Comparison
Best AI for writing in 2026 (comparison)
For AI writing, ChatGPT and Claude are the most versatile; Jasper targets marketing at scale, Grammarly real-time proofreading. Our everyday pick: Claude for nuanced prose, ChatGPT for versatility. Full comparison below.
Writing with AI saves serious time on the first draft, rephrasing and proofreading — without replacing your voice or the editorial work. The right tool depends on your use: long-form prose, marketing content, correction or paraphrasing.
Here's our ranked pick, each with its strength, its price and a link to the full review.
Our pick of the best AI for writing
- 1
ChatGPTTop pickThe all-round AI assistant that started the wave.
Pricing: Free · Plus $20/mo · Pro $100/200Read the review - 2
ClaudeTop pickThe assistant that shines at long-form writing and reasoning.
Pricing: Free · $20/mo (Pro)Read the review - 3
JasperRecommendedThe content marketing platform built for brands.
Pricing: From $39/moRead the review - 4
GrammarlyRecommendedWrite right, everywhere: grammar, style and generative AI.
Pricing: Free · $12/moRead the review - 5
WritesonicRecommendedThe marketing content factory, with SEO built in.
Pricing: Free · $16/moRead the review - 6
Copy.aiRecommendedFrom copywriting to automated marketing workflows.
Pricing: Free · $49/moRead the review - 7
QuillBotSolid
Paraphrase, fix and summarize text in a click.
Pricing: Free · Premium $8.33/mo (annual)Read the review - 8
SudowriteRecommendedThe AI writing assistant built for novelists and fiction.
Pricing: Paid plans — see SudowriteRead the review
Comparison table
| Tool | Pricing | Level | Verdict |
|---|---|---|---|
| ChatGPT | Free · Plus $20/mo · Pro $100/200 | Beginner | Top pick |
| Claude | Free · $20/mo (Pro) | Beginner | Top pick |
| Jasper | From $39/mo | Pro | Recommended |
| Grammarly | Free · $12/mo | Beginner | Recommended |
| Writesonic | Free · $16/mo | Beginner | Recommended |
| Copy.ai | Free · $49/mo | Beginner | Recommended |
| QuillBot | Free · Premium $8.33/mo (annual) | Beginner | Solid |
| Sudowrite | Paid plans — see Sudowrite | Beginner | Recommended |
How to choose an AI for writing?
- Prose quality: for nuanced text, favour Claude or ChatGPT.
- Marketing at scale: Jasper and Copy.ai spin a campaign into dozens of variants.
- Correction and style: Grammarly fixes in real time across your apps.
- Budget: ChatGPT, Claude and Writesonic offer a generous free tier.
Frequently asked questions
- What's the best free AI for writing?
- ChatGPT and Claude have generous free tiers; Writesonic also offers a real free mode for marketing content.
- Can an AI writer replace a writer?
- No: it speeds up drafting and editing, but the angle, fact-checking and voice stay human.
- Which AI to paraphrase and avoid plagiarism?
- QuillBot specialises in rephrasing and summarising; Grammarly adds a plagiarism checker on paid plans.