Sierra 构建跨电话、聊天和邮件的客户体验对话AI智能体。其理念是：未来的优秀客服团队中，一人每天审阅50个智能体升级的案例。产品围绕这一比率设计，帮助企业大规模提供一致、高质量的客户支持。
Sierra builds conversational AI agents for customer experience across phone, chat, and email. Built around a model where one human reviews fifty agent escalations per day, enabling scalable, consistent enterprise customer support. 📖 文章: /post/essential-ai-tools-for-developers