The Field Beyond the Model: Why Better AI Still Fails Without Better Fields (Field Engineering Book ) by Rogério Figurelli
English | May 12, 2026 | ISBN: N/A | ASIN: B0H1H8M48V | 169 pages | EPUB | 1.53 Mb
Modern AI systems often appear successful before they fail. A model answers fluently, a RAG system retrieves a relevant document, a benchmark is passed, or an agent completes a task.
Yet the same system may still fail when the answer enters a real workflow, affects a decision, triggers an action, or becomes part of institutional responsibility. This book argues that many AI failures are not only model failures. They are failures of passage.
The Field Beyond the Model introduces a clear idea: the model is not the whole object. A language model may generate an answer, but the answer must still travel through fields of evidence, permission, accountability, contestability, reversibility, and return before it deserves trust. Better models matter, but they do not automatically create better authority. Trust is not born at the same place as the answer.
The book develops a practical architecture for understanding why AI works in demos and breaks in production. It explains why context is not the same as field, why retrieval is not automatically evidence, why a citation is not automatically a receipt, why a tool call is not automatically permission, and why a benchmark is not the same as reality. The central problem is not only what AI can generate, but what its outputs are allowed to become. Building on Large Language Fields, the Field Stack, and the Two-Field Principle, the book shows how AI answers should be understood as candidates. A candidate may be useful, plausible, or even correct, but it is not automatically trusted, authorized, or actionable. It must pass through the field that governs the status it seeks. A model may form the answer, but the field decides whether the answer can travel.
This book also offers a design lens for enterprise AI. It connects RAG, agents, governance, benchmarks, receipts, HOLD states, evidence promotion, collapse signatures, and falsifiers into one architecture of trust. The result is a practical way to think about AI systems that must operate beyond the chat interface, especially when outputs become recommendations, decisions, workflow steps, or institutional actions.
The core message is simple: better AI still fails without better fields. The future of trustworthy AI will not be decided only by bigger models, better prompts, longer context windows, stronger benchmarks, or more autonomous agents. It will be decided by whether organizations can govern the passage from output to action.
This book is recommended for AI architects, enterprise leaders, governance professionals, researchers, product teams, technologists, and serious readers who want to understand why AI systems fail after they appear to work, and how trust can be designed beyond the model.
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