Codex CLI

Summary: Where to Find Astra Not free. Free and Go plans do not include Astra; their default model stays GPT-5.6 Luna. On Plus, Astra does not appear in regular Chat. Access arrives through ChatGPT Work and Codex. On Pro, Business and Enterprise, it shows up in the model picker under the Pro option, labelled GPT-6 Pro. The model underneath is Astra. Enterprise workspaces get it off by default at launch. An admin has to enable it. Codex CLI 0.153.0 or newer is required, and the desktop app needs updating too. In the API the model id is gpt-6-astra: 1.05M token context, 128K output, $10 in / $50 out per million tokens. Our GPT-6 Astra launch write-up covered what the model is, the benchmark table and the price tag. Two days later the question landing in the inbox is a different one: “I pay for Plus, there is no Astra anywhere in my model picker, where is it?” ...

Hello everyone! 😁 OpenAI announced a brand new model called GPT-5.3-Codex on February 5, 2026, and believe me, this model is truly a game-changer! 🚀 What is GPT-5.3-Codex? GPT-5.3-Codex is the most capable agentic coding model that OpenAI has developed to date. We previously wrote about the OpenAI Codex App , and now we have the most powerful model behind this platform! So what does “agentic” mean? The model doesn’t just write code for you; it can also take on long-running tasks like a colleague, conduct research, use tools, and execute complex operations. ...

Hello everyone! 🤩 We’ve been excitedly following developments in the world of AI and software for a long time. On February 2, 2026, news came from OpenAI that will shake up developers (in a good way, of course! 😉). Introducing: The OpenAI Codex App! The era of assistants that only complete code is ending; next up is the era of agentic coding. OpenAI announced the native Codex app for macOS to support this vision. Let’s take a closer look together at what this new app offers and how it might change our development habits. 👇🏻 ...