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Pi alternatives · AI Assistants

Alternatives to Pi with a one-time purchase

The Pi listing shows no one-time purchase. 6 of the 87 other AI assistants in this directory can be bought with a one-time purchase.

Pi is free to use. 3 of them are free or have a free plan.

6 tools · Listings checked up to Nov 9, 2026 · Where the facts come from

How each one differs from Pi

  1. TypingMind

    Chat interface for AI models that runs on your own API keys

    • TypingMind starts at $39 one-time (Standard lifetime license). Pi is free.
    • Only Pi lists iOS and Android apps.
    • TypingMind is self-hostable, according to its own site.
    • TypingMind can be bought with a one-time purchase.
    TypingMind pricing and details

  2. Msty

    Private AI workspace for local and online models

    • Msty starts at $149 per user / year (Aurum), or $349 one-time (Aurum Lifetime). Pi is free.
    • Only Msty lists macOS, Windows and Linux apps.
    • Only Pi lists iOS and Android apps.
    • Msty can be bought with a one-time purchase.
    Msty pricing and details

  3. BoltAI

    Native Mac AI client that runs on your own API keys

    • BoltAI starts at $99 one-time (Pro, 2 desktop devices + 1 mobile, one year of updates). Pi is free.
    • Pi has a free plan. BoltAI does not, though it has a free trial.
    • Only BoltAI lists a macOS app.
    • Only Pi lists a web app.
    BoltAI pricing and details

  4. Alter

    Voice-driven Mac AI assistant that reads on-screen context

    • Alter starts at $29 per year (Local+), or $3.50 billed monthly. Pi is free.
    • Only Alter lists a macOS app.
    • Only Pi lists a web app.
    • Only Pi lists iOS and Android apps.
    Alter pricing and details

  5. Private LLM

    Offline AI chat app for iPhone, iPad and Mac with a one-time price

    • Private LLM starts at $4.99 one-time (US App Store). Pi is free.
    • Pi has a free plan. Private LLM does not.
    • Only Private LLM lists a macOS app.
    • Only Pi lists a web app.
    Private LLM pricing and details

  6. Fluent

    Mac AI assistant that opens over any app with your own models

    • Fluent starts at $29 one-time (Basic with 1 year of upgrades, 1 Mac). Pi is free.
    • Pi has a free plan. Fluent does not, though it has a free trial.
    • Only Fluent lists a macOS app.
    • Only Pi lists a web app.
    Fluent pricing and details

Common questions

Is there an alternative to Pi that you buy once?

Yes. TypingMind, Msty, BoltAI, Alter, Private LLM and Fluent can be bought with a one-time purchase.

Can you buy Pi once instead of subscribing?

The Pi listing shows no one-time purchase. The listing was checked on Oct 5, 2026 against the pages it cites.

Which of these AI assistants are free?

TypingMind, Msty and Alter are free or have a free plan.

When was this checked?

Each listing shows its own date. On this page they run from Oct 5, 2026 to Nov 9, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Pi: the alternatives its listing names first, then the tools that share the most features with it.