Question 1

What is the difference between GreenPRD.com and ChatGPT?

Accepted Answer

GreenPRD.com keeps a persistent, structured spec graph; ChatGPT is conversational and ephemeral.

Question 2

How do GreenPRD.com and ChatGPT compare on Structured output?

Accepted Answer

GreenPRD.com: Canvas + docs. ChatGPT: Free-form chat.

Question 3

How do GreenPRD.com and ChatGPT compare on Persistence?

Accepted Answer

GreenPRD.com: Saved specs. ChatGPT: Thread history.

Question 4

How do GreenPRD.com and ChatGPT compare on MCP integration?

Accepted Answer

GreenPRD.com: Yes. ChatGPT: Via plugins.

GreenPRD.com vs ChatGPT