Slash command
Show the Git diff including files Git isn't tracking yet. Review Codex's edits before committing or running tests.
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Choose the active model (and reasoning effort when available). Opens a picker; press s to switch for the current session only.
context-management
Summarize the visible conversation to free tokens. Use after long runs so Codex retains key points without blowing the context window.
planning
Switch to plan mode and optionally send a prompt. Codex proposes an execution plan before implementation starts.
configuration
Toggle the Fast service tier for the current model/thread, or check current state.
session-management
Fork the current conversation into a new thread with a fresh ID, leaving the original transcript untouched for parallel exploration.
context-management
Attach a file or folder to the conversation via popup picker so Codex references it directly in the next turn.