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Tool Update 1 min read

Unrolling the Codex agent loop

Source: OpenAI Blog
January 23, 2026 · 7mo ago
Visual for Unrolling the Codex agent loop

Summary

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

Why It Matters

Framework and tool updates directly impact developer productivity. Staying current with major releases helps engineering teams leverage performance improvements, new APIs, and security patches before they become blockers.

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