AI Research tools

Answer engines and research assistants with sources.

• ChatGPT

  OpenAI's general-purpose AI assistant for chat, writing, coding and analysis.

  Freemium · writing, research, productivity

• Claude

  Anthropic's AI assistant, strong at long documents, writing and code.

  Freemium · writing, coding, research

• Gemini

  Google's multimodal AI assistant integrated with Google services.

  Freemium · writing, research, productivity

• Perplexity

  AI answer engine that searches the web and cites sources.

  Freemium · research

• Grok

  xAI's assistant with real-time web knowledge.

  Freemium · research, writing

• Mistral Le Chat

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

  Freemium · writing, research

• Gemini Notebook

  Google's AI research notebook (formerly NotebookLM), grounded in your own sources, with audio and video overviews.

  Free · research

• Elicit

  AI research assistant for academic papers.

  Freemium · research

• Consensus

  AI search engine for scientific research.

  Freemium · research