LLM Reference
Anthropic

Using Claude 3.7 Sonnet on Anthropic

Implementation guide · Claude 3.7 · Anthropic

Serverless

Quick Start

  1. 1
    Create an account at Anthropic and generate an API key.
  2. 2
    Use the Anthropic SDK or REST API to call claude-3-7-sonnet — see the documentation for request format.

Code Examples

Install
pip install anthropic
API key
ANTHROPIC_API_KEY
Model ID
claude-3-7-sonnet

Use the versioned model ID, e.g. "claude-sonnet-4-6" or "claude-opus-4-7-20251101".

import anthropic

client = anthropic.Anthropic()  # reads ANTHROPIC_API_KEY from env
message = client.messages.create(
    model="claude-3-7-sonnet",
    max_tokens=1024,
    messages=[{"role": "user", "content": "Hello"}]
)
print(message.content[0].text)

About Anthropic

Creator of Claude AI models, accessed via the Anthropic API and the Anthropic Console (console.anthropic.com). The Console hosts the Workbench prompt playground, API keys, usage analytics, and team billing.

Anthropic is a safety-focused AI research company and creator of the Claude model family, offering API access through the Anthropic Console for text generation, analysis, and coding tasks.

Pricing on Anthropic

Capabilities

VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode Execution

About Claude 3.7 Sonnet

Claude 3.7 Sonnet is Anthropic's advanced model with extended thinking capabilities, offering state-of-the-art reasoning for complex tasks.

Model Specs

Released2024-03-04
Context200k
ArchitectureDecoder Only
Knowledge cutoff2024-11

Provider

Anthropic
Anthropic

San Francisco, California, United States