Gemini 3 Pro Preview - AnyFast

Key capabilities
Quick example
Parameters

Gemini 3 Pro Preview is Google’s advanced language model, available through AnyFast via the native Gemini API. It excels at complex reasoning, coding, writing, and analysis with thinking capabilities.

Key capabilities

Native Gemini API — Uses Google’s native API format for full feature access
Thinking mode — Supports thinking configuration for enhanced reasoning
Multi-turn conversations — Handles complex dialogue with system instructions
Safety settings — Configurable content safety filters

Quick example

curl "https://www.anyfast.ai/v1beta/models/gemini-3-pro-preview:generateContent?key=YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "contents": [
      {
        "role": "user",
        "parts": [{ "text": "Explain quantum computing in simple terms." }]
      }
    ],
    "generationConfig": {
      "temperature": 1,
      "topP": 1
    }
  }'

Parameters

Parameter	Type	Required	Description
`key`	string	Yes	API key (query parameter)
`contents`	array	Yes	Array of `{ role, parts }` objects
`systemInstruction`	object	No	System instruction with `parts` array
`generationConfig.temperature`	float	No	`0`–`2`. Controls randomness. Default: `1`
`generationConfig.topP`	float	No	Nucleus sampling threshold. Default: `1`
`generationConfig.thinkingConfig`	object	No	Thinking mode configuration

API Reference

View the interactive API playground for Gemini 3 Pro Preview.

Gemini 3.1 Flash Lite Preview Gemini 3 Pro Preview (Stream)