Case Studies

By the ChatGPT AI Hub Editorial Team — Published June 2026 On June 4, 2026, OpenAI quietly shipped one of the most consequential architectural updates to ChatGPT since the introduction of GPT-4: a background memory system internally designated Dreaming V3. Unlike its predecessors, which stored discrete, retrievable facts about users…

A comprehensive guide to all six OpenAI Codex role-specific plugins. Learn how Data Analytics, Sales, Creative Production, Product Design, Equity Investing, and Investment Banking plugins transform enterprise workflows.

Learn how to use OpenAI Codex Sites to create, customize, and deploy interactive enterprise dashboards in minutes. This step-by-step tutorial covers everything from initial prompts to team sharing and advanced customization.

How Braintrust and Top Startups Use Codex to Ship Features in Minutes: Real-World Case Studies.

In today’s interconnected world, the ability to remotely and securely control desktop environments unlocks immense productivity and operational efficiencies. Leveraging AI models like OpenAI’s Codex for remote computer use, especially on locked desktops such as macOS systems, presents an advanced frontier in desktop automation. This masterclass, authored by Markos Symeonides,…

In the evolving landscape of financial technology, leveraging AI tools such as GPT-5.5 has become essential for streamlining workflows, enhancing accuracy, and accelerating decision-making processes. This article presents a comprehensive playbook of 10 highly optimized GPT-5.5 prompts specifically designed for financial analysis and reporting automation. Each prompt is crafted to…

As artificial intelligence models rapidly evolve, the year 2026 brings a pivotal showdown between two of the most advanced large language models (LLMs) available to developers and enterprises: GPT-5.5 and Gemini 3.5 Flash. Both represent quantum leaps in AI capabilities, pushing the boundaries of agentic coding, latency, and multimodal functionality….

By Markos Symeonides As we advance into 2026, the landscape of AI-assisted coding continues to evolve rapidly. Central to this evolution is the emergence of Codex Shared Plugins, a groundbreaking feature designed to empower enterprise development teams with the ability to build, deploy, and manage custom plugins seamlessly across their…

On May 21, 2026, OpenAI announced an innovative feature called Codex Appshots, marking a significant advancement in AI-human interaction by enabling AI models to perceive and understand real-time visual and textual context directly from macOS desktop applications. This article, authored by Markos Symeonides, delves deeply into the technical architecture, usage…

Master OpenAI Codex’s Goal Mode with advanced prompting frameworks, structural syntax, and instruction-design strategies for driving multi-day autonomous coding agents without drift or error escalation.