Best AI for writing
What is the best AI for writing?
Claude is the best AI for writing for most people: its prose sounds natural and it handles long drafts and feedback well. ChatGPT is the most versatile all-rounder for emails, posts and brainstorming, and Gemini is handy if you write in Google Docs. All three have free plans to try first.
Our shortlist
1. Claude – best overall for writing
Free plan; known for natural-sounding, careful writing and long documents. Pro is US$20/month (US$17/month annually).
Free plan: Free plan on web, desktop and mobile, with web search, memory and file creation; usage limits reset every five hours. Full Claude profile →
2. ChatGPT – best all-rounder
Free plan covers emails, posts, stories and editing; can also create images to go with your writing.
Free plan: Free plan: everyday text chats with fair-use limits, plus limited uploads, image creation, voice and deep research. Full ChatGPT profile →
3. Gemini – best for google docs users
Free with a Google account; Paid Google AI plans add Gemini inside Gmail, and Google AI Pro adds it in Docs.
Free plan: Free with a Google account, including Deep Research, Gemini Live and image generation, with lower usage limits. Full Gemini profile →
Try it now: step-by-step guides
Each guide has a copy-and-paste prompt you can use with any of the tools above.
Write a tricky work email
Rough guide only: 20–40 minutes
🎨 Creativity & hobbiesWrite a wedding or best-man speech
Rough guide only: 1–2 hours
🎨 Creativity & hobbiesWrite a heartfelt card message
Rough guide only: 5 minutes
🎨 Creativity & hobbiesWrite song lyrics or a poem
Rough guide only: 1–2 hours
🎨 Creativity & hobbiesPlan and outline a book
Rough guide only: several evenings of planning
💼 Work & careerWrite a formal letter
Rough guide only: 30–60 minutes
📘 Get 20 ready-made prompts for writing and more
20 copy-and-paste prompts for everyday life, as a free PDF – plus one friendly AI tip a week. Unsubscribe any time.
We'll only use your email to send you the pack and our tips. No spam.
Things to watch out for
- Check facts – AI can invent quotes and figures.
- Don't paste confidential work documents into personal accounts.
- Don't paste passwords, bank details or other people's private information into any AI tool.
How we chose
These are editorial picks by Amara Lewis, based on what each tool's free and paid plans include, how easy it is for a beginner, and how well it suits this task. We have not run formal benchmark tests for this page, and no company paid to be listed. Read how we review.
Frequently asked questions
Which AI writes most like a human?
Opinions vary, but many people find Claude's default style the most natural. Whatever you use, edit the draft so it sounds like you.
Can I use AI writing for work?
Usually, but check your employer's policy and never paste confidential information.
Is AI writing detectable?
Detectors are unreliable. Focus on being accurate and sounding like yourself.
Not sure where to start?
Take our 60-second quiz to get a personal AI starter kit for your life.