Claude Sonnet 4.5
Anthropic's smartest and most efficient model for everyday use
Developer
Anthropic
Release Date
September 29, 2025
Pricing
Paid
Key Features
Use Cases
Content Creation
Perfect for content creation applications
Data Analysis
Perfect for data analysis applications
Programming
Perfect for programming applications
Research
Perfect for research applications
Customer Support
Perfect for customer support applications
Education
Perfect for education applications
API Available
Integrate Claude Sonnet 4.5 into your applications
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