@reach_vb: Codex for autonomously optimising your work:
Summary
Charlie Marsh shares that OpenAI's Codex autonomously found a 5-10% speed-up in a formatter while he was working on other tasks.
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Cached at: 06/30/26, 01:41 PM
Codex for autonomously optimising your work:
Charlie Marsh (@charliermarsh): It’s still incredible to me that you can just point the model at things and make them better continuously.
Codex found an easy 5-10% speed-up in the formatter while I was doing other work.
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@charliermarsh: It's still incredible to me that you can just point the model at things and make them better continuously. Codex found …
Charlie Marsh notes that Codex found a 5-10% speed-up in the formatter automatically, highlighting the power of AI-assisted tooling improvements.
@charliermarsh: Optimizing Codex over the weekend. This is my favorite kind of work. I could do it forever.
Charlie Marsh tweeted about enjoying optimizing Codex over the weekend, sharing a link to the work.
@reach_vb: http://letmecodexthatforyou.com
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