Anthropic's new Claude Sonnet 4 model, now available on the ElevenLabs platform, offers significant advancements in conversational AI, enabling more sophisticated, intuitive, and responsive voice experiences. Designed to handle complex, multi-turn interactions, Sonnet 4 excels in instruction following, maintaining context over longer dialogues, and reliably using tools to interact with external systems, making it ideal for developing dynamic and efficient voice agents. It addresses key challenges in voice AI by combining speed and intelligence, allowing for real-time conversations without compromising on performance. This facilitates the creation of truly conversational applications capable of managing real-world tasks smoothly, enhancing user engagement, and reducing the need for elaborate workarounds, ultimately leading to more natural, personalized user experiences. The model is easily accessible through the ElevenLabs platform, enabling developers to deploy it with minimal effort and start building advanced voice agents immediately.