OpenAI just revived Codex !!
Key Takeaways
OpenAI's revived Codex coding agent, powered by GPT-5, offers an end-to-end coding system with IDE and CLI integration, rivaling Claude Code and Entropics Cloud Code.
Full Transcript
OpenAI just revived Codeex originally from 2021 as a direct competitor to Entropics Cloud Code. But is it good? Let's see. Codeex is basically a coding agent in your terminal. And there's a new IDE extension for VS Code, Cursor, Windsurf, and others. So, everyone can basically use it now. And it's powered by GPD5. So, the best of Open model. Well, for most people quickly, if you like GPD5 and already code with CH GPT, it's a very good alternative for you to cloud code. But if you really like entropics model, obviously stick with cloud code. What it does in a few seconds is basically the same as cloud code. It can code for you. What's cool is that you can tag it in pull request and it will give you automatic reviews and suggest fixes since it's all integrated with GitHub. The only issue is that all users have a limit rate. So either the pro users and the plus users. The limit rate changes, so check online whenever you use it, but that may be an issue if you really spam a lot, which I happen to do sometimes. Some cool updates from earlier in 2021 is that it obviously uses GBT5 now and better model thinking models. It also uses asynchronous functions like recent agentic systems and has other cool features like it can pick up where you left off without restarting the whole process again. So anyways, if you are coding with Chibbt usually, I definitely suggest giving it a try. It's really a good alternative to CL code, mostly for people that like OpenAI models. Let me know what news I should cover next and I will tag you. I'm Louis Franua, CTO and co-founder of TRZI and follow me for tomorrow's no BS roundup.
Original Description
OpenAI just revived Codex (first launched in 2021) — now rebuilt to rival Claude Code in the coding agent wars ⚡️
Here’s what’s new:
• Full agentic system for end-to-end coding (IDE + CLI)
• New VS Code extension (also works with Cursor, Windsurf)
• CLI rebuilt with GPT-5 → adds image inputs for screenshot debugging, web search, to-do lists, approvals, and more
• Features like thought summarization, custom prompt libraries, scroll-wheel nav, and command queuing
• GitHub integration → tag @codex in PRs for auto-reviews & suggested fixes
• Unified sign-in across IDE, CLI, web, and mobile → one agent experience
• Message caps: 30–150 msgs / 5h for Plus/Team, 300–1,500 for Pro (yes, still annoying)
• Faster with async execution → better for complex multi-step projects
My take: A real contender against Claude Code. If you’re already deep in the ChatGPT/GPT ecosystem, this could fit right into your coding flow.
Would you try Codex over Claude Code?
I’m Louis-François — PhD dropout, now CTO & co-founder at Towards AI. Follow me for tomorrow’s no-BS AI roundup 🚀
#ai #openai #codex
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