# OpenAI — Unrolling the Codex agent loop

- Company: OpenAI (openai.com)
- Announced: 2026-01-23T12:00:00+00:00
- Subject: GPT / ChatGPT / API
- Source: https://openai.com/index/unrolling-the-codex-agent-loop
- Record: https://forck.live/items/297-unrolling-the-codex-agent-loop

The post is a technical deep dive into the Codex agent loop, explaining how Codex CLI orchestrates models, tools, prompts, and performance using the Responses API.

## Evidence

Verbatim from https://openai.com/index/unrolling-the-codex-agent-loop:

> A technical deep dive into the Codex agent loop, explaining how Codex CLI orchestrates models, tools, prompts, and performance using the Responses API.

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Record: https://forck.live/items/297-unrolling-the-codex-agent-loop
Catalogue: https://forck.live/llms.txt
Feed: https://forck.live/feed.md