Get the Codex CLI, IDE plugins, and desktop application for every major operating system. One platform, every environment.
Everything you need to start building with Codex — CLI, IDE plugins, and desktop application in one place.
The Codex download center provides every distribution channel for the platform. Whether you work primarily in the terminal, prefer a graphical IDE, or want the full desktop experience with team dashboards and visual configuration, you will find the right package here. Each download option receives the same core engine updates simultaneously — the Codex platform ships on a unified release cadence across all distribution channels.
All downloads are digitally signed and include SHA-256 checksums for integrity verification. The code signing certificates are issued by a trusted certificate authority, and the checksum files are published alongside every release. You can verify any download by comparing the published checksum against the hash of your downloaded file. For enterprise deployments, the Codex platform also supports distribution through internal package registries and artifact repositories — see the enterprise security documentation for private registry configuration details.
Three distribution channels, one consistent Codex experience across every platform.
| Download Option | Windows | macOS | Linux | Version |
|---|---|---|---|---|
| Codex CLI | Installer (.msi) | Homebrew / .pkg | deb / rpm / AppImage | v3.4.1 |
| VS Code Extension | VS Code Marketplace | v3.4.1 | ||
| JetBrains Plugin | JetBrains Marketplace | v3.4.1 | ||
| Neovim Plugin | GitHub Releases / LuaRocks | v3.4.1 | ||
| Desktop Application | .exe installer | .dmg | AppImage / Flatpak | v3.4.1 |
Codex runs on modern operating systems with modest hardware requirements.
The Codex CLI requires Windows 10 build 19041 or later, macOS 12 Monterey or later, or a Linux distribution running kernel 5.4 or newer. Minimum hardware includes 4 GB of RAM and 500 MB of available disk space. For AI code generation features, an active internet connection is required — the platform processes requests on cloud infrastructure optimized for low-latency responses. The IDE plugins inherit the system requirements of their host editor: VS Code 1.80+, JetBrains 2023.2+, or Neovim 0.9+. The desktop application has slightly higher requirements: 8 GB RAM recommended, and a display resolution of 1280x720 or higher for the team dashboard interface.
Runtime dependencies vary by your development stack. The Codex CLI auto-detects your environment but works best with Node.js 18 LTS or later, Python 3.9 or later, or Go 1.21+. These are not strict requirements for installation — the CLI will install and function without them — but having a supported runtime ensures the full range of project analysis and code generation capabilities. The desktop application bundles its own runtime and requires no external dependencies beyond the operating system.
Three commands and thirty seconds is all it takes to get the Codex CLI running.
On macOS, the fastest path is through Homebrew: brew install codex-gr/tap/codex. Windows users can download the MSI installer and run it with default settings — the installer adds Codex to the system PATH automatically. Linux users on Debian-based distributions can use the APT repository: add the Codex GPG key and package source, then apt install codex-cli. RPM-based distributions use the equivalent YUM/DNF repository configuration.
After installation, run codex auth to authenticate with your Codex account. The CLI will open your browser for OAuth2 authentication, retrieve an API token, and store it securely in your system credential store. From there, navigate to any project directory and run codex init to set up project-specific configuration. The platform will index your codebase and begin responding to commands immediately.
Every Codex release ships with cryptographic checksums you can verify in seconds.
Each download on this page has a corresponding SHA-256 checksum published in the release notes. To verify a download on macOS or Linux, run sha256sum codex-cli-linux-amd64.deb and compare the output against the published value. On Windows, PowerShell provides the equivalent: Get-FileHash codex-cli-windows-amd64.msi. The Codex platform also signs all binaries with a code-signing certificate. On macOS, Gatekeeper validates the signature automatically. On Windows, SmartScreen checks the certificate reputation before allowing installation to proceed.
For automated verification in CI/CD pipelines, the checksum files are available alongside each release artifact. You can script the download-and-verify step in your pipeline configuration to ensure every deployment uses an untampered Codex binary. Enterprise customers with private registry mirrors can automate checksum verification as part of their internal distribution pipeline — the release metadata is structured for easy consumption by artifact management tools.
Try upcoming features before they land in stable — the early-access channel updates weekly.
The Codex platform maintains a beta channel for users who want early access to new capabilities. Beta builds ship every Tuesday and include features that will appear in the next stable release. These builds undergo the same automated test suite as stable releases but have not completed the full manual QA pass. Beta builds are labelled clearly in the CLI with a version suffix and produce a visible indicator in the terminal prompt. You can switch between stable and beta channels at any time using codex channel set beta or codex channel set stable.
Preview builds are also available for the IDE plugins and desktop application. The VS Code extension offers an insider build channel through the marketplace. The desktop application provides an in-app toggle to switch update channels. Beta participants are encouraged to report issues through the in-app feedback system — the engineering team reviews beta feedback daily and frequently ships fixes within the same week.
