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openai/codex

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Lightweight coding agent that runs in your terminal

220 mentions on Hacker News by 164 people: 64 stories, 156 comments · first 2025-04-16 · latest 2026-10-27

Mentions per year 220 mentions · busiest year 2026 (153)
20082026
  1. …like Claude Code? Also it looks like Open AI released a similar terminal based tool today. https://github.com/openai/codex Do you see an obvious distinctions or pros/cons between the terminal tools and the IDE systems?
  2. …volume to the container with the directory contents you want to be available for edit by the agent. https://github.com/openai/codex/blob/main/codex-cli/scripts/...
  3. Can be done already [1]. [1]: https://github.com/openai/codex/issues/14#issuecomment-28103...
  4. …full contents of large files you have already written, unless the user explicitly asks for them.`; https://github.com/openai/codex/blob/main/codex-cli/src/util...
  5. https://github.com/openai/codex/blob/main/codex-cli/src/comp... Hey comment this thing in! const thinkingTexts = ["Thinking"]; /* [ "Consulting the rubber duck", "Maximizing paperclips", "Reticulating splines", "Immanentizing the…
  6. Buried in the article, a new CLI for coding: > Codex CLI is fully open-source at https://github.com/openai/codex today.
    comment by andrethegiant · 2025-04-16 · in OpenAI o3 and o4-mini