COMPARE
One chat window, or one client list.
ChatGPT
What ChatGPT is built for
ChatGPT is a general-purpose assistant, and it's very good at this task. Give it a blog post and a decent description of how a client writes, and you'll get a usable LinkedIn post. Projects let you keep instructions and files attached to a workspace, so context doesn't vanish between sessions. It's the cheapest capable option available, and it does a hundred other things besides.
For one or two clients, an agency with good prompt habits can run distribution this way indefinitely.
GoMimic
What GoMimic is built for
GoMimic is built around one assumption: you're managing several clients at once, and each of them sounds different.
A client is a permanent object. It holds a voice profile learned from that client's own published writing, the history of everything produced for them, the approvals their contact has signed off, and the report you hand them at month end. Paste a post, get the distribution set back in that client's voice, without describing them first.
Where the two diverge
ChatGPT
ChatGPT organises around a conversation.
GoMimic
GoMimic organises around a client.
Who maintains the client's voice
ChatGPT
In ChatGPT, you do — you write the description, you keep it current, you notice when the output drifts.
GoMimic
In GoMimic the voice is learned from the client's real posts and updated as they publish. Each new piece of their writing sharpens it.
What happens at fifteen clients
ChatGPT
ChatGPT scales by adding projects; each one is a thing you set up and maintain.
GoMimic
GoMimic's structure assumes many clients from the start — a shared list, a switcher, one calendar across all of them.
What happens after the draft
ChatGPT
ChatGPT produces text into a chat window.
GoMimic
GoMimic produces assets attached to a client, which can be sent to that client for approval without them creating an account, scheduled on a calendar, and rolled into a report at the end of the month.
How work leaves the tool
ChatGPT
From ChatGPT, by copying.
GoMimic
From GoMimic, by copying, by webhook into whatever the agency already uses, or into a Google Doc in the client's own Drive folder.
When ChatGPT is the better choice
If you manage one or two clients, or you want one subscription that also writes your proposals, debugs your spreadsheet formulas and drafts your emails, ChatGPT is the better value and it isn't close. GoMimic does one job. If that job isn't currently costing you hours, you don't need it.
Pricing shape
ChatGPT is priced per person. GoMimic is priced per agency: the same monthly figure whether you run three clients or thirty, with no per-seat charge.
Current published pricing for both is on our pricing page and OpenAI's. Check both — they change.
Questions
Doesn't ChatGPT remember with Projects?
It does. The question is who keeps that memory accurate. A project holds what you put in it, so a client's voice is as good as the description you wrote and how recently you updated it. GoMimic derives the voice from what the client actually publishes, so it updates itself.
Is the writing better?
That's not the claim. The difference is that GoMimic starts from a client profile built out of their real writing, so you don't spend the first part of every session recreating context.
Can I use both?
Most agencies do. ChatGPT for the thinking, GoMimic for the repeated distribution work across a roster.