We compared the most popular AI writing tools on price, features, and what each does best. Here's our shortlist — plus a set of free tools you can use right now with no signup.
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1. Grammarly — Grammar & everyday writing
The most widely used writing assistant in the world. Grammarly checks grammar, spelling, clarity, and tone in real time across your browser, email, and docs. The free plan is genuinely useful, and Premium adds rewrites and tone controls. If you want one tool running everywhere you type, start here.
- Excellent free plan
- Works everywhere (browser, email, Word)
- Real-time suggestions
Установить Grammarly →2. QuillBot — Paraphrasing & rewording
The go-to paraphrasing tool, with modes that range from light polishing to full rewrites. It also bundles a grammar checker, summarizer, and citation tools. Students and writers love it for rephrasing text quickly without losing meaning. The free tier is limited by word count but great for testing.
- Best-in-class paraphraser
- Multiple rewrite modes
- Includes summarizer & grammar tools
Попробовать QuillBot →3. Jasper AI — Long-form & marketing content
Built for teams and marketers who produce a lot of content — blog posts, ads, landing pages, and brand-consistent copy at scale. Jasper has templates, a brand voice feature, and a document editor. It is pricier and aimed at professionals, but for serious content output it is one of the strongest.
- Great for scaling content
- Brand voice & templates
- Strong long-form editor
Попробовать Jasper →4. Writesonic — Affordable all-round AI writer
A well-rounded AI writer that covers articles, social posts, product descriptions, and ads at a friendlier price than Jasper. Good balance of quality and cost for freelancers and small businesses who want one flexible tool without a big monthly bill.
- Cheaper than most rivals
- Covers many content types
- Good for freelancers & SMBs
Открыть Writesonic →5. Undetectable AI — Humanizing AI text
Specialised in rewriting AI-generated text so it reads naturally and gets past AI detectors. If you work with a lot of AI drafts and need them to sound human, this is the dedicated tool for it. Pairs well with our free humanizer for quick jobs.
- Focused on AI humanizing
- Reduces AI-detection flags
- Simple, fast workflow
Открыть Undetectable AI →Frequently asked questions
What is the best AI writing tool overall?
It depends on your goal. Grammarly is best for everyday grammar and polish, QuillBot for paraphrasing, and Jasper or Writesonic for producing long-form and marketing content. For quick one-off jobs, our free tools cover most needs with no signup.
Are there free AI writing tools?
Yes. Grammarly and QuillBot have solid free plans, and Wordloom offers a full set of free AI writing tools with no signup — humanizer, paraphraser, summarizer, grammar checker, and more.
Which AI writing tool is cheapest?
Among the paid tools, QuillBot and Writesonic are usually the most affordable, while Jasper is aimed at professional and team use at a higher price point. Always check each site for current pricing.
Do these tools work for students?
QuillBot and Grammarly are especially popular with students for paraphrasing and proofreading. Use AI writing tools to draft and improve, but always review and write the final work in your own voice.