Reasoning-first Gemini preview for agentic coding and complex problem solving
Details
| Field | Value |
|---|---|
| id | gemini-3-1-pro-preview |
| family | gemini |
| modality | text+image+audio+video->text |
| context_length | 1000000 |
| max_output_tokens | 32768 |
| knowledge_cutoff | 2025-01 |
| release_date | 2026-02-19 |
| is_open_weights | no |
| supports_tool_call | yes |
| supports_reasoning | yes |
| supports_structured_output | yes |
| supports_attachment | yes |
| input_modalities | text, image, audio, video |
| output_modalities | text |