Claude Sonnet 4.5 is Anthropic’s latest AI model in the Claude 4 family, designed to balance speed and intelligence. Compared to the flagship Claude 4.5, Sonnet is lighter and faster, making it ideal for real-time applications such as chatbots, customer support, and enterprise knowledge assistants. It delivers strong performance in text generation, comprehension, and creative writing while keeping latency low. Sonnet 4.5 also inherits Anthropic’s focus on safety and alignment, producing reliable and contextually appropriate outputs. This makes it a practical choice for organizations seeking efficiency without compromising quality or trustworthiness.