AI · alternatives · 2026

24 alternatives to Research AI

The best AI based Deep Research Platform

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier.

1. 1
   Sider 5.0: Deep Research with Wisebase▲1,358

   Mimic Human Research & Save Findings in AI Knowledge Base

   2025 · sider.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
   SciSpace Agent ▲521

   Only AI agent automating research with 150+ academic tools

   2025 · scispace.com · its alternatives →

4. 4
   Perplexity Deep Research▲788

   Save hours of time in-depth research and analysis

   2025 · perplexity.ai · its alternatives →

5. 5
   Gemini Deep Research Agent▲473

   The best research agent is open for devs

   Dec 2025 · blog.google · its alternatives →

6. 6
   Deep Paper▲4

   Intelligent AI Research Platform

   Jun 2026 · its alternatives →

7. 7
   Inquisite▲121

   The best way to research anything

   2024 · inquisite.ai · its alternatives →

8. 8
   Golden▲680

   Mapping human knowledge with AI

   2019 · golden.com · its alternatives →

9. 9
   OpenAI Universe▲328

   Platform for measuring and training AI agents

   2016 · its alternatives →

10. 10
    Google.ai▲413

    Bringing the benefits of AI to everyone

    2017 · google.com · its alternatives →

11. 11
    AI research creator▲138

    AI that writes your research questions for you

    2025 · ballparkhq.com · its alternatives →

12. 12
    CustomGPT.ai Researcher▲157

    AI article writer w/ deep research on your custom knowledge

    2025 · researcher.customgpt.ai · its alternatives →

13. 13
    Research AI▲111

    Write essays faster & better with AI

    2021 · its alternatives →

14. 14
    Building a Deep Research Agent Using MCP-Agent▲91

    Learn how MCP-Agent powers Deep Research Agents with simple orchestration, external memory, and scalable workflows. Open-source on GitHub.

    2025 · thealliance.ai · its alternatives →

15. 15
    Innogath▲81

    Turn deep research into a navigable book + graph

    Apr 2026 · innogath.com · its alternatives →

16. 16
    Graphite AI SEO Platform▲302

    Focus on the 5% of SEO work that drives 95% of the impact.

    2024 · graphite.io · its alternatives →

17. 17
    Prism AI▲167

    Open Source Deep Research and Learning Agent (Perplexity Pro Alternative). Orchestrates autonomous researchers using LangGraph, Python, and Next.js for students, developers, and lifelong learners. - precious112/prism-ai-deep-research

    2025 · prism-ai.ai.studio · its alternatives →

18. 18
    Deep Research @Work▲49

    24/7 AI agents that automate deep workplace research

    2025 · xdge.ai · its alternatives →

19. 19
    Ressearch AI▲85

    AI workspace for reproducible scientific research

    Aug 2026 · ressearchai.app · its alternatives →

20. 20
    DeepSearch AI

    AI that researches, thinks, and delivers insights.

    Mar 2026 · tsepo-deep-research-ai.vercel.app · its alternatives →

21. 21
    Open Deep Research▲13

    Free, open-source alternative to OpenAI's Deep Research

    2025 · anotherwrapper.com · its alternatives →

22. 22
    DeepMed AI▲16

    AI-powered deep research reporting for biomedical scientists

    2025 · deepmedai.zeabur.app · its alternatives →

23. 23
    Research Ai▲12

    Turn Papers into Insights – Instantly

    2025 · smart-research-ai.vercel.app · its alternatives →

24. 24
    ResearchOSfree tier, from $249/mo▲19

    AI-native end-to-end market research

    May 2026 · researchos.net · 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 →