Gemini 3.1 Pro Preview Customtools API Pricing & Quick Start
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...
Pricing
💱 USD/NTD = 32.38 · before tax · updated 07/30/2026
Technical specifications
Quick Start
Use Gemini 3.1 Pro Preview Customtools via BazaarLink API — just change the base_url:
from openai import OpenAI
client = OpenAI(
base_url="https://bazaarlink.ai/api/v1",
api_key="sk-bl-YOUR_API_KEY",
)
response = client.chat.completions.create(
model="google/gemini-3.1-pro-preview-customtools",
messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://bazaarlink.ai/api/v1",
apiKey: "sk-bl-YOUR_API_KEY",
});
const response = await client.chat.completions.create({
model: "google/gemini-3.1-pro-preview-customtools",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);Why use Gemini 3.1 Pro Preview Customtools via BazaarLink?
- ✓USD billing (TWD-quoted) + unified invoices — no foreign credit card needed for Taiwan teams
- ✓OpenAI-compatible API — zero code changes required
- ✓Automatic failover — multi-provider redundancy for the same model
- ✓Chinese-language support — local team, instant help
Frequently Asked Questions
What is Gemini 3.1 Pro Preview Customtools?
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...
How much does the Gemini 3.1 Pro Preview Customtools API cost?
Gemini 3.1 Pro Preview Customtools costs $2.0000 per 1M input tokens and $12.0000 per 1M output tokens when accessed through BazaarLink.
How do I use Gemini 3.1 Pro Preview Customtools with the OpenAI SDK?
Set base_url to "https://bazaarlink.ai/api/v1" and use model ID "google/gemini-3.1-pro-preview-customtools". All OpenAI SDK methods (chat.completions, embeddings, streaming) work without code changes.
What is the context window for Gemini 3.1 Pro Preview Customtools?
Gemini 3.1 Pro Preview Customtools supports a context window of 1,048,576 tokens.
Is Gemini 3.1 Pro Preview Customtools available for free?
Gemini 3.1 Pro Preview Customtools is a paid model. BazaarLink offers free trial credits on registration so you can test it without a credit card.
Relay integrity checks
No integrity-check data is available for this model yet.
BazaarLink Probe verifies endpoints that claim to serve this model and flags behavior that differs from the reference baseline.
View the full integrity report →Related models and links
More from this provider: Google