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## Why The model list needs to carry display-ready service tier metadata so clients can render tier choices with stable IDs, names, and descriptions. A raw speed-tier string list is not enough for richer UI copy or future tier labels. ## What changed - Added `ModelServiceTier` to shared model metadata with string `id`, `name`, and `description` fields. - Added `service_tiers` to `ModelInfo` and `ModelPreset`, preserving empty defaults for older cached model payloads. - Exposed `serviceTiers` on app-server v2 `Model` responses and threaded it through TUI app-server model conversion. - Marked legacy `additional_speed_tiers` / `additionalSpeedTiers` metadata as deprecated in source and generated schema output. - Regenerated app-server protocol JSON schema and TypeScript fixtures, including `ModelServiceTier.ts`. ## Verification - Ran `just write-app-server-schema`. - Did not run local tests per repo instruction; relying on PR CI. --------- Co-authored-by: Codex <noreply@openai.com>
npm i -g @openai/codex
or brew install --cask codex
Codex CLI is a coding agent from OpenAI that runs locally on your computer.
If you want Codex in your code editor (VS Code, Cursor, Windsurf), install in your IDE.
If you want the desktop app experience, run
codex app or visit the Codex App page.
If you are looking for the cloud-based agent from OpenAI, Codex Web, go to chatgpt.com/codex.
Quickstart
Installing and running Codex CLI
Install globally with your preferred package manager:
# Install using npm
npm install -g @openai/codex
# Install using Homebrew
brew install --cask codex
Then simply run codex to get started.
You can also go to the latest GitHub Release and download the appropriate binary for your platform.
Each GitHub Release contains many executables, but in practice, you likely want one of these:
- macOS
- Apple Silicon/arm64:
codex-aarch64-apple-darwin.tar.gz - x86_64 (older Mac hardware):
codex-x86_64-apple-darwin.tar.gz
- Apple Silicon/arm64:
- Linux
- x86_64:
codex-x86_64-unknown-linux-musl.tar.gz - arm64:
codex-aarch64-unknown-linux-musl.tar.gz
- x86_64:
Each archive contains a single entry with the platform baked into the name (e.g., codex-x86_64-unknown-linux-musl), so you likely want to rename it to codex after extracting it.
Using Codex with your ChatGPT plan
Run codex and select Sign in with ChatGPT. We recommend signing into your ChatGPT account to use Codex as part of your Plus, Pro, Business, Edu, or Enterprise plan. Learn more about what's included in your ChatGPT plan.
You can also use Codex with an API key, but this requires additional setup.
Docs
This repository is licensed under the Apache-2.0 License.