AI Atlasby Verbito
Explore › Free alternatives to paid AI apps

Free alternatives to Perplexity

These open-source projects do a similar job for free, though most need more setup.

  1. Get an AI second brain for your notes and the web
    ★ 38kstars
    khoj by khoj-ai · Free alternative to Perplexity, Notion AI
    Some setupSelf-hosted appHealthy
  2. Get a detailed research report on any topic
    ★ 30.5kstars
    gpt-researcher by assafelovic · Free alternative to ChatGPT Deep Research, Perplexity
    Some setupSelf-hosted appHealthy
  3. Research and write with a private NotebookLM alternative
    ★ 16.8kstars
    SurfSense by MODSetter · Free alternative to NotebookLM, Perplexity
    Some setupSelf-hosted appHealthy