Question: Is there a tool that uses AI to assist with project planning, including generating subtasks and writing product requirement documents?

Leiga is a full-featured AI-powered project management tool that automates work, boosts team productivity and helps you deliver projects on time. It's got a development subtask generator and a PRD writing assistant, as well as other features like real-time sprint progress visualization and integration with tools like Slack and GitHub. Leiga has several pricing tiers, including a free version and a professional plan at $20 per user per month.

Another option is Delibr, which can help product managers write PRDs more easily with dynamic templates and AI help. It's got a generative AI assistant to draft the document and an AI copilot to review and suggest changes. Delibr integrates with Jira and has features like product trees and customizable roadmaps to help you organize and prioritize work. Pricing starts at $10 per user per month, and you can try it for 14 days for free.

If you want a tool that can help you automate some project management processes and collaborate with others, you might like Dart. It's got intelligent task management with AI property filling and task tracking, document management and automated report generation. Dart integrates with tools like GitHub and Slack and is designed to free up users up to seven hours per week from project management overhead. The service scales up and down and can be used by individuals or teams.