The best AI research and analysis tools
When you need answers with sources — not vibes — these tools are built for the job. From cited web search to massive document analysis, here's how to pick a research AI you can actually trust.
Get my personalized shortlistWhy use AI for research?
- Answers with cited, clickable sources
- Analyse 200K+ token documents in one pass
- Compare sources side by side
- Build searchable knowledge collections
Top 2 Research AI tools
Hand-picked for researchers, analysts, students, journalists.
Perplexity
4.7AI search with real sources
Conversational search engine that synthesizes answers from the web with cited sources. Perfect for research and fact-checking.
Kimi AI
4.5Long-context Chinese AI
Moonshot AI's assistant with 2 million token context window. Exceptional for analyzing entire books, legal docs, and codebases.
Frequently asked questions
Is Perplexity better than Google?+
For research-style questions where you want a synthesised answer with sources, yes. For navigation and shopping, Google is still faster.
What's the best AI for reading long documents?+
Claude (200K tokens) and Kimi (2M tokens) lead on long-context. Both handle entire books or codebases in a single conversation.
Can AI replace search engines?+
It's already replacing the first read for many users. Search engines remain better for live news, transactional queries and discovering primary sources.
Not sure which research tool fits you?
Answer 4 questions and we'll match you to the AI tools that fit your budget, skill level and goals.
Get my personalized shortlist