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ChatGPT alternatives · AI Assistants

Alternatives to ChatGPT with a one-time purchase

The ChatGPT listing shows no one-time purchase. 6 of the 57 other AI assistants in this directory can be bought with a one-time purchase.

ChatGPT has a free plan. Paid plans start at $8 per month (Go). 3 of them are free or have a free plan.

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

How each one differs from ChatGPT

  1. Alter

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

    • Alter starts at $29 per year (Local+), or $3.50 billed monthly. ChatGPT starts at $8 per month (Go).
    • Only ChatGPT lists a web app.
    • Only ChatGPT lists Windows, iOS and Android apps.
    • Alter can be bought with a one-time purchase.
    Alter vs ChatGPTAlter pricing and details

  2. TypingMind

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

    • TypingMind starts at $39 one-time (Standard lifetime license). ChatGPT starts at $8 per month (Go).
    • Only ChatGPT lists macOS, Windows, 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

  3. Msty

    Private AI workspace for local and online models

    • Msty starts at $149 per user / year (Aurum), or $349 one-time (Aurum Lifetime). ChatGPT starts at $8 per month (Go).
    • Only Msty lists a Linux app.
    • Only ChatGPT lists iOS and Android apps.
    • Msty can be bought with a one-time purchase.
    Msty pricing and details

  4. BoltAI

    Native Mac AI client that runs on your own API keys

    • BoltAI starts at $79 one-time (Essential, 1 device, one year of updates). ChatGPT starts at $8 per month (Go).
    • ChatGPT has a free plan. BoltAI does not, though it has a free trial.
    • Only ChatGPT lists a web app.
    • Only ChatGPT lists Windows and Android apps.
    BoltAI 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). ChatGPT starts at $8 per month (Go).
    • ChatGPT has a free plan. Private LLM does not.
    • Only ChatGPT lists a web app.
    • Only ChatGPT lists Windows and Android apps.
    Private LLM pricing and details

  6. Fluent

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

    • Fluent starts at $49 one-time (Basic, 1 Mac, lifetime upgrades). ChatGPT starts at $8 per month (Go).
    • ChatGPT has a free plan. Fluent does not, though it has a free trial.
    • Only ChatGPT lists a web app.
    • Only ChatGPT lists Windows, iOS and Android apps.
    Fluent pricing and details

Common questions

Is there an alternative to ChatGPT that you buy once?

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

Can you buy ChatGPT once instead of subscribing?

The ChatGPT listing shows no one-time purchase. The listing was checked on Oct 4, 2026 against the pages it cites.

Which of these AI assistants are free?

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

When was this checked?

Each listing shows its own date. On this page they run from Oct 4, 2026 to Oct 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 ChatGPT: the alternatives its listing names first, then the tools that share the most features with it.