Claude Sonnet 4
OpenRouter
The Claude Sonnet 4 AI model by OpenRouter offers developers a powerful tool with a context window of 200,000 tokens and advanced reasoning capabilities. With support for text input, vision, and function calling, this model is ideal for complex AI applications requiring deep understanding and multimodal analysis. The transparent pricing structure of $3/M input and $15/M output tokens makes it a cost-effective choice for projects demanding large-scale processing.
Key Specifications
Context Window
200K tokens
Max Output Tokens
64K tokens
Input Pricing
$3.00
per million tokens
Output Pricing
$15.00
per million tokens
Capabilities
- Text Generation
- Vision
- Function Calling
- Advanced Reasoning
- File Attachments
Additional Details
- Provider
- OpenRouter
- Release Date
- May 22, 2025
- Advanced Reasoning
- Supported
- Supported Input Types
- text, image