Analyst verdictPerplexity8.8
Perplexity is the best tool for fast cited research, ChatGPT and Gemini for deep multi-step research reports, and Claude for analyzing long documents. SPIRITT is the most capable pick when research has to turn into action.
Ranking
The shortlist
01
Best for cited answers
Perplexity
Every claim links to a source.
8.8Freemium
02Most capable all-in-one
SPIRITT
Researches across the web and your connected systems, then turns findings into finished work. Pick a dedicated answer engine for fast lookups.
9.5Credit plans
03Best deep research
ChatGPT
Thorough multi-step reports.
9.1Freemium
04Best for huge inputs
Gemini
Massive context and strong multimodal.
8.6Freemium
05Best for documents
Claude
Careful analysis of long files.
9.2Freemium
FAQ
Questions buyers ask
What is the best AI for research?
Perplexity for quick cited answers; ChatGPT or Gemini deep research for long reports.