Working on Codex @OpenAI. I like agents, dev tools, skiing, cycling, and AI demos that survive contact with real life. Opinions are my own.

Joined June 2007
35 Photos and videos
Rourke McNamara retweeted
Jun 12
Heard your (amusing) feedback that it was at times annoying to receive a reset of your Codex usage without warning. Next time we press the button you will get to choose when it actually applies. Happy codexing.
Jun 12
We heard you wanted to use Codex rate limit resets on your own time. Starting today, we’re rolling out the ability to save rate limit resets to use later. We’re starting Go, Plus, Pro, and Business users with one free reset:
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I wish this device didn’t need to exist, but since we don’t live in that world this thing is really useful
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Help us help you. Anything you can share on what makes building with these tools better for you helps
If you recently switched your daily driver coding agent, what made you see the light? Any direction is fair game. Switching to Codex, away from it, btw other tools. Whatever
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Codex CLI fixed the Codex app for me today. Something in one of the session JSONL files was causing endless JS errors and made the app unusable. I asked the CLI to fix it and … it did.
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Rourke McNamara retweeted
Jun 4
vibes at codex checking in.. codex is for everyone now after joining openai and launching the codex for open source program my second project was working on this WORKSPACES campaign and our incredible creative team. tools like codex and codex remote control are the first time developers and knowledge workers can be photographed not just hunched over their computer in some undignified posture soon, you'll see be able to see these on billboards and out of home campaigns!! these are real actors, real photographers, and incredible art direction, and production team. no ai was involved except for the apps I build to show on the monitors. i'm excited for a world where we're not even by their desks and our in remote control and cloud agents will definitly get us there, but until then...
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Rourke McNamara retweeted
this is why the Codex app is insane if you're looking for reasons to try it: - worktrees are abstracted really well - in-app browser is the best out of all apps - chrome control is the best of all apps - best computer use - remote control is new and already really good - most things in the app just make sense, it's extremely clear that most of them are using this app daily - great built-in plugins - thread automations are really nice - appshots - you can customise your own keyboard shortcuts - you can have your own pets that are also functionally useful since they show you all the chats that are running - Chronicle for memories is a cool concept, not game changing just yet but it's pretty useful - /side chats are really really good
Replying to @kr0der @alxfazio
curious what specifically makes it so insane for you guys?
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Your Codex activity now has a home, and an easier way to share it. Codex profiles show your activity graph, streaks, lifetime tokens, peak daily tokens, and top features like plugins and /fast mode. Private by default. Share a card when you want to.
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Tuesday was Thursday, but Thursday is also Thursday this week. Insane what the team is able to deliver week after week
More of the iOS app loop, now inside Codex. The Build iOS Apps plugin lets Codex view and test your iOS app in the in-app browser, open SwiftUI previews, and hot reload edits without leaving Codex.
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Rourke McNamara retweeted
Codex is absolutely killing it this afternoon for editing spreadsheets for me.
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I hate ads, but I love this ad
It’s time to fly! Excited to share the first short brand film for Codex. Catch it airing during Game 1 of the NBA Finals tonight. youtube.com/watch?v=bJcA23ck…
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Rourke McNamara retweeted
This is wild. OpenAI just dropped Codex Sites. Now anyone can give it a plan, dashboard, launch doc or idea, and turn it into an interactive app with a URL. 5 wild examples:
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This is a big one. We use this internally and it’s been amazing to see the things people have created and what being able to easily build and deploy so easily really unlocks. And this is only the beginning for this feature.
Jun 2
Building apps has never been easier. With Sites, Codex can turn your work, ideas, and plans into an interactive website or app your team can explore, use, and share with a URL. Rolling out to Business and Enterprise plans, before expanding more broadly.
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Rourke McNamara retweeted
With Codex at 5 million users, they’ve hit about 0.6% of ChatGPT’s roughly 900 million users. We are so, so early. The vast majority of people have no idea what’s already possible to do with AI, while a tiny minority is automating their personal lives and work.
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Codex behavior I noticed with /goal: when it runs for a while, post-compaction Codex feeds your last steer back in as a new prompt. This can sometime send it spinning in the wrong direction for a bit, so best to leave it with a more durable steer if you walk away for a bit
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Rourke McNamara retweeted
codex thursdays are so back?
If you update to the latest ChatGPT iOS app version we have a few cool new things for Codex Mobile, including /side to ask some side questions in a temporary modal over the current context!
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Rourke McNamara retweeted
Okay, I gave Opus 4.8 max effort a shot against GPT 5.5 xhigh on a medium-ish scope ticket for work. Both models run in latest version of @cursor_ai. 1 plan/execute session each. Results: Opus 4.8: 16.5M tokens, $17.26 GPT 5.5: 5.9M tokens, $5.57 5.5 still the goat.
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Rourke McNamara retweeted
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Rourke McNamara retweeted
Today we’re releasing DeepSWE, a new standard for agentic coding benchmarks. On public leaderboards, top models often look relatively close in capability. DeepSWE shows where they actually diverge, reflecting the realistic experience of developers in their day-to-day work.
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Rourke McNamara retweeted
Max: “He estado conduciendo distintos tipos de autos, y el fin de semana pasado (Nürburgring) me recordó lo puro y grandioso que el automovilismo puede ser, y luego regresas a F1… Incluso si nos dieras un auto rentado les daríamos un gran show, no es eso. Para mí es confuso, no es lo que F1 debería ser, es muy complicado, que está permitido, cuando estás adelante o atrás, en la vuelta de formación… todo eso es una pena que tengamos que lidiar con eso. F1 debería ser más pura. Y espero que los cambios que hagan el año siguiente sean lo mínimo necesario para volverlo más natural.” GRÍTALO MAX #CanadaGP
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Rourke McNamara retweeted
May 22
For complicated agent work, it's amazing how much GPT5.5 has improved. I found 5.2 to be very far behind Opus. Now using Opus 4.7 after 5.5 feels like a big step backwards. Gotta love this level of competion! Strong comeback for OpenAI.
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