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Michael Bolin
32b65bbf7a
## Why When `Feature::TokenBudget` is enabled, compaction should behave like `new_context`: start a fresh context window with the standard injected context, without asking the server to summarize old history and without carrying prior user or assistant messages into the next model request. This is still a compaction operation from the client lifecycle perspective. Manual `/compact` and auto-compaction should keep the same observable side effects that clients and hooks expect, including compact hooks and `TurnItem::ContextCompaction`. ## What changed - Added `compact_token_budget` to run token-budget manual and inline auto-compaction through a shared compaction lifecycle. - Split pending `new_context` requests from forced context-window startup: `take_new_context_window_request()` consumes pending requests, and `start_new_context_window()` installs a fresh context window. - Routed token-budget manual `/compact` and inline auto-compaction to install a fresh context window locally instead of calling server/local summarization. - Preserved compact lifecycle side effects for token-budget compaction by running pre/post compact hooks and emitting `ContextCompaction` item start/completion events. - Updated token-budget tests to assert fresh window IDs, absence of server-side compaction calls, dropped prior transcript messages/tool output after reset, and compact hook/item lifecycle behavior. ## Testing - `just test -p codex-core token_budget_context_uses_new_window_after_compaction` - `just test -p codex-core token_budget_compaction_runs_compact_hooks` - `just test -p codex-core token_budget_mid_turn_auto_compaction_resets_before_active_follow_up` --------- Co-authored-by: pakrym-oai <pakrym@openai.com>
32b65bbf7a
·
2026-06-23 16:59:04 -07:00
7,770 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.