◎ Research

• ChatGPT General-purpose assistant for drafting, reasoning and analysis. freemium
• Claude Assistant strong at long documents, careful reasoning and code. freemium
• Gemini Google's assistant, tied into Search and Workspace. freemium
• NotebookLM Grounds answers strictly in documents you upload. free
• Perplexity Answer engine that cites its sources as it goes. freemium
• Consensus Answers questions from peer-reviewed findings. freemium
• DeepSeek Open-weight models with strong reasoning and coding. freemium
• Elicit Finds and summarises academic papers systematically. freemium
• Grok xAI's assistant, with live access to X. paid
• SciSpace Reads and explains papers alongside you. freemium

10 tools.