Best AI Writing Tools

Writing tools differ mostly in workflow, not raw output quality. Pick by how you actually draft: marketing campaigns, everyday grammar, or paraphrasing.

By Michael · Updated 31 August 2026

How we compare these tools

  • Drafting workflow
  • Editing controls
  • Brand voice
  • Value of the free tier

Positions reflect published information and listing data, not hands-on testing. Where a listing is featured or uses an affiliate link, that is labelled on the tool page.

Comparison table

ToolBest forPricingFree planScore
JasperMarketing teamsFree TrialNo4.2
GrammarlyWritersFreemiumYes4.6
QuillBotStudentsFreemiumYes4.3

The picks

Jasper logo

1. Jasper

AI writing platform for marketing teams focused on on-brand content, campaigns and SEO.

4.2(0)Free Trial
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Where it fits

Jasper is an AI writing platform aimed at marketing teams. It supports on-brand content generation, campaign workflows, SEO guidance and reusable brand voice settings, with templates for ads, emails, blog posts and landing pages. It offers a free trial rather than a permanent free plan.

Watch out for

No permanent free plan

2. Grammarly

Writing assistant for grammar, clarity, tone and spelling with AI-powered drafting and rewriting.

4.6(0)Freemium
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Where it fits

Grammarly is a writing assistant that checks grammar, spelling, clarity and tone, and offers AI-powered drafting, rewriting and idea generation. It works across a web editor, desktop apps, mobile keyboards and browser extensions. A free tier covers basic corrections with paid plans for advanced suggestions and generative AI.

Watch out for

Advanced suggestions need paid plan

QuillBot logo

3. QuillBot

AI writing tools for paraphrasing, summarising, grammar checking and translation.

4.3(0)Freemium
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Where it fits

QuillBot is an AI writing tool focused on paraphrasing, summarising, grammar checking and translation. It is popular with students and writers for rewording and condensing text, with a free tier covering limited usage and a paid plan for longer inputs and all modes.

Watch out for

Free tier has word limits

Frequently Asked Questions

Jasper is built around campaigns and brand voice, which suits marketing teams producing multiple assets from one brief. Grammarly is better for everyday editing, and QuillBot for paraphrasing and summarising.

Yes. Grammarly and QuillBot both have free tiers that cover everyday corrections and paraphrasing. The free plans have limits, but they are usable without a card.

No. These tools speed up drafting and catch surface errors, but a human editor still handles judgement, tone, accuracy and brand fit. Treat them as a first-draft and proofreading aid, not a final check.

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