gemini-3.1-pro-preview

2026-02-22
Chat, Reasoning, Vision
By Gemini
Top Tier

Input: ￥16.00 / M tokens Output: ￥96.00 / M tokens
Features: Function Calling, Image Input, Reasoning, Streaming, Structured Outputs, Text Input, Text Output, Web Search
Context Window: 1M
Maximum Output: 64K

Input: ￥16.00 / M tokens Output: ￥96.00 / M tokens
Features: Function Calling, Image Input, Reasoning, Streaming, Structured Outputs, Text Input, Text Output, Web Search
Context Window: 1M
Maximum Output: 64K

Model Description

Gemini 3.1 Pro Preview is designed to enhance the performance and reliability of the Gemini 3 Pro series, offering superior reasoning capabilities, higher token efficiency, and a more realistic and factually consistent experience. It is optimized for software engineering behaviors and usability, and also for agent workflows that require precise tool usage and reliable execution of multi-step operations in real-world domains.

🔔How to Use

graph LR A("Purchase Now") --> B["Start Chat on Homepage"] A --> D["Read API Documentation"] B --> C["Register / Login"] C --> E["Enter Key"] D --> F["Enter Endpoint & Key"] E --> G("Start Using") F --> G style A fill:#f9f9f9,stroke:#333,stroke-width:1px style B fill:#f9f9f9,stroke:#333,stroke-width:1px style C fill:#f9f9f9,stroke:#333,stroke-width:1px style D fill:#f9f9f9,stroke:#333,stroke-width:1px style E fill:#f9f9f9,stroke:#333,stroke-width:1px style F fill:#f9f9f9,stroke:#333,stroke-width:1px style G fill:#f9f9f9,stroke:#333,stroke-width:1px

Purchase Now

Start Chat on Homepage

Enter Key

Read API Documentation

Enter Endpoint & Key

Start Using

Recommend Models

claude-opus-4-6