A product roadmap is a communication document as much as a planning tool. Claude helps with the communication layer: structuring the narrative, writing the rationale, aligning the format to your audience.
Before you prompt Claude for a roadmap, you need your priorities roughly sorted. Claude can help you document and communicate your roadmap; it cannot discover what your customers need or what is technically feasible.
Bring to the session:
For boards and investors: "Write this so each initiative is described in terms of the business metric it moves, not the feature it adds."
For sales teams: "Write a version that a salesperson can use in a customer conversation: focus on the problems we are solving and when customers can expect them addressed."
For engineering teams: "Add a section on technical dependencies and sequencing rationale for each initiative."
Time estimate: Full roadmap document draft: 20-30 minutes with prepared inputs. Editing: 30-45 minutes. Audience-specific versions: 15 minutes each.