A blind benchmark against four deep-research products - DAR won. Here's the architecture.
Deep Research Tools Don't Research. They Summarize. So I Built One Better
Ask four deep research products the same hard question and you get four flavors of the same disappointment. Here's how I built DAR, an agentic research harness that won a blind benchmark against Perplexity, Gemini, Tavily, and Exa.



