BOOOOM! Introducing GPT-5.4 Thinking & Pro in Codex, API & ChatGPT It combines GPT-5.3-Codex-level coding with stronger reasoning, better knowledge-work generation, native computer use for agents, and up to ~1M token context! > Tool search cuts token usage by ~47% on
@reach_vb
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Windows Codex app release open sources native agent sandbox
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The underrated part of the windows codex app release is that the native agent sandbox is fully open source Use it, fork it, build w/ itt! https://
github.com/openai/codex/t
ree/main/codex-rs/windows-sandbox-rs
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Codex for Windows launches with native app and PowerShell sandbox
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Codex for Windows is here! > Native Codex app on Windows via the Microsoft Store
> Local PowerShell execution with a native Windows sandbox
> WSL support, but not required
> Full app features: Skills, Automations, Worktrees, review, parallel threads
> Windows-native setup for -
Tips for Using AI Coding Assistants for Frontend Development
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glad you’re enjoying codex! for frontend specifically, what helps is: 1. give codex examples of what kind of front ends you want it to build, the more it knows, the better it is! 2. have codex use playwright or agent browser skill, close the loop between what you see and what
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Curiosity about experiment and feedback on verbose documentation
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interesting, would be curious how your experiment goes. looked through your agents md and I wonder if it’s a bit too verbose..
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Hackathon Success: Codex Ambassadors Community Building
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stellar job w/ the hackathon, looking forward to catching you and the rest of the brilliant codex ambassadors IRL soon!
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Customizing AI Personality with Instructions
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re: personality – how was your experience with /personality? you can set it to friendly and even put custom instructions too
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Just-In-Time Code Generation Through Faster AI Inference
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faster inference would lead to “just-in-time” code generation, where instead of creating MCPs/ CLIs/ steering you can just ask the model to do X and it can create series of cascading code based workflows without forcing users to go through existing code paths all w/ negligible
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End of Era: Key AI Ecosystem Figure Steps Down
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WHAT?? end of an era!! thank you for all that you’ve done for the ecosystem! Looking forward to what you do next Awni 🙂