Perplexity

当然，Perplexity Perplexity 很棒。

但您考虑过这些开源替代方案吗？

它们是免费的，可自托管的，并由社区驱动。

自己检查一下： OpenWebUI  Open WebUI , LobeHub  LobeChat ,  AnythingLLM ,  LiteLLM ,  Khoj ,  Perplexica , Devs  𝐃𝐄𝐕𝐒 .

  1. 所以是 OpenWebUI Open WebUI

    AI聊天的用户友好界面

    ★ 125.2K LLM AI RAG Chatbot License: MIT

    一个可扩展、功能丰富且用户友好的自托管 WebUI，设计为完全离线运行。它支持各种 LLM 运行器，包括 Ollama 和兼容 OpenAI 的 API。

    Open WebUI Demo

  2. 所以是 LobeHub LobeChat

    开源、现代设计的人工智能聊天框架

    ★ 72.7K LLM AI RAG Chatbot License: Apache-2.0 (with a twist)

    一个开源的、现代设计的 ChatGPT/LLMs 用户界面/框架，支持语音合成、多模态和可扩展（函数调用）插件系统。

  3. 所以是 AnythingLLM

    您一直在寻找的多功能AI应用

    ★ 55.1K LLM AI RAG Chatbot License: MIT

    将任何文档、资源或内容转化为任何LLM在聊天时可以用作参考的上下文。

    聊天

  4. 所以是 LiteLLM

    代理服务器用于以OpenAI格式调用100多个LLM模型

    ★ 37.2K AI LLM License: MIT

    使用OpenAI格式调用所有LLM API [Bedrock、Huggingface、VertexAI、TogetherAI、Azure、OpenAI、Groq等]

    preview

  5. 所以是 Khoj

    Your AI second brain

    ★ 32.6K LLM AI RAG Chatbot License: AGPL-3.0

    Khoj is a personal AI app to extend your capabilities. It smoothly scales up from an on-device personal AI to a cloud-scale enterprise AI.

    preview

  6. 所以是 Perplexica

    AI驱动的搜索引擎

    ★ 29.1K LLM AI Chatbot License: MIT

    Perplexica是一个开源的人工智能搜索工具或搜索引擎，可以深入互联网寻找答案。受Perplexity AI启发，它是一个不仅可以搜索网页，还能理解你的问题的开源选项。它使用相似度搜索和嵌入等高级机器学习算法来优化结果，并提供带有引用来源的清晰答案。

    preview

  7. 所以是 Devs 𝐃𝐄𝐕𝐒

    Delegate complex tasks to a swarm of AI agents

    ★ 5 LLM AI RAG Chatbot License: MIT

    𝐃𝐄𝐕𝐒 is an open-source, browser-native platform that enables users to delegate complex tasks to a swarm of AI agents.

    preview

    Features

    Artificial Intelligence

    • 🤖 LLM provider independence: BYOK support for OpenAI, Anthropic, Google Gemini, Mistral, OpenRouter, Mistral AI, Hugging Face, Ollama, LM Studio and more.
    • 🧠 Local AI models: Run HuggingFace open models directly in your browser.
    • 💰 Traces & Cost tracking: LLM observability with real-time cost tracking and performance metrics.

    Swarm Intelligence

    • 🤖 AI Studio: Pre-built agents, custom agent builder.
    • 📝 Methodologies: 8D, A3, Agile, AOSTC, DMAIC, PDCA, Scrum, YOLO, and your own.
    • 🧠 Agent Memory: Agents learn and remember information from conversations with human review.
    • 🔧 Tools: Equip agents with capabilities like Wikipedia search, arXiv search, calculator or code tools.
    • 🎯 Intelligent orchestration: Automated multi-agent task coordination with validation.
    • 🎭 Hyper meta-prompting: Multi-layered prompt generation for dynamic task handling.
    • 👥 Dynamic team formation: Mimicking human organizational structures.

    Integrations

    • 🔗 Connectors: Integrations with Google Drive, Gmail, Calendar, Dropbox, Notion, Slack, Figma and more.
    • 🏪 Marketplace: Extensible platform with apps, agents, connectors, and tools.
    • 🎤 Meeting Bot: AI agents join Google Meet as real participants.

    Privacy

    • 🌐 Browser-native: The browser is the OS. Runs entirely in your browser, no server dependencies.
    • 🛡️ Privacy-first: All data stays on your device, no tracking, no cookies.
    • 🥷 Offline capable: Works without Internet connection after initial load.
    • 💾 Local Backup: Preserve your data with bidirectional sync to a local folder on your host, with human-readable Markdown files.

    User Experience

    • 📱 Mobile-first design: Optimized for touch and small screens.
    • 🌐 Multi-language support: Accessibility for global users.
    • 🔍 Global Search: Unified search across agents, conversations, tasks, and files.
    • 💄 Customizable: Tailor the platform to your specific needs.

    Collaboration

    • 🌐 Universal access: Web-based platform accessible from anywhere: https://devs.new
    • 🔄 P2P Sync: Cross-device synchronization with CRDT-based conflict resolution.
    • 🤝 Team collaboration: Peer-to-peer networking and sharing.
    • 📱 QR Code support: Easily share and access your platform configuration.