# When should I switch to Plan mode?

Use Plan mode to explore ideas, investigate issues, and reason about changes before executing. It costs 1 credit per message and never modifies code. Switch to Agent mode once you've decided on an approach.

## Related questions

- [Can I edit plans after they're created?](https://lovable.dev/faq/ai-agent/plan-mode/edit-plans)
- [Can I use Plan mode for debugging?](https://lovable.dev/faq/ai-agent/plan-mode/plan-mode-debugging)
- [Does Plan mode cost credits?](https://lovable.dev/faq/ai-agent/plan-mode/plan-mode-costs-credits)
- [Does Plan mode ever change my code?](https://lovable.dev/faq/ai-agent/plan-mode/plan-mode-no-code-changes)
- [Use Lovable Plan mode](https://lovable.dev/faq/ai-agent/plan-mode/use-plan-mode)