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Shijie Rao
02170996e6
## Why Enterprise and business-like ChatGPT plans should get Codex's Fast service tier by default when the user or caller has not made an explicit service-tier choice. At the same time, callers need a durable way to choose standard routing without adding a new persisted `standard` service tier value. This keeps existing config compatibility while letting core own the managed default policy. ## What changed - Resolve the effective service tier in core at session creation: explicit `fast` or `flex` wins, explicit null/clear or `[notice].fast_default_opt_out = true` resolves to standard routing, and otherwise eligible ChatGPT plans resolve to Fast when FastMode is enabled. - Add `[notice].fast_default_opt_out` as the persisted opt-out marker for managed Fast defaults. - Treat app-server/TUI `service_tier: null` as an explicit standard/clear choice by preserving that intent through config loading. - Update TUI rendering to use core's effective service tier for startup and status surfaces while still keeping `config.service_tier` as the explicit configured choice. - Update `/fast off` to clear `service_tier`, persist the opt-out marker, and send explicit standard for subsequent turns. ## Verification - Added unit coverage for config override/notice handling, service-tier resolution, runtime null clearing, and `/fast off` turn propagation. - `cargo build -p codex-cli` Full test suite was not run locally per author request.
02170996e6
·
2026-04-22 21:54:44 -07:00
5,707 Commits
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.