More AI vs OpenAI Codex CLI
OpenAI Codex CLI is an open-source terminal coding agent built around OpenAI models and account. More AI is a free desktop app: any provider (including local models), data on your machine, and a coding agent plus chat and document modes.
OpenAI Codex CLI is OpenAI’s open-source coding agent for the terminal. It’s a strong agent, but it’s built around OpenAI’s models and account — you run it with a ChatGPT plan or an OpenAI API key.
More AI takes a provider-neutral, graphical approach: a desktop app whose coding agent works with any provider (including local models), keeping your data on your machine. If you’re all-in on OpenAI and the terminal, Codex CLI fits; if you want choice of model and a GUI, here’s how they compare.
| More AI | OpenAI Codex CLI | |
|---|---|---|
| Interface | Native desktop app (GUI) for macOS, Windows and Linux | Command-line tool in your terminal |
| Models | Any provider: Anthropic, OpenAI, Google, Mistral, Groq, OpenRouter, local models | OpenAI models |
| What you pay | Free app; you pay your provider per use, at cost | ChatGPT plan or OpenAI API billing |
| Account | Optional — works fully without one | OpenAI account required |
| Open source | Closed-source app, free to use | Yes |
| Works offline | Yes, with a local model (e.g. via Ollama) | No |
| Scope | Chat, documents, a coding agent and scheduled routines | Focused on terminal coding |
What is OpenAI Codex CLI?
Codex CLI is OpenAI’s open-source agentic coding tool for the terminal. It explores your repository, writes and edits code and runs commands, powered by OpenAI’s models and tied to an OpenAI account — usage comes through a ChatGPT plan or API billing.
It’s a capable, focused terminal agent — best when you’re already invested in OpenAI’s ecosystem and comfortable on the command line.
What is More AI?
More AI is a free desktop app that runs on your computer. Its Code mode plans changes, edits files and runs commands on your repositories with your approval, and it also does Chat and Cowork (file editing and Word/Excel/PowerPoint generation) plus scheduled routines.
You bring your own keys across many providers — including OpenAI, but also Anthropic, Google, local models and more — and switch per conversation. Your data stays on your machine and an account is optional.
When Codex CLI is the better choice
Codex CLI is the better pick in some cases.
- You’re committed to OpenAI’s models and want their first-party terminal agent.
- You prefer a focused, open-source CLI you can audit.
- You already pay for a ChatGPT plan and want coding usage included.
When More AI fits better
More AI fits when you want choice and a graphical app.
- You want more than one provider — or to run fully offline with a local model.
- You prefer a desktop app over the command line — or you’re not a developer.
- You want chat and documents as well as a coding agent, with scheduled routines.
- You want your data local and no account required.
FAQ
Can I use OpenAI models in More AI?
Yes. Add your own OpenAI API key and pick a model — you pay OpenAI directly at API cost. You can also use Anthropic, Google and others, or a local model.
Is More AI locked to one provider?
No. Unlike Codex CLI, which is built around OpenAI, More AI is provider-agnostic — switch models and providers per conversation, including local models.
Does More AI use the terminal?
No. More AI is a graphical desktop app. Codex CLI is terminal-first.
Do I need an account?
No — More AI works fully without one. An optional free account only powers cross-device sync.