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DoorDash 构建 SafeChat：实时市场中的 AI 安全系统
原标题：Presentation: SafeChat: Building AI-Powered Safety Systems at Scale in a Real-Time Marketplace
AI 摘要
DoorDash 软件工程师 Bruna Pereira 在演讲中介绍了 SafeChat 系统，该系统用于实时市场平台中的 AI 安全检测。他们先收集数据训练小型分类器，快速过滤明显安全的消息，仅对少数消息调用 LLM 进行多维度评分，以平衡延迟和成本。该系统每天处理数百万条消息，确保平台安全。
以上摘要由 AI 生成，可能存在误差。事实请以原文为准。
正文节选
Transcript Bruna Pereira: I'm Bruna. I'm a software engineer at DoorDash. Today, I will take you on a story about a system that we built to solve a real safety problem in production, and when it worked, we threw it all away to build something even more powerful. By the end, I want to leave you with two things, how we built SafeChat at DoorDash, and one architectural pattern that you can take home and use at almost any AI use case that you have. I've been a software engineer at DoorDash for one-a
发布时间：2026-08-22 19:00
抓取时间：2026-08-22 19:28
来源机构：InfoQ