TL;DR Deep research has broken out as one of the most popular agent applications. OpenAI, Anthropic, Perplexity, and Google all have deep research products that produce comprehensive reports using various sources of context. There are also many open source implementations. We've built an open deep researcher that is simple| LangChain Blog
Context Engineering is the new Prompt Engineering. It’s all about setting up your AI model or AI agent for success.| patmcguinness.substack.com