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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 1 provider
API Pricing
Cheapest on Amazon AWS — 33% below avg| Provider | Input / 1M | Output / 1M |
|---|---|---|
| $1.50 | $7.50 | |
| $3.00 | $15.00 |
Prices updated daily. Last check: Sep 6, 2026
Claude 3.7 Sonnet pricing by provider
Input, output, and batch rates, plus alternatives, for one provider at a time.
Performance & Benchmarks
Source: Artificial Analysis →Intelligence
17.2 / 100
Math
21.0 / 100
Reasoning & Knowledge
- MMLU-Pro80.3%
- GPQA Diamond65.6%
- Humanity's Last Exam4.2%
Coding
- LiveCodeBench39.4%
Math
- AIME 202521.0%
- AIME22.3%
- MATH-50085.0%
Agentic & Tool Use
- Terminal-Bench Hard21.2%
- τ²-bench50.0%
Instruction & Long Context
- IFBench44.0%
- Long-Context Reasoning51.7%
Benchmarks measured Sep 2026. Scores are independent evaluations, not vendor-reported.
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
Strengths
- 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
Limitations
- 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.