Projan vs ChatGPT for Writing PRDs
ChatGPT is powerful. But for product requirements, you need more than a text generator — you need a structured process.
| Capability | Projan | ChatGPT |
|---|---|---|
| Guided requirements process | Built-in — asks PM questions | Only if you prompt it |
| Consistent output format | Always: epics, stories, ACs | Varies by prompt |
| Slack-native | Yes | No |
| Team collaboration | Multiple contributors | Single user per chat |
| PRD history & versioning | Saved & searchable | Chat history only |
| Jira export | Coming Q2 2026 | Manual copy-paste |
| General knowledge & Q&A | PRDs only | Anything |
The problem with ChatGPT for PRDs
ChatGPT will write whatever you ask it to. That's the problem. It doesn't know what questions to ask. It doesn't push back when your requirements are vague. It doesn't enforce a consistent structure across your team's PRDs. You get a different output every time, depending on how good your prompt is.
What Projan does differently
Projan is opinionated about PRDs. It knows what a good one looks like. It asks the questions that surface edge cases, missing requirements, and unclear acceptance criteria. Every PRD follows the same structure, so your engineering team knows exactly what to expect. And it lives in Slack, so the conversation happens where your team already works.
When ChatGPT is the right choice
If you need a one-off document and you're an experienced PM who knows exactly what to prompt for, ChatGPT works fine. But if you want consistent, team-wide requirements that don't depend on individual prompt-engineering skill, Projan is built for that.
Skip the prompt engineering
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