All three are competent general assistants. The differences that decide the choice are cost, where your files already live, and how much rewriting the output needs.
Short answer
Choose Gemini if your work already lives in Google Workspace and you want the cheapest entry point. Choose Claude for long documents and writing you will send to a client. Choose ChatGPT if you want the widest ecosystem and the most flexible general tool. All three have free tiers good enough to decide with.
Side by side
| Feature | ChatGPT | Claude | Google Gemini |
|---|---|---|---|
| Best for | Anyone who needs one flexible assistant rather than a specialist tool | Long documents, careful drafting and analysis work | Teams already living inside Google Workspace |
| Pricing | Free plan; Plus $20/mo; higher tiers above that | Free plan; Pro $20/mo ($17/mo billed annually); Max from $100/mo | Free tier; Google AI Plus $4.99/mo; AI Pro $19.99/mo; AI Ultra from $99.99/mo |
| Free plan | Yes | Yes | Yes |
| Free trial | No | No | No |
| API | Yes | Yes | Yes |
| Automation | Yes | Yes | Yes |
| Integrations | OpenAI API, Zapier, Make, browser extensions | Anthropic API, Zapier, Make, desktop and browser tools | Gmail, Google Docs, Sheets, Drive, Meet, Google Cloud |
| Facts checked | 28 August 2026 | 28 August 2026 | 28 August 2026 |
| Go to tool | Try tool | Try tool | Try tool |
Where each one is strongest
ChatGPT
The most generally capable across mixed work, and the largest ecosystem of integrations. Custom GPTs are genuinely useful for a task you repeat weekly.
Claude
Long documents and careful writing. If your day involves reading contracts, reports or long drafts, this is usually the least frustrating option.
Google Gemini
Integration with Gmail, Docs, Sheets and Drive removes the copy-paste step that eats most of the time saving, and Google AI Plus is the cheapest paid entry point of the three.
How to choose in ten minutes
- Take a real task from this week — a document to write, a file to analyse.
- Run it through all three free tiers.
- Count how much of each output you would have to rewrite.
- Pick the one with the least rewriting, not the one with the best demo.
Frequently asked questions
Which is best for business use?
For most small businesses, whichever integrates with where your files already are. The raw capability gap between the three is smaller than the friction gap.
Can I use the free versions for real work?
Yes, with limits on usage volume and access to the newest models. The free tiers are enough to decide whether to pay.
Do I need more than one?
Most people do not. Two subscriptions is usually a sign you have not decided what you are using them for.