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Start with an experiment, not a model swap GPT-6 Sol and GPT-6 Luna should enter an existing production workflow as candidates in an evidence-led rollout experiment, not as a direct replacement for the current model ID. OpenAI announced Sol and Luna on September 22, 2026 as faster, lower-cost members of…
Why AI-generated mathematics claims need a slower review lane OpenAI’s September 21, 2026 announcement about an Advisory Group on Mathematics and Artificial Intelligence created a high-stakes review problem for mathematicians, AI labs, universities, funders, journals, enterprise research teams, and anyone tempted to treat model-generated mathematics as immediately settled knowledge. OpenAI…
What “source-linked institutional memory” means in practice Source-linked institutional memory is a structured memory layer that lets ChatGPT, Codex, or an API-based assistant answer organizational questions by tracing each important claim back to approved source material. In a serious implementation, “memory” is not a vague bucket of past chats or…
Why Codex 0.155.0 task lifecycle controls need a defensive playbook Codex CLI 0.155.0, listed in OpenAI’s official ChatGPT and Codex changelog for September 17, 2026, adds several features that change how teams should manage local task state: task hiding, archiving, deletion, worktree ownership details, confirmed deletion of clean managed worktrees,…
What Codex CLI 0.155 experimental /voice is for Codex CLI 0.155.0 added an experimental /voice conversation mode for supported builds, according to OpenAI’s official ChatGPT and Codex changelog and the Codex 0.155.0 release notes. The practical idea is simple: instead of typing every instruction into the local terminal user interface,…
Why this playbook starts with governance, not campaign optimization OpenAI’s September 16 advertising announcements create a new operating surface for marketers, growth teams, agencies, ecommerce teams, CRM owners, and compliance reviewers: ads can appear in ChatGPT, advertisers can manage campaigns through natural-language requests, AI can suggest creative assets, selected advertisers…
What the ChatGPT Work cloud browser is—and why signed-in tasks need a different operating model OpenAI describes the ChatGPT Work cloud browser as a separate remote browser that ChatGPT can use to work on supported websites on your behalf. The important word is “separate”: it is not your laptop browser,…
Free 32-page playbook: red-team LLMs, defend against prompt injection, and deploy AI agents safely. Built for security engineers shipping to production in 2026.
Start DevDay with an evidence ledger, not a reaction thread OpenAI DevDay 2026 is officially described by OpenAI as a technical event for developers and hands-on builders, scheduled for Tuesday, September 29, 2026 at Fort Mason in San Francisco, with an opening keynote at 10:00 a.m. Pacific featuring Sam Altman….
Start with a value question, not an adoption chart OpenAI’s business-value guidance for ChatGPT Admin analytics makes a crucial distinction: usage and cost data are evidence for investigation, not proof of business value. A rising number of active users, messages, credits, or tokens can show that people are trying ChatGPT…
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