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cover of episode “The Codex of Ultimate Vibing” by Zvi

“The Codex of Ultimate Vibing” by Zvi

2025/5/21
logo of podcast LessWrong (30+ Karma)

LessWrong (30+ Karma)

Shownotes Transcript

While we wait for wisdom, OpenAI releases a research preview of a new software engineering agent called Codex, because they previously released a lightweight open-source coding agent in terminal called Codex CLI and if OpenAI uses non-confusing product names it violates the nonprofit charter. The promise, also reflected in a number of rival coding agents, is to graduate from vibe coding. Why not let the AI do all the work on its own, typically for 1-30 minutes?

The answer is that it's still early days, but already many report this is highly useful.

** Introducing Codex**

Sam Altman: today we are introducing codex.

it is a software engineering agent that runs in the cloud and does tasks for you, like writing a new feature of fixing a bug.

you can run many tasks in parallel.

it is amazing and exciting how much software one [...]


Outline:

(00:43) Introducing Codex

(04:24) System Card Addendum

(06:37) Update to Codex CLI

(07:50) Overall Reception

(09:36) Codex Offers Mundane Utility

(15:25) Codex Doesn't Offer Mundane Utility

(18:36) Our Price Cheap

(20:38) Two Kinds of Agent


First published: May 20th, 2025

Source: https://www.lesswrong.com/posts/z8FWLLjLHtKBENMi9/the-codex-of-ultimate-vibing)

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Narrated by TYPE III AUDIO).


Images from the article: ![Two graphs comparing performance metrics for SWE-Bench Verified and OpenAI tasks.

The left graph shows accuracy versus number of attempts, while the right bar graph displays accuracy percentages across different models, ranging from 11% to 75%.](https://res.cloudinary.com/lesswrong-2-0/image/upload/f_auto,q_auto/v1/mirroredImages/z8FWLLjLHtKBENMi9/oukfrtsnbexrk6xgvacs))![Screenshot of safety and privacy settings explaining system operator safeguards.

The image shows a user interface information panel titled ](https://res.cloudinary.com/lesswrong-2-0/image/upload/f_auto,q_auto/v1/mirroredImages/z8FWLLjLHtKBENMi9/chtr7pqj0fhh6hivyncf)) Apple Podcasts and Spotify do not show images in the episode description. Try Pocket Casts), or another podcast app.