Gemini 3.1 Pro Preview Custom Tools
Released 2026-02-25
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...
You send / 1M
$2.00
tokens in
It replies / 1M
$12.00
tokens out
Memory
1.05M
tokens it can read at once
Typical request
$0.0086
1,000 words in, 400 out
Data privacy
No training or retention: Unknown. Check the provider's terms before sending sensitive data.
Based on OpenRouter and Vercel AI Gateway data. Confirm terms with the provider before sending sensitive data.
What it can do
- Reads: text, audio, image, video, file
- Writes: text
- Reasoning: Yes
- Tool calling: Yes
- Longest reply: 66K tokens
- Repeated text is billed at $0.200 per 1M (prompt caching)
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- Nano Banana Pro (Gemini 3 Pro Image)Google · $2.00 in / $12.00 out per 1M
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Appears in
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