Fanie Reynders
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OpenAI

A collection of 4 posts

OpenAI GPT-5.4 for Agentic Systems: What Actually Changes in Architecture

Most model update posts are feature checklists. Useful, but not enough to make architecture decisions. GPT-5.4 is one of those releases where the right question is not “is it smarter?” but “which parts of our agent stack should change now, and which should stay stable?” This guide is practical
Mar 12, 2026 2 min read

How to Build Production Agents with OpenAI Responses API + Azure Foundry Agent Service

Most teams proved they can build an agent in a week. Far fewer proved they can run one safely in production for six months. That is the shift we are now living through in 2026: from demo intelligence to operational intelligence. The bottleneck is no longer “can the model answer?
Mar 2, 2026 5 min read

The README for AI: How to Write an AGENTS.md That Ships

AGENTS.md is the README for AI assistants: a practical, technical guide to structure, layering, boundaries, and maintenance for better AI coding outcomes.
Feb 28, 2026 5 min read

Enterprise AI Agent Architecture: A Practical Blueprint

A practical architecture blueprint for enterprise AI agents in 2026, covering orchestration, governance, RAG, observability, and rollout strategy.
Feb 24, 2026 4 min read
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