We use Codex to build our slides. Here's how. @DABrundage, used to spend hours formatting presentations. Now he gives Codex examples of what he wants and has it work directly in Google Slides. His workflow: 1. Make a few reference slides. Create an opening slide, a section br…↗

how to improve GPT-6 Astra / Codex's ability to design and code websites I've been using this approach since GPT Image was released, and the results have kept improving with 2 and 2.5 the idea is to have Codex generate visual mockups of the website before building it, whether y…↗

The best way to learn something is to build with it! I built Jev Explained with 4 examples that show what Jev is, how its primitives work, and how to use them in practice Clone the repo, open Claude Code or Codex, and ask it to create a new example using the existing codebase a…↗

On July 25, we hacked OpenAI. Two bugs let us take over ChatGPT/Codex accounts of OpenAI employees (+some unaffiliated users) and reach connected services: Outlook, Slack, GitHub, etc. We proved it with a PR in OpenAI’s internal codebase . It took us <72h. 🧵↗

Here's what OpenAI's agentic software factory looks like, today. Details: newsletter.pragmaticengineer.com/p/openai-softw… (thanks to all the OpenAI folks who explained how it works! And Perf Factory looks especially interesting to me)↗

Introducing Inspo. A design MCP server for Claude Code, Codex, and OpenCode. It searches 800+ beautiful websites and finds relevant design inspiration for your coding agent. Install → npx inspo-mcp install↗

check out how AI helps scientists with quantum computing research @bea_yankelevich at MIT's EQuS group used GPT-5.6 Sol with Codex to run routine measurements on quantum chips, so she could accelerate her experiment design openai.com/index/codex-qu…↗

🌊 SYSTEM PROMPT LEAK 🌊 Got the full system prompts and tools for GPT-6 Astra! 🚀 This MASSIVE dump comes in at >330k characters for the prompts and >1.1M for the tools 🤯 Hope you enjoy! 🤗 github.com/elder-plinius/… Won't all fit in a tweet, of course, but here's the firs…↗

If you use Codex, @thsottiaux needs no introduction. We talked 100% about Codex (fun fact: he started building it!), and 0% about resets. Timestamps: 00:00 Intro 07:21 Working at Google 12:41 What drew Tibo to OpenAI 15:19 The early days of Codex 18:20 Why Codex was built in Rus…↗

This is amazing. Copy this screenshot into Codex. It can solve most issues with Astra not following instructions. From @pvncher.↗

Rethinking skills and prompts for GPT-6 Astra Coding agents have come a long way, and best practices are changing fast. What used to require a lot of handholding and scaffolding no longer does. If you’ve been using agents in your projects over the last year, you’ve likely accum…↗

GPT-6 Astra is now available to all Pro, Enterprise, and Business Premium users in ChatGPT Work and Codex. It's also live in the API. It might take a few days to roll out to our Plus and Business users. Thank you for your patience.↗

Codex has changed my life as a solopreneur It's difficult to exaggerate how absurdly life-changing Codex has been for me as a solopreneur in recent months. And yet people have been saying 'but what do you actually use it for' (so I decided to write this). I work a few hours eac…↗

BREAKING: OpenAI just dropped GPT-6 ASTRA!!! 🚀✨ We’ve been testing it extensively at @every across coding, writing, and knowledge work. My take: it’s a big upgrade from 5.6-Sol, with some frustrating habits that keep it from matching Fable at the top end. Here’s your vibe che…↗

@GBohus @badlogicgames Just ask codex to add a note in the agents Md about keeping a compact worklog.md file to keep track of ongoing work, goals and steering instructions.↗

We’re excited to announce the OpenAI Build Week winners 🥁 Meet the builders behind the eight winning projects and see what they shipped with Codex. openai.com/build-week↗

Introducing the Conductor MCP! Your Claude, Codex, Cursor agents can now use Conductor alongside your humans. It comes with all the tools your agents need to create and manage cloud sessions. ```get-started.txt Add the Conductor MCP at and api.conductor.build/mcp and authenti…↗

incredible use of computer history “based on my computer history, what single-use software would make my life easier?” computer history turns your activity across apps and websites into memories and a timeline, so codex can spot repeated workflows and build the little tools tha…↗

Everyday conversations just got easier with the new Apple Messages plugin. Search messages, catch up on conversations, draft and send replies—all with ChatGPT on your Mac. Now available in ChatGPT Work and Codex on desktop.↗

Introducing Exa in Codex & ChatGPT: Give Codex access to 100B+ websites, docs, papers, people, companies, and more. Open Codex -> Plugins -> “Exa” -> Install↗

Here is how to enable a 1M-token context window in Codex for GPT-5.6 Sol. Even though we have tuned the context limit in Codex to be set optimally when it comes to performance and cost, this is a common ask, so here it is documented. A larger context window lets Codex retain m…↗

Codex is my assistant video editor at OpenAI. I had it create a video to explain some of what it does to make my life easier.↗

We’re launching DeepSeek-V4-Pro today! 🚀 🔷 Major Agent upgrades with strong production gains! 🔷 Flexible reasoning effort for V4-Pro & V4-Flash: low for simple tasks, high for daily Agent workflows, max for complex tasks. 🔷 Native OpenAI Responses API support, optimized for…↗

You can now keep your work from other agents in sync with ChatGPT Work and Codex. Import projects, chats, skills, and plugins, review your import history, and opt in to automatic updates in Settings. Now available in the ChatGPT desktop app.↗

This works by letting Codex trigger a Shortcut via an iMessage automation. The Shortcuts app has a full HTTP client so my iPhone can POST data back to my Mac. Codex can also take actions by calling iOS deep links. One pattern I've found useful is having Codex grep search through…↗

Siri sucks. So I made a way for Codex to act as my iPhone's voice assistant. Now Codex can read my screen, control apps, and take actions on my behalf – all in vanilla iOS 27.↗

An interview episode describing a practical “build in a day” agent mindset, featuring Last 30 Days (an open-source AI research skill) and Printing Press (a tool that turns site workflows into CLI commands an assistant can execute). It also highlights related examples like Flight…↗

Built this tiny app in few hours with Codex, what a time↗

Given some of the results I'm seeing recently, it's pretty clear Codex is a good harness. But it will seem primitive in 2-3 months and we're about to go through another major evolution in how we use AI at the frontier. The next generation of models need more than your laptop.↗

Codex tip: tell Sol to configure 𝗟𝘂𝗻𝗮 𝗠𝗮𝘅 𝗮𝘀 𝗮 𝘀𝘂𝗯𝗮𝗴𝗲𝗻𝘁. 𝗽𝗿𝗼𝗺𝗽𝘁: create a custom agent named luna_worker at ~/.codex/agents/luna-worker.toml. use these settings: model = "gpt-5.6-luna" model_reasoning_effort = "max" give it a description and instructi…↗