ChatGPT vs Gemini

Both are capable general assistants with free plans, and for everyday writing either will do. Choose Gemini if your business runs on Gmail, Google Docs and Drive, because its paid plans put it inside those apps. Choose ChatGPT if you want the widest set of standalone features, such as plugins for many tools and building simple sites. Many owners try both on the same task.

The short version

ChatGPT is made by OpenAI. Gemini is made by Google. Both write, summarise, read files, create images, search the web, hold voice conversations and run longer research. The difference is less about raw ability and more about where each one fits into the tools you already use.

Side by side

Where Gemini fits better

If your email, documents and calendar are already in Google, Gemini has a home advantage. Google’s paid AI plans add Gemini to Gmail, Docs and other Google apps, and Google Workspace business plans include the Gemini app with company data that Google says is not used to train its models. Personal paid plans also bundle extra Google storage, which some owners already pay for.

Where ChatGPT fits better

ChatGPT has a broad set of features in one place: plugins that connect to many work tools, projects and scheduled tasks, custom GPTs, Office extensions, and on some paid plans, Sites for building and sharing a simple website or app. If your business runs on Microsoft 365 or a mix of tools, it is a flexible choice.

Where Kahu fitsKahu AssistKahu Assist is an AI agent that runs your website, marketing, bookings and follow-ups from one chat, and asks before anything goes live. You keep the yes; it does the typing.Connects to your site, WhatsApp, calendar and emailAsks before anything goes liveSet up from one 15-minute chatSee Kahu Assist →Fill Thursday’s empty slots and let the cafe know the new brunch hours.Kahu · 3 actions readyTwo Thursday gaps at 11:00 and 14:30. Drafted messages to 6 waitlisted customers.Updated the hours on your site and Google profile to Sat–Sun 8–2.One post about the new hours, using your Sunday counter photo.ChangeApprove all

How to choose in a week

1. 1Pick three real tasksA customer reply, a social post and a summary of a long document.
2. 2Give both the same briefPaste the same facts and instructions into each, on their free plans.
3. 3Compare the draftsWhich needed fewer edits? Which sounded more like you?
4. 4Check the fitWhich one sits closer to where you work all day? That usually decides it.

Privacy in both

On personal plans, both can use your chats to improve their services unless you change the setting. In ChatGPT you can opt out of training in settings. In Gemini, the Keep Activity setting controls this, and Google says some chats are read by human reviewers, so it advises not to enter confidential information. Business plans from both companies say company data is not used for training by default.

Frequently asked questions