.1 Flash Lite Preview
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| OpenAI: GPT Mini Latest | Google: Gemini 3.1 Flash Lite Preview | |
|---|---|---|
| Vendor | ~openai | |
| Quality Score | 100 | 100 |
| Input Price | $0.75/M | $0.25/M |
| Output Price | $4.50/M | $1.50/M |
| Context Window | 400,000 | 1,048,576 |
| Max Output | 128,000 | 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 Preview costs $0.62 and GPT Mini Latest costs $1.88, so Gemini 3.1 Flash Lite Preview is about 3.0 times cheaper for the same work.
Gemini 3.1 Flash Lite Preview reads up to 1,048,576 tokens at once, roughly 1,573 pages of text, against about 600 pages for GPT Mini Latest.
Only Gemini 3.1 Flash Lite Preview offers audio input and video input.
Across the 10 tasks where they differ, Gemini 3.1 Flash Lite Preview on 10 (SQL Generation, Code Completion, Code Documentation and others).
GPT Mini Latest was released in April 2026 and Gemini 3.1 Flash Lite Preview in March 2026.
Pick Gemini 3.1 Flash Lite Preview if you need lower cost, long documents, audio input, video 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 | OpenAI: GPT Mini Latest | Google: Gemini 3.1 Flash Lite Preview |
|---|---|---|
| SQL Generation | 133 | 133 |
| Code Completion | 130 | 131 |
| Code Documentation | 130 | 131 |
| Regex Writing | 119 | 119 |
| CSV / Spreadsheet Cleanup | 133 | 133 |
| JSON Extraction | 130 | 131 |
| Bulk Data Labeling | 128 | 129 |
| Long-Document Summarization | 137 | 137 |
| Short-Form Summarization | 123 | 123 |
| Blog Post Writing | 121 | 121 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →