Alternatives

Products that do what GPT-4 Reverse Turing Test does

1. 1
   GPT-4▲1,161

   LLM that exhibits human-level performance

   2023 · openai.com

2. 2
   GPT-4.5▲511

   The largest and best model for chat yet in GPT family

   2025

3. 3IR
   I Remade the Fake Google Gemini Demo, Except Using GPT-4 and It's Real▲434

   2023 · sagittarius.greg.technology

4. 4
   GPT‑5.4▲475

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

   Mar 2026

5. 5
   Auto-GPT▲198

   An Autonomous GPT-4 Experiment

   2023

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

7. 7
   ChatGPT▲1,647

   Optimizing language models for dialogue

   2022 · chatgpt.com

8. 8G4
   GPT-4-powered web searches for developers▲1,401

   Hi HN, Today we’re launching GPT-4 answers on Phind.com, a developer-focused search engine that uses generative AI to browse the web and answer technical questions, complete with code examples and detailed explanations. Unlike vanilla GPT-4, Phind feeds in relevant websites and technical documentation, reducing the model’s hallucination and keeping it up-to-date. To use it, simply enable the “Expert” toggle before doing a search. GPT-4 is making a night-and-day difference in terms of answer quality. For a question like “How can I RLHF a LLaMa model”, Phind in Expert mode delivers a…

   2023 · phind.com

9. 9
   Essays by Paul Graham GPT▲367

   A tool for thinking — unrestrictive and full of surprises.

   2025

10. 10
    GPT-4 Vision Chatbot▲310

    Train AI chatbot on images and text

    2023

11. 11
    GPT-5.1 Instant and Thinking▲442

    Smarter, more conversational ChatGPT with new personalities

    Nov 2025

12. 12
    GPT-5 Codex▲358

    A version of GPT-5 better at agentic coding

    Sep 2025

13. 13
    Originality▲421

    ChatGPT AI content detector & a modern plagiarism checker

    2023

14. 14
    Autogpt by SamurAI▲678

    AutoGPT in the browser

    2023

15. 15
    GPT Computer Assistant▲655

    Create intelligence for your products

    2024 · gca.dev

16. 16
    GPT‑5.4 mini and nano▲267

    Fast and efficient models optimized for coding and subagents

    Mar 2026

17. 17
    Gamma AI▲252

    A new medium for presenting ideas, powered by GPT-4

    2023

18. 18
    GPT Reverser▲24

    Reveal any GPT's system prompt instantly

    2024

19. 19
    ChatGPT agent▲545

    Bridging research and action

    2025

20. 20
    gpt-realtime-1.5 by OpenAI▲304

    Tighter instruction adherence in speech agents

    Feb 2026

21. 21
    GPT-5.5 by OpenAI▲477

    OpenAI's smartest and most intuitive to use model yet

    Apr 2026

22. 22
    Buffup.AI▲466

    The AI assistant that knows what you need by GPT-4o

    2024

23. 23
    1000+ GPT-4 Prompts▲514

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

    2023

24. 24HV
    Humans vs AI – A/B testing GPT-3▲100

    2020 · vwo.com

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