Anthropic API (Claude API)

The Anthropic API gives developers access to Claude, one of the most capable large language models available.

What is the Anthropic API?

The Anthropic API allows you to integrate Claude into your applications. Build chatbots, content generators, code assistants, and more using Claude’s capabilities.

Available Models

Claude 3.5 Sonnet

• Best balance of speed and capability
• Ideal for most applications
• $3/million input, $15/million output tokens

Claude 3 Opus

• Most capable model
• Best for complex reasoning
• $15/million input, $75/million output tokens

Claude 3 Haiku

• Fastest model
• Best for simple tasks
• $0.25/million input, $1.25/million output tokens

Key Features

Massive Context

200,000 tokens means you can:

• Process entire codebases
• Analyze long documents
• Maintain extended conversations

Tool Use

Claude can use tools:

• Call functions
• Access databases
• Execute code
• Interact with APIs

Vision

Analyze images:

• Understand diagrams
• Read documents
• Describe photos

Getting Started

import anthropic

client = anthropic.Anthropic()
message = client.messages.create(
    model="claude-3-5-sonnet-20241022",
    max_tokens=1024,
    messages=[
        {"role": "user", "content": "Hello, Claude"}
    ]
)
print(message.content)

Pricing

Best Use Cases

Enterprise Applications

Build production-grade AI features with reliable infrastructure.

Content Generation

Create high-quality written content at scale.

Code Assistance

Power coding tools with Claude’s strong programming abilities.

Document Analysis

Process and understand large documents.

API vs ChatGPT Plus