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Alternatives · AI Assistants

Pi alternatives

Pi compared with 5 alternatives: ChatGPT, Claude, Gemini, Meta AI and Microsoft Copilot.

Pi is free to use. All 5 alternatives are free or have a free plan.

5 tools · Listings checked up to Oct 5, 2026 · Where the facts come from

At a glance

ToolPriceFree planRuns on
PiThis toolFreeFreeWeb, iOS, Android
ChatGPTFree plan · from $8/moYesWeb, macOS, Windows, iOS, Android
ClaudeFree plan · from $17/moYesWeb, macOS, Windows, Linux, iOS, Android, Browser extension
GeminiFree plan · from $4.99/moYesWeb, macOS, Windows, iOS, Android
Meta AIFree plan · from $7.99/moYesWeb, iOS, Android
Microsoft CopilotFree plan · from $9.99/moYesWeb, macOS, Windows, iOS, Android

How each one differs from Pi

  1. ChatGPT

    OpenAI's general-purpose AI assistant for chat, images and voice

    • ChatGPT starts at $8 per month (Go). Pi is free.
    • Only ChatGPT lists macOS and Windows apps.
    • ChatGPT also covers AI search.
    • Pi also covers natural-language input.

    Suits: General-purpose help with writing, questions and brainstorming

    ChatGPT vs PiChatGPT pricing and details

  2. Claude

    Anthropic's AI assistant for writing, analysis and coding

    • Claude starts at $17 per month with an annual subscription ($200 billed up front). Pi is free.
    • Only Claude lists macOS, Windows and Linux apps.
    • Only Claude lists a browser extension.
    • Claude also covers AI search.
    • Pi also covers natural-language input.

    Suits: Writing, analysis and coding help in one assistant

    Claude vs PiClaude pricing and details

  3. Gemini

    Google's AI assistant, tied into Gmail, Docs and other Google apps

    • Gemini starts at $4.99 per month (Google AI Plus). Pi is free.
    • Only Gemini lists macOS and Windows apps.
    • Gemini also covers AI search.
    • Pi also covers natural-language input.

    Suits: People who already use Gmail, Docs, Drive and Google Calendar

    Gemini vs PiGemini pricing and details

  4. Meta AI

    Meta's free AI assistant across its apps, the web and AI glasses

    • Meta AI starts at $7.99 per month (Meta One Core). Pi is free.
    • Meta AI also covers AI search and research.
    • Pi also covers natural-language input.

    Suits: People who already use WhatsApp, Instagram, Messenger or Facebook

    Meta AI vs PiMeta AI pricing and details

  5. Microsoft Copilot

    Microsoft's AI assistant for chat, images and Microsoft 365 apps

    • Microsoft Copilot starts at $9.99 per month, or $99.99 per year (Microsoft 365 Personal). Pi is free.
    • Only Microsoft Copilot lists Windows and macOS apps.
    • Microsoft Copilot also covers AI search, AI agents and research.
    • Pi also covers natural-language input.

    Suits: People who already work in Word, Excel, PowerPoint and Outlook

    Microsoft Copilot vs PiMicrosoft Copilot pricing and details

Limits worth knowing in Pi

  • The app listings describe conversation only, with no mention of file analysis, image generation or coding tools.
  • The App Store listing shows English as the app's only language.
  • The App Store gives the app an 18+ age rating.
  • The listings cover iPhone, iPad and Android; no desktop app is listed, so on a computer Pi is used in a browser.
Pi pricing and details

Common questions

What are the alternatives to Pi?

The alternatives to Pi in this directory are ChatGPT, Claude, Gemini, Meta AI and Microsoft Copilot. Each one has a side-by-side comparison with Pi.

Is there a free alternative to Pi?

Yes. ChatGPT, Claude, Gemini, Meta AI and Microsoft Copilot have a free plan alongside paid ones.

Which Pi alternatives work on Windows?

The Pi listing does not include a Windows app. ChatGPT, Claude, Gemini and Microsoft Copilot list one.

Which Pi alternatives work on macOS?

The Pi listing does not include a macOS app. ChatGPT, Claude, Gemini and Microsoft Copilot list one.

When were these prices checked?

Each listing shows its own date. On this page they run from Oct 4, 2026 to Oct 5, 2026. Vendors change prices without notice, so confirm on their site before you buy.

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