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A side-by-side comparison of Gemini 3.1 Pro Preview and GPT-5.1, using the lowest price and highest limits found across every provider that offers each model.
| Gemini 3.1 Pro Preview | GPT-5.1 | |
|---|---|---|
| Providers | 46 | 43 |
| Cheapest input ($/M) | $0.3098 via DaoXE | $0.1936 via DaoXE |
| Cheapest output ($/M) | $1.8589 via DaoXE | $1.5491 via DaoXE |
| Max context | 2M | 400K |
| Max output | 65.5K | 128K |
| Released | Feb 19, 2026 | Nov 1, 2025 |
| Open weights | No | No |
| Features | ReasoningToolsStructured outputFilesTemperature | ReasoningToolsStructured outputFilesTemperature |
| Input modalities | AudioFileImageTextVideo | ImageText |
| Output modalities | Text | Text |