Back to Models
Gemini

Gemini 3.1 Pro Preview

GeminiDocumentation
gemini-3.1-pro-preview

Google's most capable model for multimodal understanding and advanced agentic tasks. Successor to Gemini 3 Pro Preview with improved reasoning across text, images, video, audio, and PDFs.

Context Window
1049K
tokens
Temperature
0 – 2
default: 1
Extended Thinking
Supported
Web Search
Available
Structured Output
Available

Supported File Formats

Images

WEBP(5 MB)PNG(5 MB)JPEG(5 MB)GIF(5 MB)

Documents

pdftextdocxlsrtfdocxxlsxpptxpptodtodpods