Not Just Reasoning, But Retrieval, Is the Biggest Challenge of Building Modern AI

12 Aug 2025 Issue: Why retrieval is the real bottleneck in Agentic RAG, new SupercraftAI marketing assistant, Superteams openings, and key AI launches from OpenAI, Alibaba, Z.ai, DeepMind & more.

When we talk about advancing modern AI, especially Agentic RAG (Retrieval-Augmented Generation), most attention goes to reasoning — chain-of-thought improvements, tool use, and planning. But in practice, the largest bottleneck is retrieval: how we find the right information for the model to reason over in the first place. Even the most capable LLM will …