Gemini 3.1 Pro Preview Custom Tools
Gemini 3.1 Pro Preview Custom Tools is a variant of Gemini 3.1 Pro that improves tool selection behavior by preventing overuse of a general bash tool when more efficient third-party...
The figures
- Made by
- Model ID
- google/gemini-3.1-pro-preview-customtools
- Input
- $2 per million tokens
- Output
- $12 per million tokens
- Context window
- 1.05M tokens
- Longest answer
- 66K tokens
- Takes in
- text, audio, image, video, file
- Gives back
- text
- Reasoning
- Yes
- Tool calling
- Yes
- Reads images
- Yes
- Open weights
- No
- Released
- 25 Feb 2026
Read on 3 Oct 2026.