Claude 3 Sonnet is a large language model developed by Anthropic, serving as the mid-tier offering within the Claude 3 model family. Released on March 4, 2024, it is engineered to provide a balance of intelligence and speed, making it suitable for enterprise workloads that require high throughput, such as data processing, sales forecasting, and code generation. The model supports a 200,000-token context window and possesses multimodal capabilities, allowing it to analyze and interpret visual data including charts, technical diagrams, and photographs. Sonnet is built using Constitutional AI, a training framework designed to align the model with human-defined safety and ethical principles. It demonstrates improved performance over its predecessors in complex instruction following and nuanced content creation.