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126bd6e7a8
## Summary This PR aims to improve integration between the realtime model and the codex agent by sharing more context with each other. In particular, we now share full realtime conversation transcript deltas in addition to the delegation message. realtime_conversation.rs now turns a handoff into: ``` <realtime_delegation> <input>...</input> <transcript_delta>...</transcript_delta> </realtime_delegation> ``` ## Implementation notes The transcript is accumulated in the realtime websocket layer as parsed realtime events arrive. When a background-agent handoff is requested, the current transcript snapshot is copied onto the handoff event and then serialized by `realtime_conversation.rs` into the hidden realtime delegation envelope that Codex receives as user-turn context. For Realtime V2, the session now explicitly enables input audio transcription, and the parser handles the relevant input/output transcript completion events so the snapshot includes both user speech and realtime model responses. The delegation `<input>` remains the actual handoff request, while `<transcript_delta>` carries the surrounding conversation history for context. Reviewers should note that the transcript payload is intended for Codex context sharing, not UI rendering. The realtime delegation envelope should stay hidden from the user-facing transcript surface, while still being included in the background-agent turn so Codex can answer with the same conversational context the realtime model had.
126bd6e7a8
·
2026-04-20 14:04:09 -07:00
5,578 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.