Best AI for researching a topic on the web

1. 01
   Why: Answer engine that cites its sources.

   

   Perplexity

   Research & Search

   AI answer engine that searches the web and cites its sources.

   Free planAPI

   CompareVisit
2. 02
   Why: Search and deep research inside ChatGPT.

   

   ChatGPT

   Chat Assistants

   OpenAI's conversational AI assistant for writing, research, coding and analysis.

   Free planAPI

   CompareVisit
3. 03
   Why: Deep Research with Google Search.

   

   Gemini

   Chat Assistants

   Google's AI assistant, integrated with Google apps and search.

   Free planAPI

   CompareVisit
4. 04
   Why: Search with AI answers.

   

   You.com

   Research & Search

   AI search and productivity platform.

   CompareVisit
5. 05
   Why: Ad-free search with AI summaries.

   

   Kagi

   Research & Search

   Ad-free paid search engine with AI features.

   CompareVisit

Order is not a ranking of quality; check each tool's site for current pricing. Compare the first three.

Also worth a look

Claude

Chat Assistants

Anthropic's AI assistant for writing, analysis, coding and long documents.

Free planAPI

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Grok

Chat Assistants

xAI's AI assistant with real-time access to information from X and the web.

Free planAPI

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Microsoft Copilot

Chat Assistants

Microsoft's AI companion for chat, search and help across Microsoft 365.

Free plan

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Le Chat (Mistral)

Chat Assistants

Mistral AI's chat assistant built on its own language models.

Free planAPI

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NotebookLM

Research & Search

Google's AI research notebook that answers questions grounded in your own sources.

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Manus

Automation & Agents

General-purpose autonomous AI agent that completes multi-step tasks.

AgentAPI

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