AI · alternatives · 2026

24 alternatives to CustomGPT.ai Researcher

AI article writer w/ deep research on your custom knowledge

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   CustomGPT▲537

   Build your own ChatBOT

   2023 · customgpt.ai · its alternatives →

2. 2
   ChatGPT Deep Research▲583

   Agent capable of doing deep research for you independently

   2025 · openai.com · its alternatives →

3. 3
   Blog Assistant▲187

   AI-writer: long-form, human-like & non-detectable articles

   2023 · its alternatives →

4. 4
   ResearchGPT▲236

   ChatGPT for Research: Find answers, draft content and search

   2023 · researchgpt.com · its alternatives →

5. 5
   AI Article Writer▲417

   Generate articles and blog posts in seconds with AI

   2021 · writesonic.com · its alternatives →

6. 6
   AI Article Writer 6.0▲644

   Factually accurate articles with citations, up to 5000 words

   2024 · writesonic.com · its alternatives →

7. 7
   GPT Researcher▲110

   Autonomous agent designed for comprehensive online research

   2023 · tavily.com · its alternatives →

8. 8
   FactGPT by LongShot AI▲272

   Think ChatGPT but personalized, real time, fact-checked

   2023 · longshot.ai · its alternatives →

9. 9
   AI Tool Finder GPT▲98

   Effortless AI tool discovery with natural language

   2023 · chatgpt.com · its alternatives →

10. 10
    Long Form SEO Article Writer - AI GPT▲1

    Generate structured optimized articles for Google NLP & SEO!

    2024 · webhobbies.gumroad.com · its alternatives →

11. 11
    DocGPT AI Writer for Docs▲66

    Transform your writing process with AI for Docs

    2023 · its alternatives →

12. 12
    Post BrAIner▲120

    Write articles in second with AI and rank #1 on Google

    2024 · its alternatives →

13. 13
    BrainstormGPT.ai▲105

    Enter a topic, get a brainstorm report by AI

    2023 · brainstormgpt.ai · its alternatives →

14. 14
    CustomGPT OS▲53

    Build An Army of Powerful AI Assistants in One Single Day

    2024 · customgptos.com · its alternatives →

15. 15
    Aify.co▲69

    New AI writing tools for bloggers and professionals

    2023 · aify.co · its alternatives →

16. 16
    WordRocket AI▲128

    Write high quality optimized blog posts using AI

    2024 · wordrocket.ai · its alternatives →

17. 17
    AssignmentGPT AI▲173

    Your AI writing assistant for success

    2023 · assignmentgpt.ai · its alternatives →

18. 18
    Pro Article Writer▲89

    Write outstanding articles in seconds

    2021 · texta.ai · its alternatives →

19. 19
    AuthorGPT▲124

    Turn your imagined world into a novel in minutes

    2023 · author.wordware.ai · its alternatives →

20. 20
    Writery AI▲85

    AI SEO writing generator to rewrite, summarize, paraphrase

    2023 · its alternatives →

21. 21
    ContGPT▲39

    Unlimited articles with AI

    2023 · contgpt.com · its alternatives →

22. 22
    ChatGPT for WordPress▲87

    GPT AI writer - like Notion AI but for WordPress

    2023 · shop.gutenberghub.com · its alternatives →

23. 23
    AI Blog Articles▲80

    Boost your website's traffic with SEO-optimized content

    2024 · getaiblogarticles.com · its alternatives →

24. 24
    Instant Answers▲88

    Custom ChatGPT with your data on your website

    2023 · retrobezel.com · 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 →