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Google

Cheap Gemini 3.1 Pro Preview Customtools API

Gemini 3.1 Pro is Google's frontier tier for complex pipelines, engineering and agent reliability — long context and multimodality included. Through cheapai it's available via an OpenAI-compatible API from $0.47/1M per 1M tokens, roughly 77% cheaper than Google's official price. No VPN, pay in ₽, USDT or by card, and it works out of the box with Cursor, Claude Code, Cline and any OpenAI SDK.

$0.47
our price / 1M
$2.00
Google
−77%
savings
Input / 1M$0.47
Output / 1M$2.80
Cache read / 1M$0.05

What it's good for

How to connect Gemini 3.1 Pro Preview Customtools

  1. 1. Register and top up: cheapai.io/register
  2. 2. Create an API key: cheapai.io/keys
  3. 3. Point your tool to our API:
Base URL:  https://cheapai.io/v1
API key:   sk-...  (from /keys)
Model:     gemini-3.1-pro-preview-customtools

Works with Cursor, Claude Code, Cline, Codex and any OpenAI-compatible SDK. Setup guides →

FAQ

How much does Gemini 3.1 Pro Preview Customtools cost via cheapai?

$0.47/1M per 1M tokens for input, $2.80/1M for output — about 77% below Google's official price.

How do I connect Gemini 3.1 Pro Preview Customtools?

Point your tool's base URL to https://cheapai.io/v1, create an API key at cheapai.io/keys, and use model "gemini-3.1-pro-preview-customtools". It works with Cursor, Claude Code, Cline and any OpenAI-compatible SDK.

Do I need a VPN?

No — cheapai works without a VPN and takes ₽, USDT and cards.

Start using Gemini 3.1 Pro Preview Customtools — cheaper, no VPN

From $0.47/1M · pay in ₽, USDT or by card

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