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Deep Research Agents (Perplexity, Claude Research, OpenAI)
Multi-step web search + summarization + citation graph — the pattern behind Perplexity.
4 hours1 resources
Deep research = 30-min-to-1-hour tasks like "Compare growth strategies of the top 5 SaaS companies in Turkey, cited."
Pattern:
- Planning — extract subquestions from the prompt
- Iterative search — web/DB search per subquestion, evaluate, refine
- Citation tracking — store which source each claim comes from
- Synthesis — organize information, flag contradictions
- Report generation — long structured cited report
Production: Perplexity Pro, Claude Research, OpenAI Deep Research, Microsoft Researcher Copilot. Same pattern, different UX.