Gemini 3.1 Pro Preview Custom Tools
GoogleGemini 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...
In
$2.00
Out
$12.00
Blended
$4.50
Where to buy this model
1 access routes| Route | In | Out | Blended | vs |
|---|---|---|---|---|
| ● Google AI Studio cheapest | $2.00 | $12.00 | $4.50 | - |
● official API · ● cloud platform · ● inference host · USD per 1M tokens. Same model, different providers - price and quantization vary.
- Ctx
- 1.048576M
- max output
- 66K
- cache read /1M
- $0.20
- Family
- gemini
- Modalities
- text · audio · image · video · file
- Features
- json · reasoning · tools
Live pricing, updated 2026-11-03.
Google models at a similar price
| Model | In | Out | Ctx |
|---|---|---|---|
| Nano Banana 2.1 | $1.5 | $7.5 | 66K |
| Gemini 3.5 Flash | $1.5 | $9 | 1.048576M |
| Gemini 2.5 Pro | $1.25 | $10 | 1.048576M |
| Gemini 4 Argon | $2 | $10 | 1.048576M |
| Gemini 3.1 Pro Preview | $2 | $12 | 1.048576M |
| Gemini 3.1 Pro Preview Custom Tools · this model | $2 | $12 | 1.048576M |