📄 中文摘要
开源AI项目在2024年取得了显著胜利，质量差距大幅缩小，许多情况下开源解决方案甚至优于闭源产品。用户可以控制数据，避免按座位计费，并且可以进行全面定制。此外，开源社区的更新速度往往快于企业。文章列出了五个能够替代SaaS订阅的开源AI项目，其中包括Perplexica，这是一款支持引用的AI搜索工具，用户可以自托管以确保搜索隐私，并且该工具与多个大型语言模型后端兼容，永久免费。通过这些开源替代方案，用户可以节省大量费用，提升工作效率。
2025年将取代您的SaaS订阅的5个开源AI项目
📄 English Summary
5 Open Source AI Projects That Will Replace Your SaaS Subscriptions in 2025
Open source AI projects achieved significant victories in 2024, with the quality gap between open and closed source solutions greatly narrowing. In many cases, open source alternatives are superior, allowing users to control their data, avoid per-seat pricing, and customize solutions extensively. Furthermore, the pace of innovation in the open source community often surpasses that of corporations. The article highlights five open source AI projects that can replace SaaS subscriptions, including Perplexica, an AI-powered search tool with citations that can be self-hosted for privacy. It is compatible with multiple large language model backends and is free forever. These alternatives enable users to save substantial costs and enhance productivity.