October 6, 2026
Codex tweaks risk becoming outdated: models evolve faster than tinkerers
In the author's view, someone using standard Codex is more likely to get the latest capabilities than someone who has built their own system.
dax
@thdxr
LLMs have brought about a strange reversal: the models are improving faster than the people tinkering with them when I see people with custom workflows and setups, they're all solving problems that no longer exist someone who simply uses standard Codex is more likely to get the latest capabilities
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A custom AI agent setup can outlive the problem it was built to solve. The author attributes this to the pace of model improvement.
Old workarounds. Users once compensated for model shortcomings with their own scripts and configurations. Now, the author observes, they keep solving problems the models can already handle on their own. In this comparison, standard Codex comes out ahead of the customized version.
Codex has been part of the unified ChatGPT app since Jul 9. The app offers free access for anyone who wants to work without assembling their own toolchain.
As of Sep 26, 2026, GPT-6 Luna is available on the Free plan for $0.
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