Claude 3.7 Sonnet

About Claude 3.7 Sonnet

Claude 3.7 Sonnet is Anthropic's enhanced Sonnet model, featuring improvements in reasoning, coding, and instruction following over Claude 3.5 Sonnet. The model delivers stronger performance across benchmarks while maintaining the balanced capability-to-cost ratio that made Sonnet popular. Claude 3.7 Sonnet excels at software development, achieving improved scores on coding benchmarks and demonstrating better understanding of complex codebases. It features an extended context window and enhanced vision capabilities. The model represents Anthropic's iterative improvement approach, refining capability based on real-world usage feedback. For developers seeking the latest Anthropic improvements without waiting for major version releases, Claude 3.7 Sonnet offers enhanced capability. It's particularly valuable for coding applications and scenarios requiring strong reasoning.

Model Specifications

💰 Real-World Cost Examples

Estimated monthly costs for common use cases

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🚀 Quick Start

Get started with Claude 3.7 Sonnet API

import anthropic

client = anthropic.Anthropic()

message = client.messages.create(
    model="anthropic/claude-3-7-sonnet-20250219",
    max_tokens=1024,
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)
print(message.content[0].text)

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