FlagshipAnthropic

Claude 3.7 Sonnet

Claude 3.7 Sonnet is Anthropic's flagship multimodal model with advanced reasoning capabilities, supporting text and image inputs with a 200K token context window.

Context 200K
Tier Flagship
Modalities text, image
Input from
$1.50 / 1M tokens
across 3 providers

API Pricing

Cheapest on Amazon AWS 43% below avg
ProviderInput / 1MOutput / 1MUpdated
$1.50$7.504/14/2026
$3.00$15.004/14/2026
$3.00$0.0154/6/2026
$3.00$15.004/14/2026

Prices updated daily. Last check: 4/14/2026

Model Details

General

Creator
Anthropic
Family
Sonnet
Tier
Flagship
Context Window
200K
Modalities
Text, Image

Capabilities

Tool Calling
No
Open Source
No
Aliases
claude-3-7-sonnet:thinking

Strengths & Limitations

  • 200,000 token context window supports processing of lengthy documents and extended conversations
  • Multimodal capabilities with support for both text and image inputs
  • Flagship-tier model designed for complex reasoning and analysis tasks
  • Built on Anthropic's constitutional AI framework for helpful, harmless, and honest responses
  • Handles sophisticated document analysis and visual content interpretation
  • Maintains context effectively across long conversations and complex workflows
  • Designed for high-accuracy applications where precision is critical
  • No tool calling support limits integration with external APIs and functions
  • Proprietary model with no open-source weights available
  • Higher computational requirements typical of flagship-tier models
  • Limited to text and image modalities without audio or video support
  • Performance benchmarks show zero output tokens per second in available data

Key Features

200K token context window
Text and image input processing
Multimodal document analysis
Extended conversation memory
Visual content interpretation
Long-form text generation
Complex reasoning capabilities
Constitutional AI safety framework

About Claude 3.7 Sonnet

Claude 3.7 Sonnet is Anthropic's flagship model in the Sonnet family, representing the company's most advanced offering for complex reasoning and multimodal tasks. This model builds upon Anthropic's constitutional AI approach and positions itself at the top tier of the Sonnet lineup for demanding applications requiring sophisticated analysis and generation capabilities. The model features a 200,000 token context window and supports both text and image inputs, enabling it to process lengthy documents, analyze visual content, and maintain context across extended conversations. Claude 3.7 Sonnet is designed for tasks requiring deep reasoning, complex analysis, and nuanced understanding of both textual and visual information. As a flagship model, Claude 3.7 Sonnet competes with other top-tier offerings in the market and is typically deployed for applications where accuracy and sophisticated reasoning are prioritized over speed or cost considerations. The model serves users who need reliable performance on challenging tasks that benefit from its expanded context window and multimodal capabilities.

Common Use Cases

Claude 3.7 Sonnet is designed for demanding applications that require sophisticated reasoning and analysis capabilities. Its large context window makes it suitable for processing lengthy documents, conducting comprehensive research analysis, and maintaining context in extended conversations or multi-step workflows. The multimodal capabilities enable use cases involving document analysis with embedded images, visual content interpretation, and tasks requiring understanding of both textual and visual information. As a flagship model, it's particularly well-suited for professional applications where accuracy and nuanced understanding are more important than speed, including legal document review, academic research, complex content creation, and detailed technical analysis.

Frequently Asked Questions

How much does Claude 3.7 Sonnet cost per million tokens?

Claude 3.7 Sonnet pricing varies by provider and usage patterns. Check the pricing table above for current rates across all available providers and pricing tiers.

What is Claude 3.7 Sonnet best used for?

Claude 3.7 Sonnet excels at complex reasoning tasks, lengthy document analysis, and multimodal applications involving both text and images. Its 200K context window makes it particularly effective for extended research, comprehensive document review, and tasks requiring sustained context across long conversations.

Does Claude 3.7 Sonnet support tool calling and function execution?

No, Claude 3.7 Sonnet does not support tool calling or function execution capabilities. Users requiring integration with external APIs or automated function calls would need to consider alternative models or implement workarounds through their application logic.