9 Best Open Source Perplexity Alternatives
A curated collection of the 9 best open source and self-hosted alternatives to Perplexity in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Perplexity in 2026? The top open-source alternative is Open WebUI — Self-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control..
Other highly rated open-source Perplexity alternatives include AnythingLLM, LibreChat and Khoj.
Self-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control.
Self-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control.
A desktop and self-hostable AI app for chatting with documents, running local LLMs, and using AI agents without writing code or creating an account.
A desktop and self-hostable AI app for chatting with documents, running local LLMs, and using AI agents without writing code or creating an account.
Chat with multiple AI providers through a single self-hostable interface, with support for custom agents, file uploads, plugins, and multi-user access control.
Chat with multiple AI providers through a single self-hostable interface, with support for custom agents, file uploads, plugins, and multi-user access control.
Self-hostable AI assistant that connects to your docs and the web, lets you build agents, schedule automations, and run research with verifiable citations.
Self-hostable AI assistant that connects to your docs and the web, lets you build agents, schedule automations, and run research with verifiable citations.
Letta is an open-source platform for creating AI agents with built-in memory, reasoning, and support for thousands of tools.
Letta is an open-source platform for creating AI agents with built-in memory, reasoning, and support for thousands of tools.
Self-hostable NotebookLM alternative that lets teams build searchable knowledge bases from diverse sources, with support for any LLM and no data limits.
Self-hostable NotebookLM alternative that lets teams build searchable knowledge bases from diverse sources, with support for any LLM and no data limits.
Scira delivers concise, AI-generated responses to queries using a clean interface and powerful search capabilities.
Scira delivers concise, AI-generated responses to queries using a clean interface and powerful search capabilities.
Open-source answer engine that dynamically generates UI components while providing AI-powered responses, combining conversational AI with interactive interfaces.
Open-source answer engine that dynamically generates UI components while providing AI-powered responses, combining conversational AI with interactive interfaces.
About Perplexity
An AI-powered answer engine that provides accurate, trusted, and real-time answers to any question.