AI Observatory / Model Radar
Google / google/gemini-3.1-pro-preview-customtools
Google: 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...
1,048,576
Context
65,536
Max output
$2.00 / 1M
Prompt price
2026-02-25
Created
01 / Snapshot
Pricing, context, modalities, and parameters.
Model Radar detail pages stay neutral and operator-readable: core metadata first, then workflow fit.
| Provider | Input modalities | text, audio, image, video, file | |
|---|---|---|---|
| Output modalities | text | Prompt price | $2.00 / 1M |
| Completion price | $12.00 / 1M | Request price | N/A |
| Context length | 1,048,576 | Max completion tokens | 65,536 |
| Supported parameters | include_reasoning, max_tokens, reasoning, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_p | ||
Best for
google/gemini-3.1-pro-preview-customtools
Google: 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...
Cross-modal work
Voice and audio
Long context
Coding workflows
new
vision
tool-capable
long-context
03 / Colophon
Routes and exits.
Each model page stays simple: overview, compare, related models, then back to the public hub.