Case Studies

What this guide covers: the local browser extension, not a generic “AI browser” The ChatGPT browser extension is a local-browser integration for Chrome-family browsers that lets ChatGPT work with the browser profile you are already using, subject to OpenAI’s confirmation prompts, website permissions, workspace settings, and browser-level extension permissions. According…

What changed in August 2026: a Codex chat can become a static shared snapshot OpenAI’s August 2026 ChatGPT release notes and the ChatGPT and Codex changelog describe a new sharing behavior for Codex chats: a user can share a read-only snapshot of a Codex thread through a personal share link….

Why Multi-Account Plugin Governance Now Matters OpenAI’s September 17 ChatGPT release notes state that multiple-account support for plugins has expanded beyond the earlier Gmail, Google Calendar, and Google Contacts support. The practical change is not merely convenience: ChatGPT can now be used with personal and work accounts in the same…

Scope boundary: The reported jailbreak-like summary behavior came from a separate unreleased Astra-family training run, not the final Astra model and not production traffic. Why compaction summaries deserve security treatment, not just prompt-engineering cleanup A compaction summary is a continuity artifact: a shortened representation of prior conversation, tool activity, decisions,…

What changed in September, and why Health permissions now need a closer look OpenAI’s September 14, 2026 update changed the starting permission posture for new Health plugin connections: when a user connects Health after the update, ChatGPT defaults that Health connection to the user’s existing global Plugins permission setting. If…

The Data plugin is an analytics workflow, not a permission bypass OpenAI describes the Data plugin as a way to investigate connected business data in ChatGPT Work and Codex, explain changes, and create interactive dashboards and reports. The practical interpretation for administrators and data leaders is narrower than “ChatGPT can…

Start with the responsibility split, not the sandbox toggle The OpenAI Agents API should be treated as a managed agent execution layer with shared responsibilities, not as a security boundary that automatically solves application risk. OpenAI’s Agents API documentation describes a managed interface to the Codex harness: OpenAI operates the…

Why the September 9 Library sharing update changes governance, not just collaboration OpenAI’s September 9, 2026 ChatGPT release notes introduce a material change for teams that treat ChatGPT Library as a working knowledge surface: Library users can share files and folders with named people as Viewer or Editor, share items…

What OpenAI Claimed on September 8—and What Has Not Yet Been Settled OpenAI published a September 8, 2026 claim that it has solved the Navier–Stokes existence and smoothness problem, one of the Clay Mathematics Institute’s Millennium Problems. The evidence package OpenAI released consists of a company announcement, a mathematical paper,…

Why OneNote governance matters before the first notebook search OpenAI’s September 2026 release notes introduced a OneNote plugin for ChatGPT and Codex as a beta workflow integration, not as a universal bridge into every note, shared notebook, Microsoft 365 group, or SharePoint site a person can see elsewhere. OpenAI describes…