Claude, ChatGPT, Gemini: which one for what?

All three do the same basic job: they understand what you type, reply in writing, read files and can search the web. All three have a free plan and a phone app. The differences are in where each one stands out. We don't score them here, because the answer depends on the work you do.

Last checked: October 2026. These tools change every few months. Check each tool's own pages for features and plans.

Claude

Anthropic's assistant.

• Where it stands out: writing and long documents. It writes in a natural voice and adapts well to the style you give it; it's strong at reading a long report, a contract or several documents together and pulling them into shape.
• Code: widely used by software developers; it also has a version that works with the files on your computer.
• Where it falls short: it doesn't create images. It can read and interpret images, but doesn't generate photos or illustrations.

ChatGPT

OpenAI's assistant, and the most widely used.

• Where it stands out: versatility. It offers writing, image generation, voice conversation and file analysis together in one place.
• Images: it creates and edits images inside the chat; handy when you need a quick visual for social media or a presentation.
• Voice: its voice mode is well developed for people who prefer to talk.

Gemini

Google's assistant.

• Where it stands out: its connection to Google. If you use Gmail, Google Drive, Docs and Calendar, it works inside or alongside those services.
• Images and video: it generates images and is strong at reading different kinds of content such as photos, video and audio.
• Research: its research feature, which scans a topic in depth on the web and prepares a sourced report, stands out.

Which one for which job?

• Proposals, emails, marketing copy, reading long documents: Claude.
• When you need a quick image along with the text: ChatGPT or Gemini.
• If your work runs on Gmail and Google Drive: Gemini.
• If you'd rather talk than type: ChatGPT.

How to choose

The best way is to try. Give all three the same request for a task you do every week (an email, a product description, a document summary) and put the results side by side. Whichever you keep returning to after a week is your answer. We cover how to write that request in how to write a good prompt.