Charcoal Blog
Agentic Search: When and Why Should I Use It?
Agentic Search lets AI agents decide what to retrieve, when to search again, and when to stop. Here's how the architecture works, where it breaks, and what comes next.
Robert Chung Read article
Deep Research API: Moving Beyond Web Search to Internal Data
Deep research APIs let AI agents iteratively search, reason, and synthesize across internal documents — going beyond basic RAG. Learn how they work, how they differ from web deep research, and when you need one.
Robert Chung Read article
Introducing Charcoal
We raised $2.5M led by Mischief to build the retrieval API purpose-built for AI agents.
Charcoal Team Read article