
The Silent Fix: How DeepRAG, RAT & Neuro-Symbolic AI Slashed Hallucinations by Up to 40%…
Last Updated on April 15, 2025 by Editorial Team
Author(s): R. Thompson (PhD)
Originally published on Towards AI.
Picture this. A doctor uses AI for a clinical decision. A lawyer consults an AI tool for case research. A student relies on a chatbot to fact-check their thesis. Then suddenly, the AI responds with a perfect lie — a hallucination. Not a bug. Not a typo. A polished, plausible fiction.
5–20% hallucination rates in leading LLMs, up to 27% in chatbots, and nearly 46% factual errors in long-form generations. The implications? Life-and-death risks in healthcare, sanctioned lawyers in courtrooms, and misinformation embedded into student research.
Yet, the narrative is shifting. The next frontier of AI doesn’t rely solely on retrieval but builds reasoning capability into its neural fabric. This is the world of Retrieval-Augmented Thoughts (RAT), DeepRAG, and Liquid Foundation Models (LFMs). These are models designed to not just answer, but understand.
LLMs are statistical predictors, not truth engines. Their training involves ingesting vast internet text and then guessing the next token in a sequence based on probability. When knowledge gaps appear, their default response is creative interpolation — not fact-checking.
One striking example is the Mata v. Avianca case, where ChatGPT hallucinated six non-existent legal citations, ultimately leading to a courtroom scandal. This was not an isolated glitch, but a structural problem.
The… Read the full blog for free on Medium.
Join thousands of data leaders on the AI newsletter. Join over 80,000 subscribers and keep up to date with the latest developments in AI. From research to projects and ideas. If you are building an AI startup, an AI-related product, or a service, we invite you to consider becoming a sponsor.
Published via Towards AI
Take our 90+ lesson From Beginner to Advanced LLM Developer Certification: From choosing a project to deploying a working product this is the most comprehensive and practical LLM course out there!
Towards AI has published Building LLMs for Production—our 470+ page guide to mastering LLMs with practical projects and expert insights!

Discover Your Dream AI Career at Towards AI Jobs
Towards AI has built a jobs board tailored specifically to Machine Learning and Data Science Jobs and Skills. Our software searches for live AI jobs each hour, labels and categorises them and makes them easily searchable. Explore over 40,000 live jobs today with Towards AI Jobs!
Note: Content contains the views of the contributing authors and not Towards AI.