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Free Pi alternatives

7 Chat & Assistants tools like Pi with a free plan or open source code.

  1. 1M
    Microsoft CopilotFreemiumNo reviews yet

    Microsoft's everyday AI companion

    Pi vs Microsoft Copilot
  2. 2G
    GrokFreemiumNo reviews yet

    xAI's assistant with real-time X data

    Pi vs Grok
  3. 3C
    Character.AIFreemiumNo reviews yet

    Chat with AI characters

    Pi vs Character.AI
  4. 4C
    ChatGPTFreemiumNo reviews yet

    OpenAI's general-purpose AI assistant

    Why pick it: Very broad capability in one tool

    Pi vs ChatGPT
  5. 5C
    ClaudeFreemiumNo reviews yet

    Anthropic's AI assistant for thinking and work

    Why pick it: Strong writing quality and natural tone

    Pi vs Claude
  6. 6G
    GeminiFreemiumNo reviews yet

    Google's multimodal AI assistant

    Pi vs Gemini
  7. 7M
    Mistral Le ChatFreemiumNo reviews yet

    Fast multilingual assistant from Mistral AI

    Pi vs Mistral Le Chat