AI · alternatives · 2026

24 alternatives to GPT Login

Authentication layer for GPT

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. GPT Login launched in 2023; newer entries below may have overtaken it.

1. 1
   GPT Auth▲402

   Authentication for GPTs on GPT store

   2024 · its alternatives →

2. 2
   GPTAuth™▲8

   Control access to your custom GPT

   2023 · its alternatives →

3. 3
   PayMeForMyAI▲167

   Build and monetize GPT Bots without code

   2024 · its alternatives →

4. 4
   All GPTs▲425

   200+ custom GPTs in one directory

   2023 · allgpts.co · its alternatives →

5. 5
   GPT Builder Tools by Top Road (YC W22)▲294

   Monetise your GPTs with in-chat payments in the OpenAI Store

   2024 · gptbuilder.tools · its alternatives →

6. 6
   GPTGuard▲286

   Keep your ChatGPT conversations secure and private

   2024 · gptguard.ai · its alternatives →

7. 7
   PrivateGPT▲452

   Your offline personal AI assistant

   2023 · thesamur.ai · its alternatives →

8. 8
   Personal GPT▲87

   A private, on-device AI Chatbot for iOS and macOS

   2023 · privatellm.app · its alternatives →

9. 9
   Monetise Your GPT▲186

   Add Stripe checkout to your GPTs

   2024 · its alternatives →

10. 10
    MonoCloud for Startups▲167

    One identity layer for your customers, APIs, and agents

    Jul 2026 · monocloud.com · its alternatives →

11. 11
    Passage by 1Password▲236

    Frictionless security: auth & user management with passkeys

    2023 · 1password.com · its alternatives →

12. 12
    PrivacyGPT▲204

    Privacy firewall for ChatGPT prompts

    2023 · its alternatives →

13. 13
    GPTNext▲100

    The coolest ChatGPT experience, no login required

    2023 · its alternatives →

14. 14CE
    Customizable, embeddable Chat GPT based on your own documents▲271

    Hi Hacker News! My name is Bea, I built a site called Libraria that uses GPT to do a few things 1. Let you spin up multiple assistants based on your own documents. You can make it public, private, or protected. It has its own subdomain and landing page. 2. Respond in full markdown always, so it can output images, links, code, and more 3. Let you upload articles on the fly within the Chat, so you can ask it questions 4. Make it embeddable in your site with one line of code 5. Let you update it for fun / with your branding 5. Enable syncing for any URLs you let us scrape, so that you can…

    2023 · libraria.dev · its alternatives →

15. 15
    SuperTokens Passwordless▲173

    Fully flexible, open source auth in 15 minutes

    2022 · supertokens.com · its alternatives →

16. 16
    NFT Login▲76

    Use NFTs to authenticate users for your app

    2022 · its alternatives →

17. 17
    I made a self-hosted ChatGPT UI▲141

    An open-source ChatGPT app with a voice. Contribute to cogentapps/chat-with-gpt development by creating an account on GitHub.

    2023 · github.com · its alternatives →

18. 18AA
    Auth and analytics for your Custom GPT▲7

    2024 · gpt-auth.com · its alternatives →

19. 19LA
    LoginBox – Authentication, payments and memberships from a single box▲53

    2015 · loginbox.io · its alternatives →

20. 20
    GPT-500▲95

    500+ new & unique side projects people built using GPT-4

    2023 · pr1ncesingh.gumroad.com · its alternatives →

21. 21
    Free GPT API - No key required.▲5

    Bring Your AI Projects to Life Without Breaking the Bank!

    2024 · free-unoficial-gpt4o-mini-api-g70n.onrender.com · its alternatives →

22. 22CN
    ChatGPT, No Login Needed, Made with Official OpenAI API▲32

    2023 · chatgptbay.com · its alternatives →

23. 23
    Keyri▲127

    Turn your app into an ultrasecure authenticator

    2021 · its alternatives →

24. 24
    NocoAI▲97

    The only backend for your GPT application

    2023 · nocoai.io · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →