<p>Every AI lab is shipping research agents. OpenAI’s Deep Research, Perplexity, and Gemini’s research mode. These products are not simple RAG pipelines. Recent papers like DeepResearcher and Step-DeepResearch formalize what makes them work: a recursive loop of planning, searching, learning, and reflecting, where the agent decides when to go deeper and when to stop. The […]</p>
Fetched March 26, 2026