AI · alternatives · 2026

24 alternatives to GPT-500

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

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. GPT-500 launched in 2023; newer entries below may have overtaken it.

1. 1
   IdeaGPT▲100

   100+ new AI startups people built using GPT-4 free

   2023 · its alternatives →

2. 2
   Idea-GPT▲5

   100+ New GPT-4 Product that making millions. FREE

   2023 · its alternatives →

3. 3
   iideaGPT▲81

   100+ new AI business ideas people built using ChatGPT

   2023 · its alternatives →

4. 4
   All GPTs▲425

   200+ custom GPTs in one directory

   2023 · its alternatives →

5. 5IR
   I Remade the Fake Google Gemini Demo, Except Using GPT-4 and It's Real▲434

   2023 · sagittarius.greg.technology · its alternatives →

6. 6
   1000+ GPT-4 Prompts▲514

   Use GPT-4 to save 100s of hours of manual work

   2023 · its alternatives →

7. 7
   GPT-100▲2

   GPT-4 API based 100 startups that making millions.

   2023 · its alternatives →

8. 8GE
   gpt-engineer – platform for devs to tinker with AI programming tools▲178

   Hello Hacker News community, Wanted to share a project I started working on during my spare time and was then discovered by many in the open source community last week. GPT Engineer’s mission: Be the open platform for devs to tinker with and build their personal code-generation toolbox. I believe it's key for us devs to engage in how building software can and will change. You can find more info about the flexible technical "philosophy" to make it work well, and the community we want it to become on github: https://github.com/AntonOsika/gpt-engineer The project is still in…

   2023 · its alternatives →

9. 9
   Auto-GPT▲198

   An Autonomous GPT-4 Experiment

   2023 · its alternatives →

10. 10
    100+ AI Startup Ideas▲271

    AI Startup Ideas you can build using ChatGPT, GPT3 & more

    2022 · its alternatives →

11. 11
    GPT-4.1 in the API▲375

    Announcing GPT-4.1, GPT-4.1 mini, & GPT-4.1 nano in the API

    2025 · its alternatives →

12. 12
    Product Prediction▲255

    I asked GPT-3 to guess what the top makers will build next

    2021 · its alternatives →

13. 13
    Help.AI▲68

    Write "HELP" and access GPT-4 on any site + source code

    2023 · its alternatives →

14. 14
    300+ GPT-4 Use Cases▲163

    Discover the potential possibilities using GPT-4

    2023 · its alternatives →

15. 15
    GPT Builder Tools by Top Road (YC W22)▲305

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

    2024 · its alternatives →

16. 16
    Secret-GPT▲83

    20 secret way to make money using GPT-4 + free

    2023 · its alternatives →

17. 17
    Instant-GPT▲30

    World's fastest way to access GPT-4 on any websites

    2023 · its alternatives →

18. 18
    Everyday with GPT-4▲227

    Get the most out of AI daily

    2023 · its alternatives →

19. 19
    2.0 Helper-AI▲94

    Just type "Help" and instant access GPT-4 + source code

    2023 · its alternatives →

20. 20
    ProGPTs▲105

    Promote and make money with your OpenAI GPTs.

    2023 · its alternatives →

21. 21
    ChatGPT for Work: The Interactive Course▲67

    Become better at ChatGPT than 99% of the population for free

    2023 · its alternatives →

22. 22
    GPTsdex▲149

    Discover 10,000+ custom GPTs and guides to craft your own

    2023 · its alternatives →

23. 23
    AI Studio▲87

    World's first ChatGPT4 powered video creator

    2023 · its alternatives →

24. 24
    GPT-Help▲4

    Use GPT-4 on any site + 100% Ownership of my AI

    2023 · 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 →