@reach_vb: codex is writing a blogpost about its experiments in training a model all by itself
Summary
Codex is writing a blogpost about its experiments in training a model autonomously.
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@reach_vb: https://x.com/reach_vb/status/2057880274348695995
A user demonstrates using OpenAI's Codex to automatically generate a Colab notebook that trains a ~10 million parameter transformer in JAX/Flax/Optax on addition, achieving high accuracy after 4000 steps on a T4 GPU.
@reach_vb: http://letmecodexthatforyou.com
OpenAI introduces Codex, an AI assistant for work and code that integrates with GitHub, Slack, and docs to automate tasks and create deliverables.
Codex is getting easier to automate and customize around your code (1 minute read)
OpenAI announces updates to Codex including a new skills system for reusable task bundles, a more compact model GPT-5-Codex-Mini with higher rate limits, and integrations via the Responses API.
@reach_vb: OpenAI is nothing without its Codex
A tweet expresses that OpenAI's value is tied to its Codex model, implying its foundational importance.
@reach_vb: it still blows my mind that I can just delegate things to codex before sleeping and wake up to it still chugging along …
A user shares their experience using Codex to autonomously handle coding tasks across multiple codebases overnight, producing a PR.