o3

Model Description

Our most powerful reasoning model with leading performance on coding, math, science, and vision

🔔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

Register / Login

Enter Key

Read API Documentation

Enter Endpoint & Key

Start Using

Description Ends

Recommend Models

claude-sonnet-4-5-20250929

Anthropic's Claude Sonnet 4.5 is a new frontier model excelling in programming, agentic tasks, and real-world computer usage, complemented by significant safety upgrades and new developer tools.

o4-mini-2025-04-16

Our faster, cost-efficient reasoning model delivering strong performance on math, coding and vision

claude-opus-4-20250514

Comprehensive introduction to Anthropic's newly released Claude 4 models, Opus 4 and Sonnet 4, highlighting their features, performance benchmarks, application scenarios, pricing, and availability. This report summarizes key differences between the models and discusses their integration with major platforms such as GitHub Copilot, emphasizing their advantages in coding, advanced reasoning, and ethical AI responses.