Codex supports air-gapped deployment for environments without internet access.
Organizations operating in restricted network environments can download the Codex platform as a self-contained offline bundle. The offline installer includes all runtime dependencies, model weights for limited local processing, and a local update mechanism that works with internal file servers. The full cloud-dependent AI features require connectivity to Codex servers or an on-premise deployment, but the offline bundle enables local code analysis, configuration management, and project scaffolding without any external network calls.
For air-gapped enterprise deployments, Codex provides a dedicated on-premise appliance that runs the full platform within your network perimeter. This deployment model is documented in the cloud deployment guide. The on-premise appliance receives updates through an offline update package that you can transfer via secure media — no outbound connection from the appliance is ever required. Government and defense customers should reference the enterprise security page for IL4/IL5 deployment guidance and compliance documentation.
The Codex CLI is the recommended starting point for most developers — it runs everywhere and gives you the full command set.
Your choice depends on how you work. If you spend most of your time in the terminal, the Codex CLI is the obvious pick — it installs in seconds, integrates with your shell, and provides every platform feature through a consistent command interface. If you work primarily in an IDE, the VS Code extension or JetBrains plugin brings Codex suggestions directly into your editor alongside your existing workflow. The desktop application is ideal for engineering managers and team leads who want visual dashboards, team analytics, and configuration management without touching a config file. All three channels stay synchronized through your Codex account — a project configured in the CLI appears in the desktop app automatically.
Windows 10+, macOS 12+, or Linux kernel 5.4+ with 4 GB RAM and 500 MB disk space — the Codex platform keeps requirements intentionally low.
The Codex CLI has the lightest footprint: 500 MB of disk space, 4 GB RAM, and a supported terminal emulator. The IDE plugins inherit their host's requirements — if your editor runs, the Codex plugin will too. The desktop application recommends 8 GB RAM for smooth operation of the team dashboard and analytics views. All downloads support both x86_64 and ARM64 architectures natively — Apple Silicon Macs and ARM-based Linux servers get first-class builds with no emulation layer. For CI/CD runners and headless servers, the CLI provides a minimal installation profile that strips out interactive features and reduces the disk footprint to under 200 MB.
Compare the SHA-256 checksum of your downloaded file against the published checksum on this page — verification takes one terminal command.
Every Codex download is accompanied by a SHA-256 checksum file published in the release metadata. On Linux and macOS, the sha256sum utility produces the hash — pipe it to diff against the published checksum for immediate verification. Windows PowerShell users run Get-FileHash with the SHA256 algorithm. The Codex platform also signs all binaries — macOS Gatekeeper and Windows SmartScreen validate signatures before allowing installation. If either OS warns about an unsigned binary, do not proceed — download a fresh copy from this page and verify the checksum.
Yes — the beta channel updates every Tuesday with upcoming features, and you can switch between stable and beta in one command.
The Codex beta program gives you early access to new capabilities four to six weeks before they land in stable. Beta builds run the same automated test pipeline as stable releases and are generally reliable for daily use — the main difference is that manual QA has not completed its full pass. Beta CLI builds display a clear version indicator in the terminal prompt so you always know which channel you are running. The VS Code extension and JetBrains plugin also have insider channels through their respective marketplaces. Desktop application users can toggle the update channel in Preferences without reinstalling.
The CLI and IDE plugins require internet for AI processing, but an offline bundle exists for local code analysis and project scaffolding.
Codex AI features — code generation, intelligent review, and contextual suggestions — depend on cloud-hosted models and require an active internet connection. However, the platform also includes a substantial set of offline capabilities: local project analysis, configuration validation, linting, and scaffolding all work without connectivity. The offline installer bundle packages these capabilities for air-gapped environments. For organizations that need the full AI feature set without internet dependency, the on-premise deployment option runs the complete Codex platform inside your network perimeter and requires no outbound connectivity to external Codex servers.
Whether you are looking to download Codex for the first time, explore the Codex CLI for terminal-native development, or understand how Codex AI transforms your engineering practice, the platform provides integrated tools for every stage of software delivery. The AI code generation engine produces idiomatic code across 40+ languages, while intelligent code review catches bugs before they reach production. Teams can automate testing with the integrated testing suite, debug efficiently with automated debugging, and enforce quality standards with deep code analysis.
Developers integrating Codex into their toolchain start with CLI installation and IDE plugin setup for their preferred editor. The comprehensive API enables custom automation, CI/CD pipeline integration connects Codex to your deployment workflow, and Docker containerization simplifies environment configuration. For deeper integration, see the full documentation covering every feature in detail.