###### Summary - Add input_modalities to model metadata so clients can determine supported input types. - Gate image paste/attach in TUI when the selected model does not support images. - Block submits that include images for unsupported models and show a clear warning. - Propagate modality metadata through app-server protocol/model-list responses. - Update related tests/fixtures. ###### Rationale - Models support different input modalities. - Clients need an explicit capability signal to prevent unsupported requests. - Backward-compatible defaults preserve existing behavior when modality metadata is absent. ###### Scope - codex-rs/protocol, codex-rs/core, codex-rs/tui - codex-rs/app-server-protocol, codex-rs/app-server - Generated app-server types / schema fixtures ###### Trade-offs - Default behavior assumes text + image when field is absent for compatibility. - Server-side validation remains the source of truth. ###### Follow-up - Non-TUI clients should consume input_modalities to disable unsupported attachments. - Model catalogs should explicitly set input_modalities for text-only models. ###### Testing - cargo fmt --all - cargo test -p codex-tui - env -u GITHUB_APP_KEY cargo test -p codex-core --lib - just write-app-server-schema - cargo run -p codex-cli --bin codex -- app-server generate-ts --out app-server-types - test against local backend <img width="695" height="199" alt="image" src="https://github.com/user-attachments/assets/d22dd04f-5eba-4db9-a7c5-a2506f60ec44" /> --------- Co-authored-by: Josh McKinney <joshka@openai.com> |
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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 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, Team, 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.