The night before sending an invoice, I stopped with my cursor in the sender field. Should clients keep seeing an @gmail.com address, or was it time for one on my own domain? In the same breath came a second thought: maybe I should fold my Gemini subscription into Workspace while I was at it.
As an indie developer running wallpaper apps, I care about which address appears on store support replies, so the question is not abstract for me. If you work alone, you will probably spend an evening with the Google AI Pro and Workspace Business pricing pages open side by side. Both tables are long, and the longer you stare, the harder it gets to decide. What I want to say first is that these two are not products on the same shelf. Once you compare them on the right axis, the answer arrives faster than you would expect.
First, separate what each plan actually is
Google AI Pro is tied to a personal Google account. You are buying AI rights: model usage limits, storage, and Gemini inside apps like Gmail and Docs.
Workspace Business is built for organizations with their own domain. You are buying the foundation of the work itself — email addresses, an admin console, shared drives — and Gemini rides along on top.
Here are the essentials from the official pricing pages. The prices come from pages shown in US dollars and will shift with exchange rates, tax, and promotions, so check the live page before you sign up.
| Plan | Monthly price (per user) | Custom-domain email | Where Gemini reaches |
|---|---|---|---|
| Google AI Pro | $19.99 | Not mentioned | Gmail, Docs, Vids and more; usage limits 4x the free tier |
| Workspace Business Starter | $7 (excl. tax) | Yes | Gmail and chat with Gemini only; Docs, Sheets and Slides are excluded |
| Workspace Business Standard | $14 (excl. tax) | Yes | Gemini assistant in Gmail, Docs, Meet and more |
The Starter row is the easy one to miss. You get custom-domain email, but Gemini inside Docs and Sheets is listed as not included. Reading only the headline price, it is easy to pick Starter "to get Gemini cheaply" and then find the button missing in the very app you wanted it in.
Split the dilemma into three questions
When I compare plans, I write out how a normal working day flows instead of reading feature lists. Then I keep only three questions.
Do clients need to see a sender address on your own domain? If yes, the AI Pro page says nothing about custom domains, so Workspace is the candidate. If no, this question ends here.
Where do you call Gemini from? For email drafts alone, Starter is enough. If you outline proposals in Docs and tidy numbers in Sheets several times a week, you need Standard or above.
How much do you run it each day? AI Pro offers four times the free usage limits, plus credits for newer models and image or video tools. If you feed in long documents or generate video, the size of that ceiling is what decides it.
Your three answers usually land in one of these rows.
| Your work | Plan that fits | Why |
|---|---|---|
| Mostly email with clients, own-domain sender wanted, Gemini for drafts | Workspace Starter | Cheapest route to a custom domain, but no Gemini in Docs or Sheets |
| Own domain needed, Gemini used daily in Docs and Sheets | Workspace Standard | One bill covers both, with much more storage |
| @gmail.com sender is fine, heavy and long Gemini sessions | Google AI Pro | Higher limits and bundled credits |
Paying for both is also an option
You do not have to choose one. You can keep the domain foundation in Workspace and run the heavy generation work from a personal account on AI Pro.
The total passes $30 a month, though, and "both, just in case" is the kind of choice where one subscription quietly goes unused while the bill keeps coming. My rule is to count where I actually called Gemini over one month, and drop the one I did not touch.
One caution: AI Pro on your personal account does not make Gemini appear in a work Workspace account if Gemini is not enabled there. When you mix account types, check which account you are signed into first.
Before you click subscribe
The discount period on the Workspace page looked inconsistent between the headline and the footnote when I read it. Do not let a promotion make the decision; ask whether you would be comfortable paying list price month after month.
Before opening the checkout screen, write down three lines:
- Do I need a sender address on my own domain? (yes/no)
- Where do I call Gemini? (Gmail / Docs / Sheets / chat only)
- Roughly how many hours a day do I use it?
Once those are filled in, the matching row in the table above tends to be obvious. Try one plan for a single month, count how you used it, and decide the next month from the count. That order is the one thing I plan to keep following.