AI Writing Tools
Short answer
AI writing tools range from correction tools (Grammarly, QuillBot) to drafting platforms for marketing (Jasper, Copy.ai, Writesonic) and specialist assistants for academic papers (Paperpal). General assistants such as Claude and ChatGPT now draft well too, so a dedicated writing tool earns its place through workflow: brand voice controls, templates, team review or discipline-specific checks. Plan prices were last checked in June 2026 and are being re-verified.
What this category covers: Improving and drafting text. For SEO briefs see SEO.
AI Writing Tools compared
| Tool | What it does | Pricing model | Status | Last checked |
|---|---|---|---|---|
| QuillBot | A paraphrasing and writing tool with grammar checking, summarising, citation generation and an AI-content detector. | Free plan available | Active | 2 June 2026 |
| Grammarly | A writing assistant that checks grammar, clarity and tone and adds generative AI drafting across apps. | Free plan available | Active | 2 June 2026 |
| Copy.ai | An AI platform for go-to-market teams that drafts marketing copy and runs sales and marketing workflows. | Free trial | Active | 2 June 2026 |
| Writesonic | An AI writing platform for long-form articles and marketing content, with SEO features. | Free trial | Active | 2 June 2026 |
| Paperpal | An academic writing assistant that checks language, structure and submission readiness for research papers. | Free trial | Active | 2 June 2026 |
All tools in this category
QuillBot
A paraphrasing and writing tool with grammar checking, summarising, citation generation and an AI-content detector.
Grammarly
A writing assistant that checks grammar, clarity and tone and adds generative AI drafting across apps.
Copy.ai
An AI platform for go-to-market teams that drafts marketing copy and runs sales and marketing workflows.
Writesonic
An AI writing platform for long-form articles and marketing content, with SEO features.
Paperpal
An academic writing assistant that checks language, structure and submission readiness for research papers.
How to choose
Evidence: Editorial assessmentCorrecting or drafting?
If you mostly write yourself and want cleaner text, a correction tool that works in your browser and documents is enough. If you need many drafts quickly, such as product descriptions or ad variants, a drafting platform with templates and brand voice saves time.
Where the tool works
Browser extensions and add-ins for Word or Google Docs matter more than features for daily use. Check that the tool works where you write, including email.
Academic and regulated writing
For research papers, specialist tools check structure and journal requirements. For any factual writing, AI drafts can contain errors and invented citations: verify every claim and reference yourself.
Team features and data use
Marketing teams should compare brand voice, approvals and shared style guides. Check whether your text is used for model training and whether business plans let you opt out.
What changed in this update
- Removed unsourced ratings and review counts.
- Added an editorial buyer's guide and FAQ.
Common questions
Is Grammarly or QuillBot better?
Grammarly focuses on correctness, clarity and tone across apps. QuillBot focuses on paraphrasing and summarising, with grammar checking added. Try both free plans on your own writing.
Do I need a writing tool if I use ChatGPT or Claude?
Not always. General assistants draft well. Dedicated tools add in-app corrections, templates, brand voice and team workflows.
Can AI writing tools invent citations?
Yes. Language models can produce references that do not exist. Check every citation against the original source before submitting work.
Are prices shown?
Not for this category yet: prices were last checked in June 2026 and are being re-verified on official pages.