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OpenAI Codex CLI: Lightweight coding agent that runs in your terminal

(github.com)
514 points mfiguiere | 2 comments | 16 Apr 25 17:24 UTC | HN request time: 0.408s | source
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swyx ◴[16 Apr 25 17:37 UTC] No.43708197[source]▶
related demo/intro video: https://x.com/OpenAIDevs/status/1912556874211422572

this is a direct answer to claude code which has been shipping furiously: https://x.com/_catwu/status/1903130881205977320

and is not open source; there are unverified comments that they have DMCA'ed decompilations https://x.com/vikhyatk/status/1899997417736724858?s=46

by total coincidence we're releasing our claude code interview later this week that touches on a lot of these points + why code agent CLIs are an actually underrated point in the SWE design space

(TLDR you can use it like a linux utility - similar to @simonw's `llm` - to sprinkle intelligence in all sorts of things like CI/PR review without the overhead of buying a Devin or a Copilot SaaS)

if you are a Claude Code (and now OAI Codex) power user we want to hear use cases - CFP closing soon, apply here https://sessionize.com/ai-engineer-worlds-fair-2025

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1. axkdev ◴[16 Apr 25 19:51 UTC] No.43709612[source]▶
Hey! The weakest part of Claude Code I think is that it's closed source and locked to Claude models only. If you are looking for inspiration, Roo is the the best tool atm. It offers far more interesting capabilities. Just to name some - user defines modes, the built in debug mode is great for debugging, architecture mode. You can, for example, ask it to summarize some part of the running task and start a new task with fresh context. And, unlike in Claude Code, in Roo the LLM will actually follow your custom instructions (seriously, guys, that Claude.md is absolutely useless)! The only drawback of Roo, in my opinion, is that it is NOT a cli.
replies(1): >>43710920 #
2. kristopolous ◴[16 Apr 25 22:09 UTC] No.43710920[source]▶
there's goose. plandex and aider also there's kilo as a new fork of roo.