- Claude is planner and reviewer.
- Codex is executor for code edits, commands, and tests.
- Planner: Claude Default · currently Fable 5. Executor: Codex Recommended · currently GPT-5.5.
- Planner effort: High. Executor effort: Medium. Change either from the bottom row.
- Handoffs appear inline when ownership changes.
Claude + Codex
seren-desktop
Claude planning
Handoff: Claude handed off to Codex to make the
approved code changes.