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## Why Responses HTTP requests were converted from `ResponsesApiRequest` into a full `serde_json::Value`. `EndpointSession` then deep-cloned that value for each retry, and the transport serialized and compressed it again before every send. Large histories make those copies expensive. Retry attempts should reuse the same immutable request bytes. ## What - Serialize standard Responses requests directly into a ref-counted `EncodedJsonBody`. - Preserve the Azure path that attaches item IDs before encoding. - Prepare JSON, compression, and derived content headers once before the retry loop. - Clone the prepared request per attempt so body clones only bump the `Bytes` reference count. - Keep auth inside the retry loop. Signing auth sees the exact final headers and body bytes that the transport sends. - Preserve request-body TRACE output. With TRACE plus compression, retain the original JSON bytes for logging; normal requests keep only the final wire bytes. - Leave non-Responses endpoint bodies on the existing `Value` path. ## Performance A temporary release-mode measurement used a 10 MiB JSON body and 10 retry preparations: - old `Value` clone + serialize path: 30 ms total - prepared shared-byte path: less than 1 ms total That is about 3 ms avoided per retry for this payload on the test machine. Each retry also stops allocating another request-sized JSON tree and serialized buffer. Without TRACE, compressed requests retain only the final compressed wire bytes. ## Validation - `just test -p codex-client` — 28 passed - `just test -p codex-api` — 125 passed - `just fix -p codex-client` - `just fix -p codex-api`
495da45643
·
2026-06-15 19:11:26 +02:00
7,469 Commits
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
Run the following on Mac or Linux to install Codex CLI:
curl -fsSL https://chatgpt.com/codex/install.sh | sh
Run the following on Windows to install Codex CLI:
powershell -ExecutionPolicy ByPass -c "irm https://chatgpt.com/codex/install.ps1 | iex"
Codex CLI can also be installed via the following package managers:
# 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.