Claude Sonnet 4.5
Anthropic
The Claude Sonnet 4.5 AI model by Anthropic offers developers a powerful tool with a 200,000 token context window and advanced reasoning capabilities. With support for text input, vision, and function calling, this model is ideal for a wide range of applications requiring complex language understanding and multimodal processing. Priced at $3/M input and $15/M output tokens, this model sets a new standard for AI development.
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
- Anthropic
- Release Date
- September 29, 2025
- Advanced Reasoning
- Supported
- Supported Input Types
- text, image