AI · alternatives · 2026

24 alternatives to Free GPT-4

New free IA based on 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. Free GPT-4 launched in 2023; newer entries below may have overtaken it.

1. 1
   GPT-500▲95

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

   2023 · its alternatives →

2. 2
   IdeaGPT▲100

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

   2023 · its alternatives →

3. 3
   ChatGPT4o▲59

   Free Chat GPT 4o (GPT-4o)

   2024 · its alternatives →

4. 4
   GPT‑5.4▲475

   OpenAI's most efficient model: less tokens, more clarity

   Mar 2026 · openai.com · 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
   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 →

7. 7
   iideaGPT▲81

   100+ new AI business ideas people built using ChatGPT

   2023 · its alternatives →

8. 8
   GPT4oMini.app▲150

   Free ChatGPT4o-Mini client

   2024 · its alternatives →

9. 9
   AI Math Solver by GPT-4o Free Online▲187

   Solve math problems instantly with step-by-step solutions

   2024 · its alternatives →

10. 10
    2.0 Helper-AI▲94

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

    2023 · its alternatives →

11. 11
    PastaGPT▲70

    Enhance the taste of your pasta with AI

    2023 · its alternatives →

12. 12
    Help.AI▲68

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

    2023 · its alternatives →

13. 13
    GPT-Zero▲22

    Free AI Content Detector for ChatGPT, GPT-4, & More

    2024 · its alternatives →

14. 14
    Idea-GPT▲5

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

    2023 · its alternatives →

15. 15
    GPT4o Chat▲9

    All-in-One AI Tool Online Free

    2024 · its alternatives →

16. 16
    Echo AI▲105

    AI chat note powered by GPT-4

    2023 · its alternatives →

17. 17
    GPT-4o Tools For Free▲3

    a free AI chat website based on GPT-4o technology.

    2024 · its alternatives →

18. 18
    Helper-AI 3▲17

    Instant access GPT-4 + source code

    2023 · its alternatives →

19. 19
    Chat AI GPT▲4

    Unlimited Free Chat GPT

    2024 · its alternatives →

20. 20
    GPT4Free▲6

    ChatGPT without APIs, logins, or restrictions

    2024 · its alternatives →

21. 21
    AI Answer Generator▲9

    Ask Questions, Get Answers. Free, No Signup, GPT 4

    2024 · its alternatives →

22. 22
    Free GPT-4 On Site▲3

    Use GPT-4 on any site + ownership & source code of AI

    2023 · its alternatives →

23. 23
    Instant-GPT▲30

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

    2023 · its alternatives →

24. 24
    ChatGPT5.so: Free GPT‑5 Online▲12

    Free using ChatGPT5 Online With ChatGPT5.so

    2025 · 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 →